1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright (c) 2011, 2015 by Delphix. All rights reserved.
25 * Copyright (c) 2012 by Frederik Wessels. All rights reserved.
26 * Copyright (c) 2012 Martin Matuska <mm@FreeBSD.org>. All rights reserved.
27 * Copyright (c) 2013 by Prasad Joshi (sTec). All rights reserved.
28 * Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com>.
29 * Copyright 2016 Nexenta Systems, Inc.
30 */
31
32 #include <solaris.h>
33 #include <assert.h>
34 #include <ctype.h>
35 #include <dirent.h>
36 #include <errno.h>
37 #include <fcntl.h>
38 #include <libgen.h>
39 #include <libintl.h>
40 #include <libuutil.h>
41 #include <locale.h>
42 #include <stdio.h>
43 #include <stdlib.h>
44 #include <string.h>
45 #include <strings.h>
46 #include <unistd.h>
47 #include <priv.h>
48 #include <pwd.h>
49 #include <zone.h>
50 #include <sys/time.h>
51 #include <zfs_prop.h>
52 #include <sys/fs/zfs.h>
53 #include <sys/stat.h>
54
55 #include <libzfs.h>
56
57 #include "zpool_util.h"
58 #include "zfs_comutil.h"
59 #include "zfeature_common.h"
60
61 #include "statcommon.h"
62
63 static int zpool_do_create(int, char **);
64 static int zpool_do_destroy(int, char **);
65
66 static int zpool_do_add(int, char **);
67 static int zpool_do_remove(int, char **);
68 static int zpool_do_labelclear(int, char **);
69
70 static int zpool_do_list(int, char **);
71 static int zpool_do_iostat(int, char **);
72 static int zpool_do_status(int, char **);
73
74 static int zpool_do_online(int, char **);
75 static int zpool_do_offline(int, char **);
76 static int zpool_do_clear(int, char **);
77 static int zpool_do_reopen(int, char **);
78
79 static int zpool_do_reguid(int, char **);
80
81 static int zpool_do_attach(int, char **);
82 static int zpool_do_detach(int, char **);
83 static int zpool_do_replace(int, char **);
84 static int zpool_do_split(int, char **);
85
86 static int zpool_do_scrub(int, char **);
87
88 static int zpool_do_import(int, char **);
89 static int zpool_do_export(int, char **);
90
91 static int zpool_do_upgrade(int, char **);
92
93 static int zpool_do_history(int, char **);
94
95 static int zpool_do_get(int, char **);
96 static int zpool_do_set(int, char **);
97
98 /*
99 * These libumem hooks provide a reasonable set of defaults for the allocator's
100 * debugging facilities.
101 */
102
103 #ifdef DEBUG
104 const char *
_umem_debug_init(void)105 _umem_debug_init(void)
106 {
107 return ("default,verbose"); /* $UMEM_DEBUG setting */
108 }
109
110 const char *
_umem_logging_init(void)111 _umem_logging_init(void)
112 {
113 return ("fail,contents"); /* $UMEM_LOGGING setting */
114 }
115 #endif
116
117 typedef enum {
118 HELP_ADD,
119 HELP_ATTACH,
120 HELP_CLEAR,
121 HELP_CREATE,
122 HELP_DESTROY,
123 HELP_DETACH,
124 HELP_EXPORT,
125 HELP_HISTORY,
126 HELP_IMPORT,
127 HELP_IOSTAT,
128 HELP_LABELCLEAR,
129 HELP_LIST,
130 HELP_OFFLINE,
131 HELP_ONLINE,
132 HELP_REPLACE,
133 HELP_REMOVE,
134 HELP_SCRUB,
135 HELP_STATUS,
136 HELP_UPGRADE,
137 HELP_GET,
138 HELP_SET,
139 HELP_SPLIT,
140 HELP_REGUID,
141 HELP_REOPEN
142 } zpool_help_t;
143
144
145 typedef struct zpool_command {
146 const char *name;
147 int (*func)(int, char **);
148 zpool_help_t usage;
149 } zpool_command_t;
150
151 /*
152 * Master command table. Each ZFS command has a name, associated function, and
153 * usage message. The usage messages need to be internationalized, so we have
154 * to have a function to return the usage message based on a command index.
155 *
156 * These commands are organized according to how they are displayed in the usage
157 * message. An empty command (one with a NULL name) indicates an empty line in
158 * the generic usage message.
159 */
160 static zpool_command_t command_table[] = {
161 { "create", zpool_do_create, HELP_CREATE },
162 { "destroy", zpool_do_destroy, HELP_DESTROY },
163 { NULL },
164 { "add", zpool_do_add, HELP_ADD },
165 { "remove", zpool_do_remove, HELP_REMOVE },
166 { NULL },
167 { "labelclear", zpool_do_labelclear, HELP_LABELCLEAR },
168 { NULL },
169 { "list", zpool_do_list, HELP_LIST },
170 { "iostat", zpool_do_iostat, HELP_IOSTAT },
171 { "status", zpool_do_status, HELP_STATUS },
172 { NULL },
173 { "online", zpool_do_online, HELP_ONLINE },
174 { "offline", zpool_do_offline, HELP_OFFLINE },
175 { "clear", zpool_do_clear, HELP_CLEAR },
176 { "reopen", zpool_do_reopen, HELP_REOPEN },
177 { NULL },
178 { "attach", zpool_do_attach, HELP_ATTACH },
179 { "detach", zpool_do_detach, HELP_DETACH },
180 { "replace", zpool_do_replace, HELP_REPLACE },
181 { "split", zpool_do_split, HELP_SPLIT },
182 { NULL },
183 { "scrub", zpool_do_scrub, HELP_SCRUB },
184 { NULL },
185 { "import", zpool_do_import, HELP_IMPORT },
186 { "export", zpool_do_export, HELP_EXPORT },
187 { "upgrade", zpool_do_upgrade, HELP_UPGRADE },
188 { "reguid", zpool_do_reguid, HELP_REGUID },
189 { NULL },
190 { "history", zpool_do_history, HELP_HISTORY },
191 { "get", zpool_do_get, HELP_GET },
192 { "set", zpool_do_set, HELP_SET },
193 };
194
195 #define NCOMMAND (sizeof (command_table) / sizeof (command_table[0]))
196
197 static zpool_command_t *current_command;
198 static char history_str[HIS_MAX_RECORD_LEN];
199 static boolean_t log_history = B_TRUE;
200 static uint_t timestamp_fmt = NODATE;
201
202 static const char *
get_usage(zpool_help_t idx)203 get_usage(zpool_help_t idx)
204 {
205 switch (idx) {
206 case HELP_ADD:
207 return (gettext("\tadd [-fn] <pool> <vdev> ...\n"));
208 case HELP_ATTACH:
209 return (gettext("\tattach [-f] <pool> <device> "
210 "<new-device>\n"));
211 case HELP_CLEAR:
212 return (gettext("\tclear [-nF] <pool> [device]\n"));
213 case HELP_CREATE:
214 return (gettext("\tcreate [-fnd] [-o property=value] ... \n"
215 "\t [-O file-system-property=value] ... \n"
216 "\t [-m mountpoint] [-R root] <pool> <vdev> ...\n"));
217 case HELP_DESTROY:
218 return (gettext("\tdestroy [-f] <pool>\n"));
219 case HELP_DETACH:
220 return (gettext("\tdetach <pool> <device>\n"));
221 case HELP_EXPORT:
222 return (gettext("\texport [-f] <pool> ...\n"));
223 case HELP_HISTORY:
224 return (gettext("\thistory [-il] [<pool>] ...\n"));
225 case HELP_IMPORT:
226 return (gettext("\timport [-d dir] [-D]\n"
227 "\timport [-d dir | -c cachefile] [-F [-n]] <pool | id>\n"
228 "\timport [-o mntopts] [-o property=value] ... \n"
229 "\t [-d dir | -c cachefile] [-D] [-f] [-m] [-N] "
230 "[-R root] [-F [-n]] -a\n"
231 "\timport [-o mntopts] [-o property=value] ... \n"
232 "\t [-d dir | -c cachefile] [-D] [-f] [-m] [-N] "
233 "[-R root] [-F [-n]]\n"
234 "\t <pool | id> [newpool]\n"));
235 case HELP_IOSTAT:
236 return (gettext("\tiostat [-v] [-T d|u] [pool] ... [interval "
237 "[count]]\n"));
238 case HELP_LABELCLEAR:
239 return (gettext("\tlabelclear [-f] <vdev>\n"));
240 case HELP_LIST:
241 return (gettext("\tlist [-Hpv] [-o property[,...]] "
242 "[-T d|u] [pool] ... [interval [count]]\n"));
243 case HELP_OFFLINE:
244 return (gettext("\toffline [-t] <pool> <device> ...\n"));
245 case HELP_ONLINE:
246 return (gettext("\tonline [-e] <pool> <device> ...\n"));
247 case HELP_REPLACE:
248 return (gettext("\treplace [-f] <pool> <device> "
249 "[new-device]\n"));
250 case HELP_REMOVE:
251 return (gettext("\tremove <pool> <device> ...\n"));
252 case HELP_REOPEN:
253 return (gettext("\treopen <pool>\n"));
254 case HELP_SCRUB:
255 return (gettext("\tscrub [-s] <pool> ...\n"));
256 case HELP_STATUS:
257 return (gettext("\tstatus [-vx] [-T d|u] [pool] ... [interval "
258 "[count]]\n"));
259 case HELP_UPGRADE:
260 return (gettext("\tupgrade [-v]\n"
261 "\tupgrade [-V version] <-a | pool ...>\n"));
262 case HELP_GET:
263 return (gettext("\tget [-Hp] [-o \"all\" | field[,...]] "
264 "<\"all\" | property[,...]> <pool> ...\n"));
265 case HELP_SET:
266 return (gettext("\tset <property=value> <pool> \n"));
267 case HELP_SPLIT:
268 return (gettext("\tsplit [-n] [-R altroot] [-o mntopts]\n"
269 "\t [-o property=value] <pool> <newpool> "
270 "[<device> ...]\n"));
271 case HELP_REGUID:
272 return (gettext("\treguid <pool>\n"));
273 }
274
275 abort();
276 /* NOTREACHED */
277 }
278
279
280 /*
281 * Callback routine that will print out a pool property value.
282 */
283 static int
print_prop_cb(int prop,void * cb)284 print_prop_cb(int prop, void *cb)
285 {
286 FILE *fp = cb;
287
288 (void) fprintf(fp, "\t%-15s ", zpool_prop_to_name(prop));
289
290 if (zpool_prop_readonly(prop))
291 (void) fprintf(fp, " NO ");
292 else
293 (void) fprintf(fp, " YES ");
294
295 if (zpool_prop_values(prop) == NULL)
296 (void) fprintf(fp, "-\n");
297 else
298 (void) fprintf(fp, "%s\n", zpool_prop_values(prop));
299
300 return (ZPROP_CONT);
301 }
302
303 /*
304 * Display usage message. If we're inside a command, display only the usage for
305 * that command. Otherwise, iterate over the entire command table and display
306 * a complete usage message.
307 */
308 void
usage(boolean_t requested)309 usage(boolean_t requested)
310 {
311 FILE *fp = requested ? stdout : stderr;
312
313 if (current_command == NULL) {
314 int i;
315
316 (void) fprintf(fp, gettext("usage: zpool command args ...\n"));
317 (void) fprintf(fp,
318 gettext("where 'command' is one of the following:\n\n"));
319
320 for (i = 0; i < NCOMMAND; i++) {
321 if (command_table[i].name == NULL)
322 (void) fprintf(fp, "\n");
323 else
324 (void) fprintf(fp, "%s",
325 get_usage(command_table[i].usage));
326 }
327 } else {
328 (void) fprintf(fp, gettext("usage:\n"));
329 (void) fprintf(fp, "%s", get_usage(current_command->usage));
330 }
331
332 if (current_command != NULL &&
333 ((strcmp(current_command->name, "set") == 0) ||
334 (strcmp(current_command->name, "get") == 0) ||
335 (strcmp(current_command->name, "list") == 0))) {
336
337 (void) fprintf(fp,
338 gettext("\nthe following properties are supported:\n"));
339
340 (void) fprintf(fp, "\n\t%-15s %s %s\n\n",
341 "PROPERTY", "EDIT", "VALUES");
342
343 /* Iterate over all properties */
344 (void) zprop_iter(print_prop_cb, fp, B_FALSE, B_TRUE,
345 ZFS_TYPE_POOL);
346
347 (void) fprintf(fp, "\t%-15s ", "feature@...");
348 (void) fprintf(fp, "YES disabled | enabled | active\n");
349
350 (void) fprintf(fp, gettext("\nThe feature@ properties must be "
351 "appended with a feature name.\nSee zpool-features(7).\n"));
352 }
353
354 /*
355 * See comments at end of main().
356 */
357 if (getenv("ZFS_ABORT") != NULL) {
358 (void) printf("dumping core by request\n");
359 abort();
360 }
361
362 exit(requested ? 0 : 2);
363 }
364
365 void
print_vdev_tree(zpool_handle_t * zhp,const char * name,nvlist_t * nv,int indent,boolean_t print_logs)366 print_vdev_tree(zpool_handle_t *zhp, const char *name, nvlist_t *nv, int indent,
367 boolean_t print_logs)
368 {
369 nvlist_t **child;
370 uint_t c, children;
371 char *vname;
372
373 if (name != NULL)
374 (void) printf("\t%*s%s\n", indent, "", name);
375
376 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
377 &child, &children) != 0)
378 return;
379
380 for (c = 0; c < children; c++) {
381 uint64_t is_log = B_FALSE;
382
383 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
384 &is_log);
385 if ((is_log && !print_logs) || (!is_log && print_logs))
386 continue;
387
388 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE);
389 print_vdev_tree(zhp, vname, child[c], indent + 2,
390 B_FALSE);
391 free(vname);
392 }
393 }
394
395 static boolean_t
prop_list_contains_feature(nvlist_t * proplist)396 prop_list_contains_feature(nvlist_t *proplist)
397 {
398 nvpair_t *nvp;
399 for (nvp = nvlist_next_nvpair(proplist, NULL); NULL != nvp;
400 nvp = nvlist_next_nvpair(proplist, nvp)) {
401 if (zpool_prop_feature(nvpair_name(nvp)))
402 return (B_TRUE);
403 }
404 return (B_FALSE);
405 }
406
407 /*
408 * Add a property pair (name, string-value) into a property nvlist.
409 */
410 static int
add_prop_list(const char * propname,char * propval,nvlist_t ** props,boolean_t poolprop)411 add_prop_list(const char *propname, char *propval, nvlist_t **props,
412 boolean_t poolprop)
413 {
414 zpool_prop_t prop = ZPROP_INVAL;
415 zfs_prop_t fprop;
416 nvlist_t *proplist;
417 const char *normnm;
418 char *strval;
419
420 if (*props == NULL &&
421 nvlist_alloc(props, NV_UNIQUE_NAME, 0) != 0) {
422 (void) fprintf(stderr,
423 gettext("internal error: out of memory\n"));
424 return (1);
425 }
426
427 proplist = *props;
428
429 if (poolprop) {
430 const char *vname = zpool_prop_to_name(ZPOOL_PROP_VERSION);
431
432 if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL &&
433 !zpool_prop_feature(propname)) {
434 (void) fprintf(stderr, gettext("property '%s' is "
435 "not a valid pool property\n"), propname);
436 return (2);
437 }
438
439 /*
440 * feature@ properties and version should not be specified
441 * at the same time.
442 */
443 if ((prop == ZPROP_INVAL && zpool_prop_feature(propname) &&
444 nvlist_exists(proplist, vname)) ||
445 (prop == ZPOOL_PROP_VERSION &&
446 prop_list_contains_feature(proplist))) {
447 (void) fprintf(stderr, gettext("'feature@' and "
448 "'version' properties cannot be specified "
449 "together\n"));
450 return (2);
451 }
452
453
454 if (zpool_prop_feature(propname))
455 normnm = propname;
456 else
457 normnm = zpool_prop_to_name(prop);
458 } else {
459 if ((fprop = zfs_name_to_prop(propname)) != ZPROP_INVAL) {
460 normnm = zfs_prop_to_name(fprop);
461 } else {
462 normnm = propname;
463 }
464 }
465
466 if (nvlist_lookup_string(proplist, normnm, &strval) == 0 &&
467 prop != ZPOOL_PROP_CACHEFILE) {
468 (void) fprintf(stderr, gettext("property '%s' "
469 "specified multiple times\n"), propname);
470 return (2);
471 }
472
473 if (nvlist_add_string(proplist, normnm, propval) != 0) {
474 (void) fprintf(stderr, gettext("internal "
475 "error: out of memory\n"));
476 return (1);
477 }
478
479 return (0);
480 }
481
482 /*
483 * zpool add [-fn] <pool> <vdev> ...
484 *
485 * -f Force addition of devices, even if they appear in use
486 * -n Do not add the devices, but display the resulting layout if
487 * they were to be added.
488 *
489 * Adds the given vdevs to 'pool'. As with create, the bulk of this work is
490 * handled by get_vdev_spec(), which constructs the nvlist needed to pass to
491 * libzfs.
492 */
493 int
zpool_do_add(int argc,char ** argv)494 zpool_do_add(int argc, char **argv)
495 {
496 boolean_t force = B_FALSE;
497 boolean_t dryrun = B_FALSE;
498 int c;
499 nvlist_t *nvroot;
500 char *poolname;
501 int ret;
502 zpool_handle_t *zhp;
503 nvlist_t *config;
504
505 /* check options */
506 while ((c = getopt(argc, argv, "fn")) != -1) {
507 switch (c) {
508 case 'f':
509 force = B_TRUE;
510 break;
511 case 'n':
512 dryrun = B_TRUE;
513 break;
514 case '?':
515 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
516 optopt);
517 usage(B_FALSE);
518 }
519 }
520
521 argc -= optind;
522 argv += optind;
523
524 /* get pool name and check number of arguments */
525 if (argc < 1) {
526 (void) fprintf(stderr, gettext("missing pool name argument\n"));
527 usage(B_FALSE);
528 }
529 if (argc < 2) {
530 (void) fprintf(stderr, gettext("missing vdev specification\n"));
531 usage(B_FALSE);
532 }
533
534 poolname = argv[0];
535
536 argc--;
537 argv++;
538
539 if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
540 return (1);
541
542 if ((config = zpool_get_config(zhp, NULL)) == NULL) {
543 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"),
544 poolname);
545 zpool_close(zhp);
546 return (1);
547 }
548
549 /* pass off to get_vdev_spec for processing */
550 nvroot = make_root_vdev(zhp, force, !force, B_FALSE, dryrun,
551 argc, argv);
552 if (nvroot == NULL) {
553 zpool_close(zhp);
554 return (1);
555 }
556
557 if (dryrun) {
558 nvlist_t *poolnvroot;
559
560 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
561 &poolnvroot) == 0);
562
563 (void) printf(gettext("would update '%s' to the following "
564 "configuration:\n"), zpool_get_name(zhp));
565
566 /* print original main pool and new tree */
567 print_vdev_tree(zhp, poolname, poolnvroot, 0, B_FALSE);
568 print_vdev_tree(zhp, NULL, nvroot, 0, B_FALSE);
569
570 /* Do the same for the logs */
571 if (num_logs(poolnvroot) > 0) {
572 print_vdev_tree(zhp, "logs", poolnvroot, 0, B_TRUE);
573 print_vdev_tree(zhp, NULL, nvroot, 0, B_TRUE);
574 } else if (num_logs(nvroot) > 0) {
575 print_vdev_tree(zhp, "logs", nvroot, 0, B_TRUE);
576 }
577
578 ret = 0;
579 } else {
580 ret = (zpool_add(zhp, nvroot) != 0);
581 }
582
583 nvlist_free(nvroot);
584 zpool_close(zhp);
585
586 return (ret);
587 }
588
589 /*
590 * zpool remove <pool> <vdev> ...
591 *
592 * Removes the given vdev from the pool. Currently, this supports removing
593 * spares, cache, and log devices from the pool.
594 */
595 int
zpool_do_remove(int argc,char ** argv)596 zpool_do_remove(int argc, char **argv)
597 {
598 char *poolname;
599 int i, ret = 0;
600 zpool_handle_t *zhp;
601
602 argc--;
603 argv++;
604
605 /* get pool name and check number of arguments */
606 if (argc < 1) {
607 (void) fprintf(stderr, gettext("missing pool name argument\n"));
608 usage(B_FALSE);
609 }
610 if (argc < 2) {
611 (void) fprintf(stderr, gettext("missing device\n"));
612 usage(B_FALSE);
613 }
614
615 poolname = argv[0];
616
617 if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
618 return (1);
619
620 for (i = 1; i < argc; i++) {
621 if (zpool_vdev_remove(zhp, argv[i]) != 0)
622 ret = 1;
623 }
624
625 return (ret);
626 }
627
628 /*
629 * zpool labelclear [-f] <vdev>
630 *
631 * -f Force clearing the label for the vdevs which are members of
632 * the exported or foreign pools.
633 *
634 * Verifies that the vdev is not active and zeros out the label information
635 * on the device.
636 */
637 int
zpool_do_labelclear(int argc,char ** argv)638 zpool_do_labelclear(int argc, char **argv)
639 {
640 char vdev[MAXPATHLEN];
641 char *name = NULL;
642 struct stat st;
643 int c, fd, ret = 0;
644 nvlist_t *config;
645 pool_state_t state;
646 boolean_t inuse = B_FALSE;
647 boolean_t force = B_FALSE;
648
649 /* check options */
650 while ((c = getopt(argc, argv, "f")) != -1) {
651 switch (c) {
652 case 'f':
653 force = B_TRUE;
654 break;
655 default:
656 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
657 optopt);
658 usage(B_FALSE);
659 }
660 }
661
662 argc -= optind;
663 argv += optind;
664
665 /* get vdev name */
666 if (argc < 1) {
667 (void) fprintf(stderr, gettext("missing vdev name\n"));
668 usage(B_FALSE);
669 }
670 if (argc > 1) {
671 (void) fprintf(stderr, gettext("too many arguments\n"));
672 usage(B_FALSE);
673 }
674
675 /*
676 * Check if we were given absolute path and use it as is.
677 * Otherwise if the provided vdev name doesn't point to a file,
678 * try prepending dsk path and appending s0.
679 */
680 (void) strlcpy(vdev, argv[0], sizeof (vdev));
681 if (vdev[0] != '/' && stat(vdev, &st) != 0) {
682 char *s;
683
684 (void) snprintf(vdev, sizeof (vdev), "%s/%s",
685 #ifdef illumos
686 ZFS_DISK_ROOT, argv[0]);
687 if ((s = strrchr(argv[0], 's')) == NULL ||
688 !isdigit(*(s + 1)))
689 (void) strlcat(vdev, "s0", sizeof (vdev));
690 #else
691 "/dev", argv[0]);
692 #endif
693 if (stat(vdev, &st) != 0) {
694 (void) fprintf(stderr, gettext(
695 "failed to find device %s, try specifying absolute "
696 "path instead\n"), argv[0]);
697 return (1);
698 }
699 }
700
701 if ((fd = open(vdev, O_RDWR)) < 0) {
702 (void) fprintf(stderr, gettext("failed to open %s: %s\n"),
703 vdev, strerror(errno));
704 return (1);
705 }
706
707 if (zpool_read_label(fd, &config) != 0 || config == NULL) {
708 (void) fprintf(stderr,
709 gettext("failed to read label from %s\n"), vdev);
710 return (1);
711 }
712 nvlist_free(config);
713
714 ret = zpool_in_use(g_zfs, fd, &state, &name, &inuse);
715 if (ret != 0) {
716 (void) fprintf(stderr,
717 gettext("failed to check state for %s\n"), vdev);
718 return (1);
719 }
720
721 if (!inuse)
722 goto wipe_label;
723
724 switch (state) {
725 default:
726 case POOL_STATE_ACTIVE:
727 case POOL_STATE_SPARE:
728 case POOL_STATE_L2CACHE:
729 (void) fprintf(stderr, gettext(
730 "%s is a member (%s) of pool \"%s\"\n"),
731 vdev, zpool_pool_state_to_name(state), name);
732 ret = 1;
733 goto errout;
734
735 case POOL_STATE_EXPORTED:
736 if (force)
737 break;
738 (void) fprintf(stderr, gettext(
739 "use '-f' to override the following error:\n"
740 "%s is a member of exported pool \"%s\"\n"),
741 vdev, name);
742 ret = 1;
743 goto errout;
744
745 case POOL_STATE_POTENTIALLY_ACTIVE:
746 if (force)
747 break;
748 (void) fprintf(stderr, gettext(
749 "use '-f' to override the following error:\n"
750 "%s is a member of potentially active pool \"%s\"\n"),
751 vdev, name);
752 ret = 1;
753 goto errout;
754
755 case POOL_STATE_DESTROYED:
756 /* inuse should never be set for a destroyed pool */
757 assert(0);
758 break;
759 }
760
761 wipe_label:
762 ret = zpool_clear_label(fd);
763 if (ret != 0) {
764 (void) fprintf(stderr,
765 gettext("failed to clear label for %s\n"), vdev);
766 }
767
768 errout:
769 free(name);
770 (void) close(fd);
771
772 return (ret);
773 }
774
775 /*
776 * zpool create [-fnd] [-o property=value] ...
777 * [-O file-system-property=value] ...
778 * [-R root] [-m mountpoint] <pool> <dev> ...
779 *
780 * -f Force creation, even if devices appear in use
781 * -n Do not create the pool, but display the resulting layout if it
782 * were to be created.
783 * -R Create a pool under an alternate root
784 * -m Set default mountpoint for the root dataset. By default it's
785 * '/<pool>'
786 * -o Set property=value.
787 * -d Don't automatically enable all supported pool features
788 * (individual features can be enabled with -o).
789 * -O Set fsproperty=value in the pool's root file system
790 *
791 * Creates the named pool according to the given vdev specification. The
792 * bulk of the vdev processing is done in get_vdev_spec() in zpool_vdev.c. Once
793 * we get the nvlist back from get_vdev_spec(), we either print out the contents
794 * (if '-n' was specified), or pass it to libzfs to do the creation.
795 */
796 int
zpool_do_create(int argc,char ** argv)797 zpool_do_create(int argc, char **argv)
798 {
799 boolean_t force = B_FALSE;
800 boolean_t dryrun = B_FALSE;
801 boolean_t enable_all_pool_feat = B_TRUE;
802 int c;
803 nvlist_t *nvroot = NULL;
804 char *poolname;
805 int ret = 1;
806 char *altroot = NULL;
807 char *mountpoint = NULL;
808 nvlist_t *fsprops = NULL;
809 nvlist_t *props = NULL;
810 char *propval;
811
812 /* check options */
813 while ((c = getopt(argc, argv, ":fndR:m:o:O:")) != -1) {
814 switch (c) {
815 case 'f':
816 force = B_TRUE;
817 break;
818 case 'n':
819 dryrun = B_TRUE;
820 break;
821 case 'd':
822 enable_all_pool_feat = B_FALSE;
823 break;
824 case 'R':
825 altroot = optarg;
826 if (add_prop_list(zpool_prop_to_name(
827 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE))
828 goto errout;
829 if (nvlist_lookup_string(props,
830 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE),
831 &propval) == 0)
832 break;
833 if (add_prop_list(zpool_prop_to_name(
834 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE))
835 goto errout;
836 break;
837 case 'm':
838 /* Equivalent to -O mountpoint=optarg */
839 mountpoint = optarg;
840 break;
841 case 'o':
842 if ((propval = strchr(optarg, '=')) == NULL) {
843 (void) fprintf(stderr, gettext("missing "
844 "'=' for -o option\n"));
845 goto errout;
846 }
847 *propval = '\0';
848 propval++;
849
850 if (add_prop_list(optarg, propval, &props, B_TRUE))
851 goto errout;
852
853 /*
854 * If the user is creating a pool that doesn't support
855 * feature flags, don't enable any features.
856 */
857 if (zpool_name_to_prop(optarg) == ZPOOL_PROP_VERSION) {
858 char *end;
859 u_longlong_t ver;
860
861 ver = strtoull(propval, &end, 10);
862 if (*end == '\0' &&
863 ver < SPA_VERSION_FEATURES) {
864 enable_all_pool_feat = B_FALSE;
865 }
866 }
867 if (zpool_name_to_prop(optarg) == ZPOOL_PROP_ALTROOT)
868 altroot = propval;
869 break;
870 case 'O':
871 if ((propval = strchr(optarg, '=')) == NULL) {
872 (void) fprintf(stderr, gettext("missing "
873 "'=' for -O option\n"));
874 goto errout;
875 }
876 *propval = '\0';
877 propval++;
878
879 /*
880 * Mountpoints are checked and then added later.
881 * Uniquely among properties, they can be specified
882 * more than once, to avoid conflict with -m.
883 */
884 if (0 == strcmp(optarg,
885 zfs_prop_to_name(ZFS_PROP_MOUNTPOINT))) {
886 mountpoint = propval;
887 } else if (add_prop_list(optarg, propval, &fsprops,
888 B_FALSE)) {
889 goto errout;
890 }
891 break;
892 case ':':
893 (void) fprintf(stderr, gettext("missing argument for "
894 "'%c' option\n"), optopt);
895 goto badusage;
896 case '?':
897 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
898 optopt);
899 goto badusage;
900 }
901 }
902
903 argc -= optind;
904 argv += optind;
905
906 /* get pool name and check number of arguments */
907 if (argc < 1) {
908 (void) fprintf(stderr, gettext("missing pool name argument\n"));
909 goto badusage;
910 }
911 if (argc < 2) {
912 (void) fprintf(stderr, gettext("missing vdev specification\n"));
913 goto badusage;
914 }
915
916 poolname = argv[0];
917
918 /*
919 * As a special case, check for use of '/' in the name, and direct the
920 * user to use 'zfs create' instead.
921 */
922 if (strchr(poolname, '/') != NULL) {
923 (void) fprintf(stderr, gettext("cannot create '%s': invalid "
924 "character '/' in pool name\n"), poolname);
925 (void) fprintf(stderr, gettext("use 'zfs create' to "
926 "create a dataset\n"));
927 goto errout;
928 }
929
930 /* pass off to get_vdev_spec for bulk processing */
931 nvroot = make_root_vdev(NULL, force, !force, B_FALSE, dryrun,
932 argc - 1, argv + 1);
933 if (nvroot == NULL)
934 goto errout;
935
936 /* make_root_vdev() allows 0 toplevel children if there are spares */
937 if (!zfs_allocatable_devs(nvroot)) {
938 (void) fprintf(stderr, gettext("invalid vdev "
939 "specification: at least one toplevel vdev must be "
940 "specified\n"));
941 goto errout;
942 }
943
944 if (altroot != NULL && altroot[0] != '/') {
945 (void) fprintf(stderr, gettext("invalid alternate root '%s': "
946 "must be an absolute path\n"), altroot);
947 goto errout;
948 }
949
950 /*
951 * Check the validity of the mountpoint and direct the user to use the
952 * '-m' mountpoint option if it looks like its in use.
953 * Ignore the checks if the '-f' option is given.
954 */
955 if (!force && (mountpoint == NULL ||
956 (strcmp(mountpoint, ZFS_MOUNTPOINT_LEGACY) != 0 &&
957 strcmp(mountpoint, ZFS_MOUNTPOINT_NONE) != 0))) {
958 char buf[MAXPATHLEN];
959 DIR *dirp;
960
961 if (mountpoint && mountpoint[0] != '/') {
962 (void) fprintf(stderr, gettext("invalid mountpoint "
963 "'%s': must be an absolute path, 'legacy', or "
964 "'none'\n"), mountpoint);
965 goto errout;
966 }
967
968 if (mountpoint == NULL) {
969 if (altroot != NULL)
970 (void) snprintf(buf, sizeof (buf), "%s/%s",
971 altroot, poolname);
972 else
973 (void) snprintf(buf, sizeof (buf), "/%s",
974 poolname);
975 } else {
976 if (altroot != NULL)
977 (void) snprintf(buf, sizeof (buf), "%s%s",
978 altroot, mountpoint);
979 else
980 (void) snprintf(buf, sizeof (buf), "%s",
981 mountpoint);
982 }
983
984 if ((dirp = opendir(buf)) == NULL && errno != ENOENT) {
985 (void) fprintf(stderr, gettext("mountpoint '%s' : "
986 "%s\n"), buf, strerror(errno));
987 (void) fprintf(stderr, gettext("use '-m' "
988 "option to provide a different default\n"));
989 goto errout;
990 } else if (dirp) {
991 int count = 0;
992
993 while (count < 3 && readdir(dirp) != NULL)
994 count++;
995 (void) closedir(dirp);
996
997 if (count > 2) {
998 (void) fprintf(stderr, gettext("mountpoint "
999 "'%s' exists and is not empty\n"), buf);
1000 (void) fprintf(stderr, gettext("use '-m' "
1001 "option to provide a "
1002 "different default\n"));
1003 goto errout;
1004 }
1005 }
1006 }
1007
1008 /*
1009 * Now that the mountpoint's validity has been checked, ensure that
1010 * the property is set appropriately prior to creating the pool.
1011 */
1012 if (mountpoint != NULL) {
1013 ret = add_prop_list(zfs_prop_to_name(ZFS_PROP_MOUNTPOINT),
1014 mountpoint, &fsprops, B_FALSE);
1015 if (ret != 0)
1016 goto errout;
1017 }
1018
1019 ret = 1;
1020 if (dryrun) {
1021 /*
1022 * For a dry run invocation, print out a basic message and run
1023 * through all the vdevs in the list and print out in an
1024 * appropriate hierarchy.
1025 */
1026 (void) printf(gettext("would create '%s' with the "
1027 "following layout:\n\n"), poolname);
1028
1029 print_vdev_tree(NULL, poolname, nvroot, 0, B_FALSE);
1030 if (num_logs(nvroot) > 0)
1031 print_vdev_tree(NULL, "logs", nvroot, 0, B_TRUE);
1032
1033 ret = 0;
1034 } else {
1035 /*
1036 * Hand off to libzfs.
1037 */
1038 if (enable_all_pool_feat) {
1039 spa_feature_t i;
1040 for (i = 0; i < SPA_FEATURES; i++) {
1041 char propname[MAXPATHLEN];
1042 zfeature_info_t *feat = &spa_feature_table[i];
1043
1044 (void) snprintf(propname, sizeof (propname),
1045 "feature@%s", feat->fi_uname);
1046
1047 /*
1048 * Skip feature if user specified it manually
1049 * on the command line.
1050 */
1051 if (nvlist_exists(props, propname))
1052 continue;
1053
1054 ret = add_prop_list(propname,
1055 ZFS_FEATURE_ENABLED, &props, B_TRUE);
1056 if (ret != 0)
1057 goto errout;
1058 }
1059 }
1060
1061 ret = 1;
1062 if (zpool_create(g_zfs, poolname,
1063 nvroot, props, fsprops) == 0) {
1064 zfs_handle_t *pool = zfs_open(g_zfs, poolname,
1065 ZFS_TYPE_FILESYSTEM);
1066 if (pool != NULL) {
1067 if (zfs_mount(pool, NULL, 0) == 0)
1068 ret = zfs_shareall(pool);
1069 zfs_close(pool);
1070 }
1071 } else if (libzfs_errno(g_zfs) == EZFS_INVALIDNAME) {
1072 (void) fprintf(stderr, gettext("pool name may have "
1073 "been omitted\n"));
1074 }
1075 }
1076
1077 errout:
1078 nvlist_free(nvroot);
1079 nvlist_free(fsprops);
1080 nvlist_free(props);
1081 return (ret);
1082 badusage:
1083 nvlist_free(fsprops);
1084 nvlist_free(props);
1085 usage(B_FALSE);
1086 return (2);
1087 }
1088
1089 /*
1090 * zpool destroy <pool>
1091 *
1092 * -f Forcefully unmount any datasets
1093 *
1094 * Destroy the given pool. Automatically unmounts any datasets in the pool.
1095 */
1096 int
zpool_do_destroy(int argc,char ** argv)1097 zpool_do_destroy(int argc, char **argv)
1098 {
1099 boolean_t force = B_FALSE;
1100 int c;
1101 char *pool;
1102 zpool_handle_t *zhp;
1103 int ret;
1104
1105 /* check options */
1106 while ((c = getopt(argc, argv, "f")) != -1) {
1107 switch (c) {
1108 case 'f':
1109 force = B_TRUE;
1110 break;
1111 case '?':
1112 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1113 optopt);
1114 usage(B_FALSE);
1115 }
1116 }
1117
1118 argc -= optind;
1119 argv += optind;
1120
1121 /* check arguments */
1122 if (argc < 1) {
1123 (void) fprintf(stderr, gettext("missing pool argument\n"));
1124 usage(B_FALSE);
1125 }
1126 if (argc > 1) {
1127 (void) fprintf(stderr, gettext("too many arguments\n"));
1128 usage(B_FALSE);
1129 }
1130
1131 pool = argv[0];
1132
1133 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) {
1134 /*
1135 * As a special case, check for use of '/' in the name, and
1136 * direct the user to use 'zfs destroy' instead.
1137 */
1138 if (strchr(pool, '/') != NULL)
1139 (void) fprintf(stderr, gettext("use 'zfs destroy' to "
1140 "destroy a dataset\n"));
1141 return (1);
1142 }
1143
1144 if (zpool_disable_datasets(zhp, force) != 0) {
1145 (void) fprintf(stderr, gettext("could not destroy '%s': "
1146 "could not unmount datasets\n"), zpool_get_name(zhp));
1147 return (1);
1148 }
1149
1150 /* The history must be logged as part of the export */
1151 log_history = B_FALSE;
1152
1153 ret = (zpool_destroy(zhp, history_str) != 0);
1154
1155 zpool_close(zhp);
1156
1157 return (ret);
1158 }
1159
1160 /*
1161 * zpool export [-f] <pool> ...
1162 *
1163 * -f Forcefully unmount datasets
1164 *
1165 * Export the given pools. By default, the command will attempt to cleanly
1166 * unmount any active datasets within the pool. If the '-f' flag is specified,
1167 * then the datasets will be forcefully unmounted.
1168 */
1169 int
zpool_do_export(int argc,char ** argv)1170 zpool_do_export(int argc, char **argv)
1171 {
1172 boolean_t force = B_FALSE;
1173 boolean_t hardforce = B_FALSE;
1174 int c;
1175 zpool_handle_t *zhp;
1176 int ret;
1177 int i;
1178
1179 /* check options */
1180 while ((c = getopt(argc, argv, "fF")) != -1) {
1181 switch (c) {
1182 case 'f':
1183 force = B_TRUE;
1184 break;
1185 case 'F':
1186 hardforce = B_TRUE;
1187 break;
1188 case '?':
1189 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1190 optopt);
1191 usage(B_FALSE);
1192 }
1193 }
1194
1195 argc -= optind;
1196 argv += optind;
1197
1198 /* check arguments */
1199 if (argc < 1) {
1200 (void) fprintf(stderr, gettext("missing pool argument\n"));
1201 usage(B_FALSE);
1202 }
1203
1204 ret = 0;
1205 for (i = 0; i < argc; i++) {
1206 if ((zhp = zpool_open_canfail(g_zfs, argv[i])) == NULL) {
1207 ret = 1;
1208 continue;
1209 }
1210
1211 if (zpool_disable_datasets(zhp, force) != 0) {
1212 ret = 1;
1213 zpool_close(zhp);
1214 continue;
1215 }
1216
1217 /* The history must be logged as part of the export */
1218 log_history = B_FALSE;
1219
1220 if (hardforce) {
1221 if (zpool_export_force(zhp, history_str) != 0)
1222 ret = 1;
1223 } else if (zpool_export(zhp, force, history_str) != 0) {
1224 ret = 1;
1225 }
1226
1227 zpool_close(zhp);
1228 }
1229
1230 return (ret);
1231 }
1232
1233 /*
1234 * Given a vdev configuration, determine the maximum width needed for the device
1235 * name column.
1236 */
1237 static int
max_width(zpool_handle_t * zhp,nvlist_t * nv,int depth,int max)1238 max_width(zpool_handle_t *zhp, nvlist_t *nv, int depth, int max)
1239 {
1240 char *name = zpool_vdev_name(g_zfs, zhp, nv, B_TRUE);
1241 nvlist_t **child;
1242 uint_t c, children;
1243 int ret;
1244
1245 if (strlen(name) + depth > max)
1246 max = strlen(name) + depth;
1247
1248 free(name);
1249
1250 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES,
1251 &child, &children) == 0) {
1252 for (c = 0; c < children; c++)
1253 if ((ret = max_width(zhp, child[c], depth + 2,
1254 max)) > max)
1255 max = ret;
1256 }
1257
1258 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE,
1259 &child, &children) == 0) {
1260 for (c = 0; c < children; c++)
1261 if ((ret = max_width(zhp, child[c], depth + 2,
1262 max)) > max)
1263 max = ret;
1264 }
1265
1266 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
1267 &child, &children) == 0) {
1268 for (c = 0; c < children; c++)
1269 if ((ret = max_width(zhp, child[c], depth + 2,
1270 max)) > max)
1271 max = ret;
1272 }
1273
1274
1275 return (max);
1276 }
1277
1278 typedef struct spare_cbdata {
1279 uint64_t cb_guid;
1280 zpool_handle_t *cb_zhp;
1281 } spare_cbdata_t;
1282
1283 static boolean_t
find_vdev(nvlist_t * nv,uint64_t search)1284 find_vdev(nvlist_t *nv, uint64_t search)
1285 {
1286 uint64_t guid;
1287 nvlist_t **child;
1288 uint_t c, children;
1289
1290 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) == 0 &&
1291 search == guid)
1292 return (B_TRUE);
1293
1294 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
1295 &child, &children) == 0) {
1296 for (c = 0; c < children; c++)
1297 if (find_vdev(child[c], search))
1298 return (B_TRUE);
1299 }
1300
1301 return (B_FALSE);
1302 }
1303
1304 static int
find_spare(zpool_handle_t * zhp,void * data)1305 find_spare(zpool_handle_t *zhp, void *data)
1306 {
1307 spare_cbdata_t *cbp = data;
1308 nvlist_t *config, *nvroot;
1309
1310 config = zpool_get_config(zhp, NULL);
1311 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
1312 &nvroot) == 0);
1313
1314 if (find_vdev(nvroot, cbp->cb_guid)) {
1315 cbp->cb_zhp = zhp;
1316 return (1);
1317 }
1318
1319 zpool_close(zhp);
1320 return (0);
1321 }
1322
1323 /*
1324 * Print out configuration state as requested by status_callback.
1325 */
1326 void
print_status_config(zpool_handle_t * zhp,const char * name,nvlist_t * nv,int namewidth,int depth,boolean_t isspare)1327 print_status_config(zpool_handle_t *zhp, const char *name, nvlist_t *nv,
1328 int namewidth, int depth, boolean_t isspare)
1329 {
1330 nvlist_t **child;
1331 uint_t c, vsc, children;
1332 pool_scan_stat_t *ps = NULL;
1333 vdev_stat_t *vs;
1334 char rbuf[6], wbuf[6], cbuf[6];
1335 char *vname;
1336 uint64_t notpresent;
1337 uint64_t ashift;
1338 spare_cbdata_t cb;
1339 const char *state;
1340
1341 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
1342 &child, &children) != 0)
1343 children = 0;
1344
1345 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS,
1346 (uint64_t **)&vs, &vsc) == 0);
1347
1348 state = zpool_state_to_name(vs->vs_state, vs->vs_aux);
1349 if (isspare) {
1350 /*
1351 * For hot spares, we use the terms 'INUSE' and 'AVAILABLE' for
1352 * online drives.
1353 */
1354 if (vs->vs_aux == VDEV_AUX_SPARED)
1355 state = "INUSE";
1356 else if (vs->vs_state == VDEV_STATE_HEALTHY)
1357 state = "AVAIL";
1358 }
1359
1360 (void) printf("\t%*s%-*s %-8s", depth, "", namewidth - depth,
1361 name, state);
1362
1363 if (!isspare) {
1364 zfs_nicenum(vs->vs_read_errors, rbuf, sizeof (rbuf));
1365 zfs_nicenum(vs->vs_write_errors, wbuf, sizeof (wbuf));
1366 zfs_nicenum(vs->vs_checksum_errors, cbuf, sizeof (cbuf));
1367 (void) printf(" %5s %5s %5s", rbuf, wbuf, cbuf);
1368 }
1369
1370 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT,
1371 ¬present) == 0 ||
1372 vs->vs_state <= VDEV_STATE_CANT_OPEN) {
1373 char *path;
1374 if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0)
1375 (void) printf(" was %s", path);
1376 } else if (vs->vs_aux != 0) {
1377 (void) printf(" ");
1378
1379 switch (vs->vs_aux) {
1380 case VDEV_AUX_OPEN_FAILED:
1381 (void) printf(gettext("cannot open"));
1382 break;
1383
1384 case VDEV_AUX_BAD_GUID_SUM:
1385 (void) printf(gettext("missing device"));
1386 break;
1387
1388 case VDEV_AUX_NO_REPLICAS:
1389 (void) printf(gettext("insufficient replicas"));
1390 break;
1391
1392 case VDEV_AUX_VERSION_NEWER:
1393 (void) printf(gettext("newer version"));
1394 break;
1395
1396 case VDEV_AUX_UNSUP_FEAT:
1397 (void) printf(gettext("unsupported feature(s)"));
1398 break;
1399
1400 case VDEV_AUX_ASHIFT_TOO_BIG:
1401 (void) printf(gettext("unsupported minimum blocksize"));
1402 break;
1403
1404 case VDEV_AUX_SPARED:
1405 verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID,
1406 &cb.cb_guid) == 0);
1407 if (zpool_iter(g_zfs, find_spare, &cb) == 1) {
1408 if (strcmp(zpool_get_name(cb.cb_zhp),
1409 zpool_get_name(zhp)) == 0)
1410 (void) printf(gettext("currently in "
1411 "use"));
1412 else
1413 (void) printf(gettext("in use by "
1414 "pool '%s'"),
1415 zpool_get_name(cb.cb_zhp));
1416 zpool_close(cb.cb_zhp);
1417 } else {
1418 (void) printf(gettext("currently in use"));
1419 }
1420 break;
1421
1422 case VDEV_AUX_ERR_EXCEEDED:
1423 (void) printf(gettext("too many errors"));
1424 break;
1425
1426 case VDEV_AUX_IO_FAILURE:
1427 (void) printf(gettext("experienced I/O failures"));
1428 break;
1429
1430 case VDEV_AUX_BAD_LOG:
1431 (void) printf(gettext("bad intent log"));
1432 break;
1433
1434 case VDEV_AUX_EXTERNAL:
1435 (void) printf(gettext("external device fault"));
1436 break;
1437
1438 case VDEV_AUX_SPLIT_POOL:
1439 (void) printf(gettext("split into new pool"));
1440 break;
1441
1442 default:
1443 (void) printf(gettext("corrupted data"));
1444 break;
1445 }
1446 } else if (children == 0 && !isspare &&
1447 VDEV_STAT_VALID(vs_physical_ashift, vsc) &&
1448 vs->vs_configured_ashift < vs->vs_physical_ashift) {
1449 (void) printf(
1450 gettext(" block size: %dB configured, %dB native"),
1451 1 << vs->vs_configured_ashift, 1 << vs->vs_physical_ashift);
1452 }
1453
1454 (void) nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_SCAN_STATS,
1455 (uint64_t **)&ps, &c);
1456
1457 if (ps && ps->pss_state == DSS_SCANNING &&
1458 vs->vs_scan_processed != 0 && children == 0) {
1459 (void) printf(gettext(" (%s)"),
1460 (ps->pss_func == POOL_SCAN_RESILVER) ?
1461 "resilvering" : "repairing");
1462 }
1463
1464 (void) printf("\n");
1465
1466 for (c = 0; c < children; c++) {
1467 uint64_t islog = B_FALSE, ishole = B_FALSE;
1468
1469 /* Don't print logs or holes here */
1470 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
1471 &islog);
1472 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE,
1473 &ishole);
1474 if (islog || ishole)
1475 continue;
1476 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE);
1477 print_status_config(zhp, vname, child[c],
1478 namewidth, depth + 2, isspare);
1479 free(vname);
1480 }
1481 }
1482
1483
1484 /*
1485 * Print the configuration of an exported pool. Iterate over all vdevs in the
1486 * pool, printing out the name and status for each one.
1487 */
1488 void
print_import_config(const char * name,nvlist_t * nv,int namewidth,int depth)1489 print_import_config(const char *name, nvlist_t *nv, int namewidth, int depth)
1490 {
1491 nvlist_t **child;
1492 uint_t c, children;
1493 vdev_stat_t *vs;
1494 char *type, *vname;
1495
1496 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0);
1497 if (strcmp(type, VDEV_TYPE_MISSING) == 0 ||
1498 strcmp(type, VDEV_TYPE_HOLE) == 0)
1499 return;
1500
1501 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS,
1502 (uint64_t **)&vs, &c) == 0);
1503
1504 (void) printf("\t%*s%-*s", depth, "", namewidth - depth, name);
1505 (void) printf(" %s", zpool_state_to_name(vs->vs_state, vs->vs_aux));
1506
1507 if (vs->vs_aux != 0) {
1508 (void) printf(" ");
1509
1510 switch (vs->vs_aux) {
1511 case VDEV_AUX_OPEN_FAILED:
1512 (void) printf(gettext("cannot open"));
1513 break;
1514
1515 case VDEV_AUX_BAD_GUID_SUM:
1516 (void) printf(gettext("missing device"));
1517 break;
1518
1519 case VDEV_AUX_NO_REPLICAS:
1520 (void) printf(gettext("insufficient replicas"));
1521 break;
1522
1523 case VDEV_AUX_VERSION_NEWER:
1524 (void) printf(gettext("newer version"));
1525 break;
1526
1527 case VDEV_AUX_UNSUP_FEAT:
1528 (void) printf(gettext("unsupported feature(s)"));
1529 break;
1530
1531 case VDEV_AUX_ERR_EXCEEDED:
1532 (void) printf(gettext("too many errors"));
1533 break;
1534
1535 default:
1536 (void) printf(gettext("corrupted data"));
1537 break;
1538 }
1539 }
1540 (void) printf("\n");
1541
1542 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
1543 &child, &children) != 0)
1544 return;
1545
1546 for (c = 0; c < children; c++) {
1547 uint64_t is_log = B_FALSE;
1548
1549 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
1550 &is_log);
1551 if (is_log)
1552 continue;
1553
1554 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_TRUE);
1555 print_import_config(vname, child[c], namewidth, depth + 2);
1556 free(vname);
1557 }
1558
1559 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE,
1560 &child, &children) == 0) {
1561 (void) printf(gettext("\tcache\n"));
1562 for (c = 0; c < children; c++) {
1563 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE);
1564 (void) printf("\t %s\n", vname);
1565 free(vname);
1566 }
1567 }
1568
1569 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES,
1570 &child, &children) == 0) {
1571 (void) printf(gettext("\tspares\n"));
1572 for (c = 0; c < children; c++) {
1573 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE);
1574 (void) printf("\t %s\n", vname);
1575 free(vname);
1576 }
1577 }
1578 }
1579
1580 /*
1581 * Print log vdevs.
1582 * Logs are recorded as top level vdevs in the main pool child array
1583 * but with "is_log" set to 1. We use either print_status_config() or
1584 * print_import_config() to print the top level logs then any log
1585 * children (eg mirrored slogs) are printed recursively - which
1586 * works because only the top level vdev is marked "is_log"
1587 */
1588 static void
print_logs(zpool_handle_t * zhp,nvlist_t * nv,int namewidth,boolean_t verbose)1589 print_logs(zpool_handle_t *zhp, nvlist_t *nv, int namewidth, boolean_t verbose)
1590 {
1591 uint_t c, children;
1592 nvlist_t **child;
1593
1594 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, &child,
1595 &children) != 0)
1596 return;
1597
1598 (void) printf(gettext("\tlogs\n"));
1599
1600 for (c = 0; c < children; c++) {
1601 uint64_t is_log = B_FALSE;
1602 char *name;
1603
1604 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
1605 &is_log);
1606 if (!is_log)
1607 continue;
1608 name = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE);
1609 if (verbose)
1610 print_status_config(zhp, name, child[c], namewidth,
1611 2, B_FALSE);
1612 else
1613 print_import_config(name, child[c], namewidth, 2);
1614 free(name);
1615 }
1616 }
1617
1618 /*
1619 * Display the status for the given pool.
1620 */
1621 static void
show_import(nvlist_t * config)1622 show_import(nvlist_t *config)
1623 {
1624 uint64_t pool_state;
1625 vdev_stat_t *vs;
1626 char *name;
1627 uint64_t guid;
1628 char *msgid;
1629 nvlist_t *nvroot;
1630 int reason;
1631 const char *health;
1632 uint_t vsc;
1633 int namewidth;
1634 char *comment;
1635
1636 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME,
1637 &name) == 0);
1638 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID,
1639 &guid) == 0);
1640 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE,
1641 &pool_state) == 0);
1642 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
1643 &nvroot) == 0);
1644
1645 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS,
1646 (uint64_t **)&vs, &vsc) == 0);
1647 health = zpool_state_to_name(vs->vs_state, vs->vs_aux);
1648
1649 reason = zpool_import_status(config, &msgid);
1650
1651 (void) printf(gettext(" pool: %s\n"), name);
1652 (void) printf(gettext(" id: %llu\n"), (u_longlong_t)guid);
1653 (void) printf(gettext(" state: %s"), health);
1654 if (pool_state == POOL_STATE_DESTROYED)
1655 (void) printf(gettext(" (DESTROYED)"));
1656 (void) printf("\n");
1657
1658 switch (reason) {
1659 case ZPOOL_STATUS_MISSING_DEV_R:
1660 case ZPOOL_STATUS_MISSING_DEV_NR:
1661 case ZPOOL_STATUS_BAD_GUID_SUM:
1662 (void) printf(gettext(" status: One or more devices are "
1663 "missing from the system.\n"));
1664 break;
1665
1666 case ZPOOL_STATUS_CORRUPT_LABEL_R:
1667 case ZPOOL_STATUS_CORRUPT_LABEL_NR:
1668 (void) printf(gettext(" status: One or more devices contains "
1669 "corrupted data.\n"));
1670 break;
1671
1672 case ZPOOL_STATUS_CORRUPT_DATA:
1673 (void) printf(
1674 gettext(" status: The pool data is corrupted.\n"));
1675 break;
1676
1677 case ZPOOL_STATUS_OFFLINE_DEV:
1678 (void) printf(gettext(" status: One or more devices "
1679 "are offlined.\n"));
1680 break;
1681
1682 case ZPOOL_STATUS_CORRUPT_POOL:
1683 (void) printf(gettext(" status: The pool metadata is "
1684 "corrupted.\n"));
1685 break;
1686
1687 case ZPOOL_STATUS_VERSION_OLDER:
1688 (void) printf(gettext(" status: The pool is formatted using a "
1689 "legacy on-disk version.\n"));
1690 break;
1691
1692 case ZPOOL_STATUS_VERSION_NEWER:
1693 (void) printf(gettext(" status: The pool is formatted using an "
1694 "incompatible version.\n"));
1695 break;
1696
1697 case ZPOOL_STATUS_FEAT_DISABLED:
1698 (void) printf(gettext(" status: Some supported features are "
1699 "not enabled on the pool.\n"));
1700 break;
1701
1702 case ZPOOL_STATUS_UNSUP_FEAT_READ:
1703 (void) printf(gettext("status: The pool uses the following "
1704 "feature(s) not supported on this sytem:\n"));
1705 zpool_print_unsup_feat(config);
1706 break;
1707
1708 case ZPOOL_STATUS_UNSUP_FEAT_WRITE:
1709 (void) printf(gettext("status: The pool can only be accessed "
1710 "in read-only mode on this system. It\n\tcannot be "
1711 "accessed in read-write mode because it uses the "
1712 "following\n\tfeature(s) not supported on this system:\n"));
1713 zpool_print_unsup_feat(config);
1714 break;
1715
1716 case ZPOOL_STATUS_HOSTID_MISMATCH:
1717 (void) printf(gettext(" status: The pool was last accessed by "
1718 "another system.\n"));
1719 break;
1720
1721 case ZPOOL_STATUS_FAULTED_DEV_R:
1722 case ZPOOL_STATUS_FAULTED_DEV_NR:
1723 (void) printf(gettext(" status: One or more devices are "
1724 "faulted.\n"));
1725 break;
1726
1727 case ZPOOL_STATUS_BAD_LOG:
1728 (void) printf(gettext(" status: An intent log record cannot be "
1729 "read.\n"));
1730 break;
1731
1732 case ZPOOL_STATUS_RESILVERING:
1733 (void) printf(gettext(" status: One or more devices were being "
1734 "resilvered.\n"));
1735 break;
1736
1737 case ZPOOL_STATUS_NON_NATIVE_ASHIFT:
1738 (void) printf(gettext("status: One or more devices were "
1739 "configured to use a non-native block size.\n"
1740 "\tExpect reduced performance.\n"));
1741 break;
1742
1743 default:
1744 /*
1745 * No other status can be seen when importing pools.
1746 */
1747 assert(reason == ZPOOL_STATUS_OK);
1748 }
1749
1750 /*
1751 * Print out an action according to the overall state of the pool.
1752 */
1753 if (vs->vs_state == VDEV_STATE_HEALTHY) {
1754 if (reason == ZPOOL_STATUS_VERSION_OLDER ||
1755 reason == ZPOOL_STATUS_FEAT_DISABLED) {
1756 (void) printf(gettext(" action: The pool can be "
1757 "imported using its name or numeric identifier, "
1758 "though\n\tsome features will not be available "
1759 "without an explicit 'zpool upgrade'.\n"));
1760 } else if (reason == ZPOOL_STATUS_HOSTID_MISMATCH) {
1761 (void) printf(gettext(" action: The pool can be "
1762 "imported using its name or numeric "
1763 "identifier and\n\tthe '-f' flag.\n"));
1764 } else {
1765 (void) printf(gettext(" action: The pool can be "
1766 "imported using its name or numeric "
1767 "identifier.\n"));
1768 }
1769 } else if (vs->vs_state == VDEV_STATE_DEGRADED) {
1770 (void) printf(gettext(" action: The pool can be imported "
1771 "despite missing or damaged devices. The\n\tfault "
1772 "tolerance of the pool may be compromised if imported.\n"));
1773 } else {
1774 switch (reason) {
1775 case ZPOOL_STATUS_VERSION_NEWER:
1776 (void) printf(gettext(" action: The pool cannot be "
1777 "imported. Access the pool on a system running "
1778 "newer\n\tsoftware, or recreate the pool from "
1779 "backup.\n"));
1780 break;
1781 case ZPOOL_STATUS_UNSUP_FEAT_READ:
1782 (void) printf(gettext("action: The pool cannot be "
1783 "imported. Access the pool on a system that "
1784 "supports\n\tthe required feature(s), or recreate "
1785 "the pool from backup.\n"));
1786 break;
1787 case ZPOOL_STATUS_UNSUP_FEAT_WRITE:
1788 (void) printf(gettext("action: The pool cannot be "
1789 "imported in read-write mode. Import the pool "
1790 "with\n"
1791 "\t\"-o readonly=on\", access the pool on a system "
1792 "that supports the\n\trequired feature(s), or "
1793 "recreate the pool from backup.\n"));
1794 break;
1795 case ZPOOL_STATUS_MISSING_DEV_R:
1796 case ZPOOL_STATUS_MISSING_DEV_NR:
1797 case ZPOOL_STATUS_BAD_GUID_SUM:
1798 (void) printf(gettext(" action: The pool cannot be "
1799 "imported. Attach the missing\n\tdevices and try "
1800 "again.\n"));
1801 break;
1802 default:
1803 (void) printf(gettext(" action: The pool cannot be "
1804 "imported due to damaged devices or data.\n"));
1805 }
1806 }
1807
1808 /* Print the comment attached to the pool. */
1809 if (nvlist_lookup_string(config, ZPOOL_CONFIG_COMMENT, &comment) == 0)
1810 (void) printf(gettext("comment: %s\n"), comment);
1811
1812 /*
1813 * If the state is "closed" or "can't open", and the aux state
1814 * is "corrupt data":
1815 */
1816 if (((vs->vs_state == VDEV_STATE_CLOSED) ||
1817 (vs->vs_state == VDEV_STATE_CANT_OPEN)) &&
1818 (vs->vs_aux == VDEV_AUX_CORRUPT_DATA)) {
1819 if (pool_state == POOL_STATE_DESTROYED)
1820 (void) printf(gettext("\tThe pool was destroyed, "
1821 "but can be imported using the '-Df' flags.\n"));
1822 else if (pool_state != POOL_STATE_EXPORTED)
1823 (void) printf(gettext("\tThe pool may be active on "
1824 "another system, but can be imported using\n\t"
1825 "the '-f' flag.\n"));
1826 }
1827
1828 if (msgid != NULL)
1829 (void) printf(gettext(" see: http://illumos.org/msg/%s\n"),
1830 msgid);
1831
1832 (void) printf(gettext(" config:\n\n"));
1833
1834 namewidth = max_width(NULL, nvroot, 0, 0);
1835 if (namewidth < 10)
1836 namewidth = 10;
1837
1838 print_import_config(name, nvroot, namewidth, 0);
1839 if (num_logs(nvroot) > 0)
1840 print_logs(NULL, nvroot, namewidth, B_FALSE);
1841
1842 if (reason == ZPOOL_STATUS_BAD_GUID_SUM) {
1843 (void) printf(gettext("\n\tAdditional devices are known to "
1844 "be part of this pool, though their\n\texact "
1845 "configuration cannot be determined.\n"));
1846 }
1847 }
1848
1849 /*
1850 * Perform the import for the given configuration. This passes the heavy
1851 * lifting off to zpool_import_props(), and then mounts the datasets contained
1852 * within the pool.
1853 */
1854 static int
do_import(nvlist_t * config,const char * newname,const char * mntopts,nvlist_t * props,int flags)1855 do_import(nvlist_t *config, const char *newname, const char *mntopts,
1856 nvlist_t *props, int flags)
1857 {
1858 zpool_handle_t *zhp;
1859 char *name;
1860 uint64_t state;
1861 uint64_t version;
1862
1863 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME,
1864 &name) == 0);
1865
1866 verify(nvlist_lookup_uint64(config,
1867 ZPOOL_CONFIG_POOL_STATE, &state) == 0);
1868 verify(nvlist_lookup_uint64(config,
1869 ZPOOL_CONFIG_VERSION, &version) == 0);
1870 if (!SPA_VERSION_IS_SUPPORTED(version)) {
1871 (void) fprintf(stderr, gettext("cannot import '%s': pool "
1872 "is formatted using an unsupported ZFS version\n"), name);
1873 return (1);
1874 } else if (state != POOL_STATE_EXPORTED &&
1875 !(flags & ZFS_IMPORT_ANY_HOST)) {
1876 uint64_t hostid;
1877
1878 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID,
1879 &hostid) == 0) {
1880 if ((unsigned long)hostid != gethostid()) {
1881 char *hostname;
1882 uint64_t timestamp;
1883 time_t t;
1884
1885 verify(nvlist_lookup_string(config,
1886 ZPOOL_CONFIG_HOSTNAME, &hostname) == 0);
1887 verify(nvlist_lookup_uint64(config,
1888 ZPOOL_CONFIG_TIMESTAMP, ×tamp) == 0);
1889 t = timestamp;
1890 (void) fprintf(stderr, gettext("cannot import "
1891 "'%s': pool may be in use from other "
1892 "system, it was last accessed by %s "
1893 "(hostid: 0x%lx) on %s"), name, hostname,
1894 (unsigned long)hostid,
1895 asctime(localtime(&t)));
1896 (void) fprintf(stderr, gettext("use '-f' to "
1897 "import anyway\n"));
1898 return (1);
1899 }
1900 } else {
1901 (void) fprintf(stderr, gettext("cannot import '%s': "
1902 "pool may be in use from other system\n"), name);
1903 (void) fprintf(stderr, gettext("use '-f' to import "
1904 "anyway\n"));
1905 return (1);
1906 }
1907 }
1908
1909 if (zpool_import_props(g_zfs, config, newname, props, flags) != 0)
1910 return (1);
1911
1912 if (newname != NULL)
1913 name = (char *)newname;
1914
1915 if ((zhp = zpool_open_canfail(g_zfs, name)) == NULL)
1916 return (1);
1917
1918 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL &&
1919 !(flags & ZFS_IMPORT_ONLY) &&
1920 zpool_enable_datasets(zhp, mntopts, 0) != 0) {
1921 zpool_close(zhp);
1922 return (1);
1923 }
1924
1925 zpool_close(zhp);
1926 return (0);
1927 }
1928
1929 /*
1930 * zpool import [-d dir] [-D]
1931 * import [-o mntopts] [-o prop=value] ... [-R root] [-D]
1932 * [-d dir | -c cachefile] [-f] -a
1933 * import [-o mntopts] [-o prop=value] ... [-R root] [-D]
1934 * [-d dir | -c cachefile] [-f] [-n] [-F] <pool | id> [newpool]
1935 *
1936 * -c Read pool information from a cachefile instead of searching
1937 * devices.
1938 *
1939 * -d Scan in a specific directory, other than /dev/dsk. More than
1940 * one directory can be specified using multiple '-d' options.
1941 *
1942 * -D Scan for previously destroyed pools or import all or only
1943 * specified destroyed pools.
1944 *
1945 * -R Temporarily import the pool, with all mountpoints relative to
1946 * the given root. The pool will remain exported when the machine
1947 * is rebooted.
1948 *
1949 * -V Import even in the presence of faulted vdevs. This is an
1950 * intentionally undocumented option for testing purposes, and
1951 * treats the pool configuration as complete, leaving any bad
1952 * vdevs in the FAULTED state. In other words, it does verbatim
1953 * import.
1954 *
1955 * -f Force import, even if it appears that the pool is active.
1956 *
1957 * -F Attempt rewind if necessary.
1958 *
1959 * -n See if rewind would work, but don't actually rewind.
1960 *
1961 * -N Import the pool but don't mount datasets.
1962 *
1963 * -T Specify a starting txg to use for import. This option is
1964 * intentionally undocumented option for testing purposes.
1965 *
1966 * -a Import all pools found.
1967 *
1968 * -o Set property=value and/or temporary mount options (without '=').
1969 *
1970 * The import command scans for pools to import, and import pools based on pool
1971 * name and GUID. The pool can also be renamed as part of the import process.
1972 */
1973 int
zpool_do_import(int argc,char ** argv)1974 zpool_do_import(int argc, char **argv)
1975 {
1976 char **searchdirs = NULL;
1977 int nsearch = 0;
1978 int c;
1979 int err = 0;
1980 nvlist_t *pools = NULL;
1981 boolean_t do_all = B_FALSE;
1982 boolean_t do_destroyed = B_FALSE;
1983 char *mntopts = NULL;
1984 nvpair_t *elem;
1985 nvlist_t *config;
1986 uint64_t searchguid = 0;
1987 char *searchname = NULL;
1988 char *propval;
1989 nvlist_t *found_config;
1990 nvlist_t *policy = NULL;
1991 nvlist_t *props = NULL;
1992 boolean_t first;
1993 int flags = ZFS_IMPORT_NORMAL;
1994 uint32_t rewind_policy = ZPOOL_NO_REWIND;
1995 boolean_t dryrun = B_FALSE;
1996 boolean_t do_rewind = B_FALSE;
1997 boolean_t xtreme_rewind = B_FALSE;
1998 uint64_t pool_state, txg = -1ULL;
1999 char *cachefile = NULL;
2000 importargs_t idata = { 0 };
2001 char *endptr;
2002
2003 /* check options */
2004 while ((c = getopt(argc, argv, ":aCc:d:DEfFmnNo:R:T:VX")) != -1) {
2005 switch (c) {
2006 case 'a':
2007 do_all = B_TRUE;
2008 break;
2009 case 'c':
2010 cachefile = optarg;
2011 break;
2012 case 'd':
2013 if (searchdirs == NULL) {
2014 searchdirs = safe_malloc(sizeof (char *));
2015 } else {
2016 char **tmp = safe_malloc((nsearch + 1) *
2017 sizeof (char *));
2018 bcopy(searchdirs, tmp, nsearch *
2019 sizeof (char *));
2020 free(searchdirs);
2021 searchdirs = tmp;
2022 }
2023 searchdirs[nsearch++] = optarg;
2024 break;
2025 case 'D':
2026 do_destroyed = B_TRUE;
2027 break;
2028 case 'f':
2029 flags |= ZFS_IMPORT_ANY_HOST;
2030 break;
2031 case 'F':
2032 do_rewind = B_TRUE;
2033 break;
2034 case 'm':
2035 flags |= ZFS_IMPORT_MISSING_LOG;
2036 break;
2037 case 'n':
2038 dryrun = B_TRUE;
2039 break;
2040 case 'N':
2041 flags |= ZFS_IMPORT_ONLY;
2042 break;
2043 case 'o':
2044 if ((propval = strchr(optarg, '=')) != NULL) {
2045 *propval = '\0';
2046 propval++;
2047 if (add_prop_list(optarg, propval,
2048 &props, B_TRUE))
2049 goto error;
2050 } else {
2051 mntopts = optarg;
2052 }
2053 break;
2054 case 'R':
2055 if (add_prop_list(zpool_prop_to_name(
2056 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE))
2057 goto error;
2058 if (nvlist_lookup_string(props,
2059 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE),
2060 &propval) == 0)
2061 break;
2062 if (add_prop_list(zpool_prop_to_name(
2063 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE))
2064 goto error;
2065 break;
2066 case 'T':
2067 errno = 0;
2068 txg = strtoull(optarg, &endptr, 0);
2069 if (errno != 0 || *endptr != '\0') {
2070 (void) fprintf(stderr,
2071 gettext("invalid txg value\n"));
2072 usage(B_FALSE);
2073 }
2074 rewind_policy = ZPOOL_DO_REWIND | ZPOOL_EXTREME_REWIND;
2075 break;
2076 case 'V':
2077 flags |= ZFS_IMPORT_VERBATIM;
2078 break;
2079 case 'X':
2080 xtreme_rewind = B_TRUE;
2081 break;
2082 case ':':
2083 (void) fprintf(stderr, gettext("missing argument for "
2084 "'%c' option\n"), optopt);
2085 usage(B_FALSE);
2086 break;
2087 case '?':
2088 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2089 optopt);
2090 usage(B_FALSE);
2091 }
2092 }
2093
2094 argc -= optind;
2095 argv += optind;
2096
2097 if (cachefile && nsearch != 0) {
2098 (void) fprintf(stderr, gettext("-c is incompatible with -d\n"));
2099 usage(B_FALSE);
2100 }
2101
2102 if ((dryrun || xtreme_rewind) && !do_rewind) {
2103 (void) fprintf(stderr,
2104 gettext("-n or -X only meaningful with -F\n"));
2105 usage(B_FALSE);
2106 }
2107 if (dryrun)
2108 rewind_policy = ZPOOL_TRY_REWIND;
2109 else if (do_rewind)
2110 rewind_policy = ZPOOL_DO_REWIND;
2111 if (xtreme_rewind)
2112 rewind_policy |= ZPOOL_EXTREME_REWIND;
2113
2114 /* In the future, we can capture further policy and include it here */
2115 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 ||
2116 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, txg) != 0 ||
2117 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0)
2118 goto error;
2119
2120 if (searchdirs == NULL) {
2121 searchdirs = safe_malloc(sizeof (char *));
2122 searchdirs[0] = "/dev";
2123 nsearch = 1;
2124 }
2125
2126 /* check argument count */
2127 if (do_all) {
2128 if (argc != 0) {
2129 (void) fprintf(stderr, gettext("too many arguments\n"));
2130 usage(B_FALSE);
2131 }
2132 } else {
2133 if (argc > 2) {
2134 (void) fprintf(stderr, gettext("too many arguments\n"));
2135 usage(B_FALSE);
2136 }
2137
2138 /*
2139 * Check for the SYS_CONFIG privilege. We do this explicitly
2140 * here because otherwise any attempt to discover pools will
2141 * silently fail.
2142 */
2143 if (argc == 0 && !priv_ineffect(PRIV_SYS_CONFIG)) {
2144 (void) fprintf(stderr, gettext("cannot "
2145 "discover pools: permission denied\n"));
2146 free(searchdirs);
2147 nvlist_free(policy);
2148 return (1);
2149 }
2150 }
2151
2152 /*
2153 * Depending on the arguments given, we do one of the following:
2154 *
2155 * <none> Iterate through all pools and display information about
2156 * each one.
2157 *
2158 * -a Iterate through all pools and try to import each one.
2159 *
2160 * <id> Find the pool that corresponds to the given GUID/pool
2161 * name and import that one.
2162 *
2163 * -D Above options applies only to destroyed pools.
2164 */
2165 if (argc != 0) {
2166 char *endptr;
2167
2168 errno = 0;
2169 searchguid = strtoull(argv[0], &endptr, 10);
2170 if (errno != 0 || *endptr != '\0') {
2171 searchname = argv[0];
2172 searchguid = 0;
2173 }
2174 found_config = NULL;
2175
2176 /*
2177 * User specified a name or guid. Ensure it's unique.
2178 */
2179 idata.unique = B_TRUE;
2180 }
2181
2182
2183 idata.path = searchdirs;
2184 idata.paths = nsearch;
2185 idata.poolname = searchname;
2186 idata.guid = searchguid;
2187 idata.cachefile = cachefile;
2188
2189 pools = zpool_search_import(g_zfs, &idata);
2190
2191 if (pools != NULL && idata.exists &&
2192 (argc == 1 || strcmp(argv[0], argv[1]) == 0)) {
2193 (void) fprintf(stderr, gettext("cannot import '%s': "
2194 "a pool with that name already exists\n"),
2195 argv[0]);
2196 (void) fprintf(stderr, gettext("use the form '%s "
2197 "<pool | id> <newpool>' to give it a new name\n"),
2198 "zpool import");
2199 err = 1;
2200 } else if (pools == NULL && idata.exists) {
2201 (void) fprintf(stderr, gettext("cannot import '%s': "
2202 "a pool with that name is already created/imported,\n"),
2203 argv[0]);
2204 (void) fprintf(stderr, gettext("and no additional pools "
2205 "with that name were found\n"));
2206 err = 1;
2207 } else if (pools == NULL) {
2208 if (argc != 0) {
2209 (void) fprintf(stderr, gettext("cannot import '%s': "
2210 "no such pool available\n"), argv[0]);
2211 }
2212 err = 1;
2213 }
2214
2215 if (err == 1) {
2216 free(searchdirs);
2217 nvlist_free(policy);
2218 return (1);
2219 }
2220
2221 /*
2222 * At this point we have a list of import candidate configs. Even if
2223 * we were searching by pool name or guid, we still need to
2224 * post-process the list to deal with pool state and possible
2225 * duplicate names.
2226 */
2227 err = 0;
2228 elem = NULL;
2229 first = B_TRUE;
2230 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) {
2231
2232 verify(nvpair_value_nvlist(elem, &config) == 0);
2233
2234 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE,
2235 &pool_state) == 0);
2236 if (!do_destroyed && pool_state == POOL_STATE_DESTROYED)
2237 continue;
2238 if (do_destroyed && pool_state != POOL_STATE_DESTROYED)
2239 continue;
2240
2241 verify(nvlist_add_nvlist(config, ZPOOL_REWIND_POLICY,
2242 policy) == 0);
2243
2244 if (argc == 0) {
2245 if (first)
2246 first = B_FALSE;
2247 else if (!do_all)
2248 (void) printf("\n");
2249
2250 if (do_all) {
2251 err |= do_import(config, NULL, mntopts,
2252 props, flags);
2253 } else {
2254 show_import(config);
2255 }
2256 } else if (searchname != NULL) {
2257 char *name;
2258
2259 /*
2260 * We are searching for a pool based on name.
2261 */
2262 verify(nvlist_lookup_string(config,
2263 ZPOOL_CONFIG_POOL_NAME, &name) == 0);
2264
2265 if (strcmp(name, searchname) == 0) {
2266 if (found_config != NULL) {
2267 (void) fprintf(stderr, gettext(
2268 "cannot import '%s': more than "
2269 "one matching pool\n"), searchname);
2270 (void) fprintf(stderr, gettext(
2271 "import by numeric ID instead\n"));
2272 err = B_TRUE;
2273 }
2274 found_config = config;
2275 }
2276 } else {
2277 uint64_t guid;
2278
2279 /*
2280 * Search for a pool by guid.
2281 */
2282 verify(nvlist_lookup_uint64(config,
2283 ZPOOL_CONFIG_POOL_GUID, &guid) == 0);
2284
2285 if (guid == searchguid)
2286 found_config = config;
2287 }
2288 }
2289
2290 /*
2291 * If we were searching for a specific pool, verify that we found a
2292 * pool, and then do the import.
2293 */
2294 if (argc != 0 && err == 0) {
2295 if (found_config == NULL) {
2296 (void) fprintf(stderr, gettext("cannot import '%s': "
2297 "no such pool available\n"), argv[0]);
2298 err = B_TRUE;
2299 } else {
2300 err |= do_import(found_config, argc == 1 ? NULL :
2301 argv[1], mntopts, props, flags);
2302 }
2303 }
2304
2305 /*
2306 * If we were just looking for pools, report an error if none were
2307 * found.
2308 */
2309 if (argc == 0 && first)
2310 (void) fprintf(stderr,
2311 gettext("no pools available to import\n"));
2312
2313 error:
2314 nvlist_free(props);
2315 nvlist_free(pools);
2316 nvlist_free(policy);
2317 free(searchdirs);
2318
2319 return (err ? 1 : 0);
2320 }
2321
2322 typedef struct iostat_cbdata {
2323 boolean_t cb_verbose;
2324 int cb_namewidth;
2325 int cb_iteration;
2326 zpool_list_t *cb_list;
2327 } iostat_cbdata_t;
2328
2329 static void
print_iostat_separator(iostat_cbdata_t * cb)2330 print_iostat_separator(iostat_cbdata_t *cb)
2331 {
2332 int i = 0;
2333
2334 for (i = 0; i < cb->cb_namewidth; i++)
2335 (void) printf("-");
2336 (void) printf(" ----- ----- ----- ----- ----- -----\n");
2337 }
2338
2339 static void
print_iostat_header(iostat_cbdata_t * cb)2340 print_iostat_header(iostat_cbdata_t *cb)
2341 {
2342 (void) printf("%*s capacity operations bandwidth\n",
2343 cb->cb_namewidth, "");
2344 (void) printf("%-*s alloc free read write read write\n",
2345 cb->cb_namewidth, "pool");
2346 print_iostat_separator(cb);
2347 }
2348
2349 /*
2350 * Display a single statistic.
2351 */
2352 static void
print_one_stat(uint64_t value)2353 print_one_stat(uint64_t value)
2354 {
2355 char buf[64];
2356
2357 zfs_nicenum(value, buf, sizeof (buf));
2358 (void) printf(" %5s", buf);
2359 }
2360
2361 /*
2362 * Print out all the statistics for the given vdev. This can either be the
2363 * toplevel configuration, or called recursively. If 'name' is NULL, then this
2364 * is a verbose output, and we don't want to display the toplevel pool stats.
2365 */
2366 void
print_vdev_stats(zpool_handle_t * zhp,const char * name,nvlist_t * oldnv,nvlist_t * newnv,iostat_cbdata_t * cb,int depth)2367 print_vdev_stats(zpool_handle_t *zhp, const char *name, nvlist_t *oldnv,
2368 nvlist_t *newnv, iostat_cbdata_t *cb, int depth)
2369 {
2370 nvlist_t **oldchild, **newchild;
2371 uint_t c, children;
2372 vdev_stat_t *oldvs, *newvs;
2373 vdev_stat_t zerovs = { 0 };
2374 uint64_t tdelta;
2375 double scale;
2376 char *vname;
2377
2378 if (oldnv != NULL) {
2379 verify(nvlist_lookup_uint64_array(oldnv,
2380 ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&oldvs, &c) == 0);
2381 } else {
2382 oldvs = &zerovs;
2383 }
2384
2385 verify(nvlist_lookup_uint64_array(newnv, ZPOOL_CONFIG_VDEV_STATS,
2386 (uint64_t **)&newvs, &c) == 0);
2387
2388 if (strlen(name) + depth > cb->cb_namewidth)
2389 (void) printf("%*s%s", depth, "", name);
2390 else
2391 (void) printf("%*s%s%*s", depth, "", name,
2392 (int)(cb->cb_namewidth - strlen(name) - depth), "");
2393
2394 tdelta = newvs->vs_timestamp - oldvs->vs_timestamp;
2395
2396 if (tdelta == 0)
2397 scale = 1.0;
2398 else
2399 scale = (double)NANOSEC / tdelta;
2400
2401 /* only toplevel vdevs have capacity stats */
2402 if (newvs->vs_space == 0) {
2403 (void) printf(" - -");
2404 } else {
2405 print_one_stat(newvs->vs_alloc);
2406 print_one_stat(newvs->vs_space - newvs->vs_alloc);
2407 }
2408
2409 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_READ] -
2410 oldvs->vs_ops[ZIO_TYPE_READ])));
2411
2412 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_WRITE] -
2413 oldvs->vs_ops[ZIO_TYPE_WRITE])));
2414
2415 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_READ] -
2416 oldvs->vs_bytes[ZIO_TYPE_READ])));
2417
2418 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_WRITE] -
2419 oldvs->vs_bytes[ZIO_TYPE_WRITE])));
2420
2421 (void) printf("\n");
2422
2423 if (!cb->cb_verbose)
2424 return;
2425
2426 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_CHILDREN,
2427 &newchild, &children) != 0)
2428 return;
2429
2430 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_CHILDREN,
2431 &oldchild, &c) != 0)
2432 return;
2433
2434 for (c = 0; c < children; c++) {
2435 uint64_t ishole = B_FALSE, islog = B_FALSE;
2436
2437 (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_HOLE,
2438 &ishole);
2439
2440 (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_LOG,
2441 &islog);
2442
2443 if (ishole || islog)
2444 continue;
2445
2446 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], B_FALSE);
2447 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL,
2448 newchild[c], cb, depth + 2);
2449 free(vname);
2450 }
2451
2452 /*
2453 * Log device section
2454 */
2455
2456 if (num_logs(newnv) > 0) {
2457 (void) printf("%-*s - - - - - "
2458 "-\n", cb->cb_namewidth, "logs");
2459
2460 for (c = 0; c < children; c++) {
2461 uint64_t islog = B_FALSE;
2462 (void) nvlist_lookup_uint64(newchild[c],
2463 ZPOOL_CONFIG_IS_LOG, &islog);
2464
2465 if (islog) {
2466 vname = zpool_vdev_name(g_zfs, zhp, newchild[c],
2467 B_FALSE);
2468 print_vdev_stats(zhp, vname, oldnv ?
2469 oldchild[c] : NULL, newchild[c],
2470 cb, depth + 2);
2471 free(vname);
2472 }
2473 }
2474
2475 }
2476
2477 /*
2478 * Include level 2 ARC devices in iostat output
2479 */
2480 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_L2CACHE,
2481 &newchild, &children) != 0)
2482 return;
2483
2484 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_L2CACHE,
2485 &oldchild, &c) != 0)
2486 return;
2487
2488 if (children > 0) {
2489 (void) printf("%-*s - - - - - "
2490 "-\n", cb->cb_namewidth, "cache");
2491 for (c = 0; c < children; c++) {
2492 vname = zpool_vdev_name(g_zfs, zhp, newchild[c],
2493 B_FALSE);
2494 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL,
2495 newchild[c], cb, depth + 2);
2496 free(vname);
2497 }
2498 }
2499 }
2500
2501 static int
refresh_iostat(zpool_handle_t * zhp,void * data)2502 refresh_iostat(zpool_handle_t *zhp, void *data)
2503 {
2504 iostat_cbdata_t *cb = data;
2505 boolean_t missing;
2506
2507 /*
2508 * If the pool has disappeared, remove it from the list and continue.
2509 */
2510 if (zpool_refresh_stats(zhp, &missing) != 0)
2511 return (-1);
2512
2513 if (missing)
2514 pool_list_remove(cb->cb_list, zhp);
2515
2516 return (0);
2517 }
2518
2519 /*
2520 * Callback to print out the iostats for the given pool.
2521 */
2522 int
print_iostat(zpool_handle_t * zhp,void * data)2523 print_iostat(zpool_handle_t *zhp, void *data)
2524 {
2525 iostat_cbdata_t *cb = data;
2526 nvlist_t *oldconfig, *newconfig;
2527 nvlist_t *oldnvroot, *newnvroot;
2528
2529 newconfig = zpool_get_config(zhp, &oldconfig);
2530
2531 if (cb->cb_iteration == 1)
2532 oldconfig = NULL;
2533
2534 verify(nvlist_lookup_nvlist(newconfig, ZPOOL_CONFIG_VDEV_TREE,
2535 &newnvroot) == 0);
2536
2537 if (oldconfig == NULL)
2538 oldnvroot = NULL;
2539 else
2540 verify(nvlist_lookup_nvlist(oldconfig, ZPOOL_CONFIG_VDEV_TREE,
2541 &oldnvroot) == 0);
2542
2543 /*
2544 * Print out the statistics for the pool.
2545 */
2546 print_vdev_stats(zhp, zpool_get_name(zhp), oldnvroot, newnvroot, cb, 0);
2547
2548 if (cb->cb_verbose)
2549 print_iostat_separator(cb);
2550
2551 return (0);
2552 }
2553
2554 int
get_namewidth(zpool_handle_t * zhp,void * data)2555 get_namewidth(zpool_handle_t *zhp, void *data)
2556 {
2557 iostat_cbdata_t *cb = data;
2558 nvlist_t *config, *nvroot;
2559
2560 if ((config = zpool_get_config(zhp, NULL)) != NULL) {
2561 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
2562 &nvroot) == 0);
2563 if (!cb->cb_verbose)
2564 cb->cb_namewidth = strlen(zpool_get_name(zhp));
2565 else
2566 cb->cb_namewidth = max_width(zhp, nvroot, 0,
2567 cb->cb_namewidth);
2568 }
2569
2570 /*
2571 * The width must fall into the range [10,38]. The upper limit is the
2572 * maximum we can have and still fit in 80 columns.
2573 */
2574 if (cb->cb_namewidth < 10)
2575 cb->cb_namewidth = 10;
2576 if (cb->cb_namewidth > 38)
2577 cb->cb_namewidth = 38;
2578
2579 return (0);
2580 }
2581
2582 /*
2583 * Parse the input string, get the 'interval' and 'count' value if there is one.
2584 */
2585 static void
get_interval_count(int * argcp,char ** argv,unsigned long * iv,unsigned long * cnt)2586 get_interval_count(int *argcp, char **argv, unsigned long *iv,
2587 unsigned long *cnt)
2588 {
2589 unsigned long interval = 0, count = 0;
2590 int argc = *argcp, errno;
2591
2592 /*
2593 * Determine if the last argument is an integer or a pool name
2594 */
2595 if (argc > 0 && isdigit(argv[argc - 1][0])) {
2596 char *end;
2597
2598 errno = 0;
2599 interval = strtoul(argv[argc - 1], &end, 10);
2600
2601 if (*end == '\0' && errno == 0) {
2602 if (interval == 0) {
2603 (void) fprintf(stderr, gettext("interval "
2604 "cannot be zero\n"));
2605 usage(B_FALSE);
2606 }
2607 /*
2608 * Ignore the last parameter
2609 */
2610 argc--;
2611 } else {
2612 /*
2613 * If this is not a valid number, just plow on. The
2614 * user will get a more informative error message later
2615 * on.
2616 */
2617 interval = 0;
2618 }
2619 }
2620
2621 /*
2622 * If the last argument is also an integer, then we have both a count
2623 * and an interval.
2624 */
2625 if (argc > 0 && isdigit(argv[argc - 1][0])) {
2626 char *end;
2627
2628 errno = 0;
2629 count = interval;
2630 interval = strtoul(argv[argc - 1], &end, 10);
2631
2632 if (*end == '\0' && errno == 0) {
2633 if (interval == 0) {
2634 (void) fprintf(stderr, gettext("interval "
2635 "cannot be zero\n"));
2636 usage(B_FALSE);
2637 }
2638
2639 /*
2640 * Ignore the last parameter
2641 */
2642 argc--;
2643 } else {
2644 interval = 0;
2645 }
2646 }
2647
2648 *iv = interval;
2649 *cnt = count;
2650 *argcp = argc;
2651 }
2652
2653 static void
get_timestamp_arg(char c)2654 get_timestamp_arg(char c)
2655 {
2656 if (c == 'u')
2657 timestamp_fmt = UDATE;
2658 else if (c == 'd')
2659 timestamp_fmt = DDATE;
2660 else
2661 usage(B_FALSE);
2662 }
2663
2664 /*
2665 * zpool iostat [-v] [-T d|u] [pool] ... [interval [count]]
2666 *
2667 * -v Display statistics for individual vdevs
2668 * -T Display a timestamp in date(1) or Unix format
2669 *
2670 * This command can be tricky because we want to be able to deal with pool
2671 * creation/destruction as well as vdev configuration changes. The bulk of this
2672 * processing is handled by the pool_list_* routines in zpool_iter.c. We rely
2673 * on pool_list_update() to detect the addition of new pools. Configuration
2674 * changes are all handled within libzfs.
2675 */
2676 int
zpool_do_iostat(int argc,char ** argv)2677 zpool_do_iostat(int argc, char **argv)
2678 {
2679 int c;
2680 int ret;
2681 int npools;
2682 unsigned long interval = 0, count = 0;
2683 zpool_list_t *list;
2684 boolean_t verbose = B_FALSE;
2685 iostat_cbdata_t cb;
2686
2687 /* check options */
2688 while ((c = getopt(argc, argv, "T:v")) != -1) {
2689 switch (c) {
2690 case 'T':
2691 get_timestamp_arg(*optarg);
2692 break;
2693 case 'v':
2694 verbose = B_TRUE;
2695 break;
2696 case '?':
2697 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2698 optopt);
2699 usage(B_FALSE);
2700 }
2701 }
2702
2703 argc -= optind;
2704 argv += optind;
2705
2706 get_interval_count(&argc, argv, &interval, &count);
2707
2708 /*
2709 * Construct the list of all interesting pools.
2710 */
2711 ret = 0;
2712 if ((list = pool_list_get(argc, argv, NULL, &ret)) == NULL)
2713 return (1);
2714
2715 if (pool_list_count(list) == 0 && argc != 0) {
2716 pool_list_free(list);
2717 return (1);
2718 }
2719
2720 if (pool_list_count(list) == 0 && interval == 0) {
2721 pool_list_free(list);
2722 (void) fprintf(stderr, gettext("no pools available\n"));
2723 return (1);
2724 }
2725
2726 /*
2727 * Enter the main iostat loop.
2728 */
2729 cb.cb_list = list;
2730 cb.cb_verbose = verbose;
2731 cb.cb_iteration = 0;
2732 cb.cb_namewidth = 0;
2733
2734 for (;;) {
2735 pool_list_update(list);
2736
2737 if ((npools = pool_list_count(list)) == 0)
2738 break;
2739
2740 /*
2741 * Refresh all statistics. This is done as an explicit step
2742 * before calculating the maximum name width, so that any
2743 * configuration changes are properly accounted for.
2744 */
2745 (void) pool_list_iter(list, B_FALSE, refresh_iostat, &cb);
2746
2747 /*
2748 * Iterate over all pools to determine the maximum width
2749 * for the pool / device name column across all pools.
2750 */
2751 cb.cb_namewidth = 0;
2752 (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb);
2753
2754 if (timestamp_fmt != NODATE)
2755 print_timestamp(timestamp_fmt);
2756
2757 /*
2758 * If it's the first time, or verbose mode, print the header.
2759 */
2760 if (++cb.cb_iteration == 1 || verbose)
2761 print_iostat_header(&cb);
2762
2763 (void) pool_list_iter(list, B_FALSE, print_iostat, &cb);
2764
2765 /*
2766 * If there's more than one pool, and we're not in verbose mode
2767 * (which prints a separator for us), then print a separator.
2768 */
2769 if (npools > 1 && !verbose)
2770 print_iostat_separator(&cb);
2771
2772 if (verbose)
2773 (void) printf("\n");
2774
2775 /*
2776 * Flush the output so that redirection to a file isn't buffered
2777 * indefinitely.
2778 */
2779 (void) fflush(stdout);
2780
2781 if (interval == 0)
2782 break;
2783
2784 if (count != 0 && --count == 0)
2785 break;
2786
2787 (void) sleep(interval);
2788 }
2789
2790 pool_list_free(list);
2791
2792 return (ret);
2793 }
2794
2795 typedef struct list_cbdata {
2796 boolean_t cb_verbose;
2797 int cb_namewidth;
2798 boolean_t cb_scripted;
2799 zprop_list_t *cb_proplist;
2800 boolean_t cb_literal;
2801 } list_cbdata_t;
2802
2803 /*
2804 * Given a list of columns to display, output appropriate headers for each one.
2805 */
2806 static void
print_header(list_cbdata_t * cb)2807 print_header(list_cbdata_t *cb)
2808 {
2809 zprop_list_t *pl = cb->cb_proplist;
2810 char headerbuf[ZPOOL_MAXPROPLEN];
2811 const char *header;
2812 boolean_t first = B_TRUE;
2813 boolean_t right_justify;
2814 size_t width = 0;
2815
2816 for (; pl != NULL; pl = pl->pl_next) {
2817 width = pl->pl_width;
2818 if (first && cb->cb_verbose) {
2819 /*
2820 * Reset the width to accommodate the verbose listing
2821 * of devices.
2822 */
2823 width = cb->cb_namewidth;
2824 }
2825
2826 if (!first)
2827 (void) printf(" ");
2828 else
2829 first = B_FALSE;
2830
2831 right_justify = B_FALSE;
2832 if (pl->pl_prop != ZPROP_INVAL) {
2833 header = zpool_prop_column_name(pl->pl_prop);
2834 right_justify = zpool_prop_align_right(pl->pl_prop);
2835 } else {
2836 int i;
2837
2838 for (i = 0; pl->pl_user_prop[i] != '\0'; i++)
2839 headerbuf[i] = toupper(pl->pl_user_prop[i]);
2840 headerbuf[i] = '\0';
2841 header = headerbuf;
2842 }
2843
2844 if (pl->pl_next == NULL && !right_justify)
2845 (void) printf("%s", header);
2846 else if (right_justify)
2847 (void) printf("%*s", width, header);
2848 else
2849 (void) printf("%-*s", width, header);
2850
2851 }
2852
2853 (void) printf("\n");
2854 }
2855
2856 /*
2857 * Given a pool and a list of properties, print out all the properties according
2858 * to the described layout.
2859 */
2860 static void
print_pool(zpool_handle_t * zhp,list_cbdata_t * cb)2861 print_pool(zpool_handle_t *zhp, list_cbdata_t *cb)
2862 {
2863 zprop_list_t *pl = cb->cb_proplist;
2864 boolean_t first = B_TRUE;
2865 char property[ZPOOL_MAXPROPLEN];
2866 char *propstr;
2867 boolean_t right_justify;
2868 size_t width;
2869
2870 for (; pl != NULL; pl = pl->pl_next) {
2871
2872 width = pl->pl_width;
2873 if (first && cb->cb_verbose) {
2874 /*
2875 * Reset the width to accommodate the verbose listing
2876 * of devices.
2877 */
2878 width = cb->cb_namewidth;
2879 }
2880
2881 if (!first) {
2882 if (cb->cb_scripted)
2883 (void) printf("\t");
2884 else
2885 (void) printf(" ");
2886 } else {
2887 first = B_FALSE;
2888 }
2889
2890 right_justify = B_FALSE;
2891 if (pl->pl_prop != ZPROP_INVAL) {
2892 if (zpool_get_prop(zhp, pl->pl_prop, property,
2893 sizeof (property), NULL, cb->cb_literal) != 0)
2894 propstr = "-";
2895 else
2896 propstr = property;
2897
2898 right_justify = zpool_prop_align_right(pl->pl_prop);
2899 } else if ((zpool_prop_feature(pl->pl_user_prop) ||
2900 zpool_prop_unsupported(pl->pl_user_prop)) &&
2901 zpool_prop_get_feature(zhp, pl->pl_user_prop, property,
2902 sizeof (property)) == 0) {
2903 propstr = property;
2904 } else {
2905 propstr = "-";
2906 }
2907
2908
2909 /*
2910 * If this is being called in scripted mode, or if this is the
2911 * last column and it is left-justified, don't include a width
2912 * format specifier.
2913 */
2914 if (cb->cb_scripted || (pl->pl_next == NULL && !right_justify))
2915 (void) printf("%s", propstr);
2916 else if (right_justify)
2917 (void) printf("%*s", width, propstr);
2918 else
2919 (void) printf("%-*s", width, propstr);
2920 }
2921
2922 (void) printf("\n");
2923 }
2924
2925 static void
print_one_column(zpool_prop_t prop,uint64_t value,boolean_t scripted,boolean_t valid)2926 print_one_column(zpool_prop_t prop, uint64_t value, boolean_t scripted,
2927 boolean_t valid)
2928 {
2929 char propval[64];
2930 boolean_t fixed;
2931 size_t width = zprop_width(prop, &fixed, ZFS_TYPE_POOL);
2932
2933 switch (prop) {
2934 case ZPOOL_PROP_EXPANDSZ:
2935 if (value == 0)
2936 (void) strlcpy(propval, "-", sizeof (propval));
2937 else
2938 zfs_nicenum(value, propval, sizeof (propval));
2939 break;
2940 case ZPOOL_PROP_FRAGMENTATION:
2941 if (value == ZFS_FRAG_INVALID) {
2942 (void) strlcpy(propval, "-", sizeof (propval));
2943 } else {
2944 (void) snprintf(propval, sizeof (propval), "%llu%%",
2945 value);
2946 }
2947 break;
2948 case ZPOOL_PROP_CAPACITY:
2949 (void) snprintf(propval, sizeof (propval), "%llu%%", value);
2950 break;
2951 default:
2952 zfs_nicenum(value, propval, sizeof (propval));
2953 }
2954
2955 if (!valid)
2956 (void) strlcpy(propval, "-", sizeof (propval));
2957
2958 if (scripted)
2959 (void) printf("\t%s", propval);
2960 else
2961 (void) printf(" %*s", width, propval);
2962 }
2963
2964 void
print_list_stats(zpool_handle_t * zhp,const char * name,nvlist_t * nv,list_cbdata_t * cb,int depth)2965 print_list_stats(zpool_handle_t *zhp, const char *name, nvlist_t *nv,
2966 list_cbdata_t *cb, int depth)
2967 {
2968 nvlist_t **child;
2969 vdev_stat_t *vs;
2970 uint_t c, children;
2971 char *vname;
2972 boolean_t scripted = cb->cb_scripted;
2973 uint64_t islog = B_FALSE;
2974 boolean_t haslog = B_FALSE;
2975 char *dashes = "%-*s - - - - - -\n";
2976
2977 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS,
2978 (uint64_t **)&vs, &c) == 0);
2979
2980 if (name != NULL) {
2981 boolean_t toplevel = (vs->vs_space != 0);
2982 uint64_t cap;
2983
2984 if (scripted)
2985 (void) printf("\t%s", name);
2986 else if (strlen(name) + depth > cb->cb_namewidth)
2987 (void) printf("%*s%s", depth, "", name);
2988 else
2989 (void) printf("%*s%s%*s", depth, "", name,
2990 (int)(cb->cb_namewidth - strlen(name) - depth), "");
2991
2992 /*
2993 * Print the properties for the individual vdevs. Some
2994 * properties are only applicable to toplevel vdevs. The
2995 * 'toplevel' boolean value is passed to the print_one_column()
2996 * to indicate that the value is valid.
2997 */
2998 print_one_column(ZPOOL_PROP_SIZE, vs->vs_space, scripted,
2999 toplevel);
3000 print_one_column(ZPOOL_PROP_ALLOCATED, vs->vs_alloc, scripted,
3001 toplevel);
3002 print_one_column(ZPOOL_PROP_FREE, vs->vs_space - vs->vs_alloc,
3003 scripted, toplevel);
3004 print_one_column(ZPOOL_PROP_EXPANDSZ, vs->vs_esize, scripted,
3005 B_TRUE);
3006 print_one_column(ZPOOL_PROP_FRAGMENTATION,
3007 vs->vs_fragmentation, scripted,
3008 (vs->vs_fragmentation != ZFS_FRAG_INVALID && toplevel));
3009 cap = (vs->vs_space == 0) ? 0 :
3010 (vs->vs_alloc * 100 / vs->vs_space);
3011 print_one_column(ZPOOL_PROP_CAPACITY, cap, scripted, toplevel);
3012 (void) printf("\n");
3013 }
3014
3015 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
3016 &child, &children) != 0)
3017 return;
3018
3019 for (c = 0; c < children; c++) {
3020 uint64_t ishole = B_FALSE;
3021
3022 if (nvlist_lookup_uint64(child[c],
3023 ZPOOL_CONFIG_IS_HOLE, &ishole) == 0 && ishole)
3024 continue;
3025
3026 if (nvlist_lookup_uint64(child[c],
3027 ZPOOL_CONFIG_IS_LOG, &islog) == 0 && islog) {
3028 haslog = B_TRUE;
3029 continue;
3030 }
3031
3032 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE);
3033 print_list_stats(zhp, vname, child[c], cb, depth + 2);
3034 free(vname);
3035 }
3036
3037 if (haslog == B_TRUE) {
3038 /* LINTED E_SEC_PRINTF_VAR_FMT */
3039 (void) printf(dashes, cb->cb_namewidth, "log");
3040 for (c = 0; c < children; c++) {
3041 if (nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
3042 &islog) != 0 || !islog)
3043 continue;
3044 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE);
3045 print_list_stats(zhp, vname, child[c], cb, depth + 2);
3046 free(vname);
3047 }
3048 }
3049
3050 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE,
3051 &child, &children) == 0 && children > 0) {
3052 /* LINTED E_SEC_PRINTF_VAR_FMT */
3053 (void) printf(dashes, cb->cb_namewidth, "cache");
3054 for (c = 0; c < children; c++) {
3055 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE);
3056 print_list_stats(zhp, vname, child[c], cb, depth + 2);
3057 free(vname);
3058 }
3059 }
3060
3061 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, &child,
3062 &children) == 0 && children > 0) {
3063 /* LINTED E_SEC_PRINTF_VAR_FMT */
3064 (void) printf(dashes, cb->cb_namewidth, "spare");
3065 for (c = 0; c < children; c++) {
3066 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE);
3067 print_list_stats(zhp, vname, child[c], cb, depth + 2);
3068 free(vname);
3069 }
3070 }
3071 }
3072
3073
3074 /*
3075 * Generic callback function to list a pool.
3076 */
3077 int
list_callback(zpool_handle_t * zhp,void * data)3078 list_callback(zpool_handle_t *zhp, void *data)
3079 {
3080 list_cbdata_t *cbp = data;
3081 nvlist_t *config;
3082 nvlist_t *nvroot;
3083
3084 config = zpool_get_config(zhp, NULL);
3085
3086 print_pool(zhp, cbp);
3087 if (!cbp->cb_verbose)
3088 return (0);
3089
3090 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
3091 &nvroot) == 0);
3092 print_list_stats(zhp, NULL, nvroot, cbp, 0);
3093
3094 return (0);
3095 }
3096
3097 /*
3098 * zpool list [-Hp] [-o prop[,prop]*] [-T d|u] [pool] ... [interval [count]]
3099 *
3100 * -H Scripted mode. Don't display headers, and separate properties
3101 * by a single tab.
3102 * -o List of properties to display. Defaults to
3103 * "name,size,allocated,free,expandsize,fragmentation,capacity,"
3104 * "dedupratio,health,altroot"
3105 * -p Diplay values in parsable (exact) format.
3106 * -T Display a timestamp in date(1) or Unix format
3107 *
3108 * List all pools in the system, whether or not they're healthy. Output space
3109 * statistics for each one, as well as health status summary.
3110 */
3111 int
zpool_do_list(int argc,char ** argv)3112 zpool_do_list(int argc, char **argv)
3113 {
3114 int c;
3115 int ret;
3116 list_cbdata_t cb = { 0 };
3117 static char default_props[] =
3118 "name,size,allocated,free,expandsize,fragmentation,capacity,"
3119 "dedupratio,health,altroot";
3120 char *props = default_props;
3121 unsigned long interval = 0, count = 0;
3122 zpool_list_t *list;
3123 boolean_t first = B_TRUE;
3124
3125 /* check options */
3126 while ((c = getopt(argc, argv, ":Ho:pT:v")) != -1) {
3127 switch (c) {
3128 case 'H':
3129 cb.cb_scripted = B_TRUE;
3130 break;
3131 case 'o':
3132 props = optarg;
3133 break;
3134 case 'p':
3135 cb.cb_literal = B_TRUE;
3136 break;
3137 case 'T':
3138 get_timestamp_arg(*optarg);
3139 break;
3140 case 'v':
3141 cb.cb_verbose = B_TRUE;
3142 break;
3143 case ':':
3144 (void) fprintf(stderr, gettext("missing argument for "
3145 "'%c' option\n"), optopt);
3146 usage(B_FALSE);
3147 break;
3148 case '?':
3149 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3150 optopt);
3151 usage(B_FALSE);
3152 }
3153 }
3154
3155 argc -= optind;
3156 argv += optind;
3157
3158 get_interval_count(&argc, argv, &interval, &count);
3159
3160 if (zprop_get_list(g_zfs, props, &cb.cb_proplist, ZFS_TYPE_POOL) != 0)
3161 usage(B_FALSE);
3162
3163 for (;;) {
3164 if ((list = pool_list_get(argc, argv, &cb.cb_proplist,
3165 &ret)) == NULL)
3166 return (1);
3167
3168 if (pool_list_count(list) == 0)
3169 break;
3170
3171 cb.cb_namewidth = 0;
3172 (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb);
3173
3174 if (timestamp_fmt != NODATE)
3175 print_timestamp(timestamp_fmt);
3176
3177 if (!cb.cb_scripted && (first || cb.cb_verbose)) {
3178 print_header(&cb);
3179 first = B_FALSE;
3180 }
3181 ret = pool_list_iter(list, B_TRUE, list_callback, &cb);
3182
3183 if (interval == 0)
3184 break;
3185
3186 if (count != 0 && --count == 0)
3187 break;
3188
3189 pool_list_free(list);
3190 (void) sleep(interval);
3191 }
3192
3193 if (argc == 0 && !cb.cb_scripted && pool_list_count(list) == 0) {
3194 (void) printf(gettext("no pools available\n"));
3195 ret = 0;
3196 }
3197
3198 pool_list_free(list);
3199 zprop_free_list(cb.cb_proplist);
3200 return (ret);
3201 }
3202
3203 static int
zpool_do_attach_or_replace(int argc,char ** argv,int replacing)3204 zpool_do_attach_or_replace(int argc, char **argv, int replacing)
3205 {
3206 boolean_t force = B_FALSE;
3207 int c;
3208 nvlist_t *nvroot;
3209 char *poolname, *old_disk, *new_disk;
3210 zpool_handle_t *zhp;
3211 int ret;
3212
3213 /* check options */
3214 while ((c = getopt(argc, argv, "f")) != -1) {
3215 switch (c) {
3216 case 'f':
3217 force = B_TRUE;
3218 break;
3219 case '?':
3220 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3221 optopt);
3222 usage(B_FALSE);
3223 }
3224 }
3225
3226 argc -= optind;
3227 argv += optind;
3228
3229 /* get pool name and check number of arguments */
3230 if (argc < 1) {
3231 (void) fprintf(stderr, gettext("missing pool name argument\n"));
3232 usage(B_FALSE);
3233 }
3234
3235 poolname = argv[0];
3236
3237 if (argc < 2) {
3238 (void) fprintf(stderr,
3239 gettext("missing <device> specification\n"));
3240 usage(B_FALSE);
3241 }
3242
3243 old_disk = argv[1];
3244
3245 if (argc < 3) {
3246 if (!replacing) {
3247 (void) fprintf(stderr,
3248 gettext("missing <new_device> specification\n"));
3249 usage(B_FALSE);
3250 }
3251 new_disk = old_disk;
3252 argc -= 1;
3253 argv += 1;
3254 } else {
3255 new_disk = argv[2];
3256 argc -= 2;
3257 argv += 2;
3258 }
3259
3260 if (argc > 1) {
3261 (void) fprintf(stderr, gettext("too many arguments\n"));
3262 usage(B_FALSE);
3263 }
3264
3265 if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
3266 return (1);
3267
3268 if (zpool_get_config(zhp, NULL) == NULL) {
3269 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"),
3270 poolname);
3271 zpool_close(zhp);
3272 return (1);
3273 }
3274
3275 nvroot = make_root_vdev(zhp, force, B_FALSE, replacing, B_FALSE,
3276 argc, argv);
3277 if (nvroot == NULL) {
3278 zpool_close(zhp);
3279 return (1);
3280 }
3281
3282 ret = zpool_vdev_attach(zhp, old_disk, new_disk, nvroot, replacing);
3283
3284 nvlist_free(nvroot);
3285 zpool_close(zhp);
3286
3287 return (ret);
3288 }
3289
3290 /*
3291 * zpool replace [-f] <pool> <device> <new_device>
3292 *
3293 * -f Force attach, even if <new_device> appears to be in use.
3294 *
3295 * Replace <device> with <new_device>.
3296 */
3297 /* ARGSUSED */
3298 int
zpool_do_replace(int argc,char ** argv)3299 zpool_do_replace(int argc, char **argv)
3300 {
3301 return (zpool_do_attach_or_replace(argc, argv, B_TRUE));
3302 }
3303
3304 /*
3305 * zpool attach [-f] <pool> <device> <new_device>
3306 *
3307 * -f Force attach, even if <new_device> appears to be in use.
3308 *
3309 * Attach <new_device> to the mirror containing <device>. If <device> is not
3310 * part of a mirror, then <device> will be transformed into a mirror of
3311 * <device> and <new_device>. In either case, <new_device> will begin life
3312 * with a DTL of [0, now], and will immediately begin to resilver itself.
3313 */
3314 int
zpool_do_attach(int argc,char ** argv)3315 zpool_do_attach(int argc, char **argv)
3316 {
3317 return (zpool_do_attach_or_replace(argc, argv, B_FALSE));
3318 }
3319
3320 /*
3321 * zpool detach [-f] <pool> <device>
3322 *
3323 * -f Force detach of <device>, even if DTLs argue against it
3324 * (not supported yet)
3325 *
3326 * Detach a device from a mirror. The operation will be refused if <device>
3327 * is the last device in the mirror, or if the DTLs indicate that this device
3328 * has the only valid copy of some data.
3329 */
3330 /* ARGSUSED */
3331 int
zpool_do_detach(int argc,char ** argv)3332 zpool_do_detach(int argc, char **argv)
3333 {
3334 int c;
3335 char *poolname, *path;
3336 zpool_handle_t *zhp;
3337 int ret;
3338
3339 /* check options */
3340 while ((c = getopt(argc, argv, "f")) != -1) {
3341 switch (c) {
3342 case 'f':
3343 case '?':
3344 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3345 optopt);
3346 usage(B_FALSE);
3347 }
3348 }
3349
3350 argc -= optind;
3351 argv += optind;
3352
3353 /* get pool name and check number of arguments */
3354 if (argc < 1) {
3355 (void) fprintf(stderr, gettext("missing pool name argument\n"));
3356 usage(B_FALSE);
3357 }
3358
3359 if (argc < 2) {
3360 (void) fprintf(stderr,
3361 gettext("missing <device> specification\n"));
3362 usage(B_FALSE);
3363 }
3364
3365 poolname = argv[0];
3366 path = argv[1];
3367
3368 if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
3369 return (1);
3370
3371 ret = zpool_vdev_detach(zhp, path);
3372
3373 zpool_close(zhp);
3374
3375 return (ret);
3376 }
3377
3378 /*
3379 * zpool split [-n] [-o prop=val] ...
3380 * [-o mntopt] ...
3381 * [-R altroot] <pool> <newpool> [<device> ...]
3382 *
3383 * -n Do not split the pool, but display the resulting layout if
3384 * it were to be split.
3385 * -o Set property=value, or set mount options.
3386 * -R Mount the split-off pool under an alternate root.
3387 *
3388 * Splits the named pool and gives it the new pool name. Devices to be split
3389 * off may be listed, provided that no more than one device is specified
3390 * per top-level vdev mirror. The newly split pool is left in an exported
3391 * state unless -R is specified.
3392 *
3393 * Restrictions: the top-level of the pool pool must only be made up of
3394 * mirrors; all devices in the pool must be healthy; no device may be
3395 * undergoing a resilvering operation.
3396 */
3397 int
zpool_do_split(int argc,char ** argv)3398 zpool_do_split(int argc, char **argv)
3399 {
3400 char *srcpool, *newpool, *propval;
3401 char *mntopts = NULL;
3402 splitflags_t flags;
3403 int c, ret = 0;
3404 zpool_handle_t *zhp;
3405 nvlist_t *config, *props = NULL;
3406
3407 flags.dryrun = B_FALSE;
3408 flags.import = B_FALSE;
3409
3410 /* check options */
3411 while ((c = getopt(argc, argv, ":R:no:")) != -1) {
3412 switch (c) {
3413 case 'R':
3414 flags.import = B_TRUE;
3415 if (add_prop_list(
3416 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), optarg,
3417 &props, B_TRUE) != 0) {
3418 nvlist_free(props);
3419 usage(B_FALSE);
3420 }
3421 break;
3422 case 'n':
3423 flags.dryrun = B_TRUE;
3424 break;
3425 case 'o':
3426 if ((propval = strchr(optarg, '=')) != NULL) {
3427 *propval = '\0';
3428 propval++;
3429 if (add_prop_list(optarg, propval,
3430 &props, B_TRUE) != 0) {
3431 nvlist_free(props);
3432 usage(B_FALSE);
3433 }
3434 } else {
3435 mntopts = optarg;
3436 }
3437 break;
3438 case ':':
3439 (void) fprintf(stderr, gettext("missing argument for "
3440 "'%c' option\n"), optopt);
3441 usage(B_FALSE);
3442 break;
3443 case '?':
3444 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3445 optopt);
3446 usage(B_FALSE);
3447 break;
3448 }
3449 }
3450
3451 if (!flags.import && mntopts != NULL) {
3452 (void) fprintf(stderr, gettext("setting mntopts is only "
3453 "valid when importing the pool\n"));
3454 usage(B_FALSE);
3455 }
3456
3457 argc -= optind;
3458 argv += optind;
3459
3460 if (argc < 1) {
3461 (void) fprintf(stderr, gettext("Missing pool name\n"));
3462 usage(B_FALSE);
3463 }
3464 if (argc < 2) {
3465 (void) fprintf(stderr, gettext("Missing new pool name\n"));
3466 usage(B_FALSE);
3467 }
3468
3469 srcpool = argv[0];
3470 newpool = argv[1];
3471
3472 argc -= 2;
3473 argv += 2;
3474
3475 if ((zhp = zpool_open(g_zfs, srcpool)) == NULL)
3476 return (1);
3477
3478 config = split_mirror_vdev(zhp, newpool, props, flags, argc, argv);
3479 if (config == NULL) {
3480 ret = 1;
3481 } else {
3482 if (flags.dryrun) {
3483 (void) printf(gettext("would create '%s' with the "
3484 "following layout:\n\n"), newpool);
3485 print_vdev_tree(NULL, newpool, config, 0, B_FALSE);
3486 }
3487 nvlist_free(config);
3488 }
3489
3490 zpool_close(zhp);
3491
3492 if (ret != 0 || flags.dryrun || !flags.import)
3493 return (ret);
3494
3495 /*
3496 * The split was successful. Now we need to open the new
3497 * pool and import it.
3498 */
3499 if ((zhp = zpool_open_canfail(g_zfs, newpool)) == NULL)
3500 return (1);
3501 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL &&
3502 zpool_enable_datasets(zhp, mntopts, 0) != 0) {
3503 ret = 1;
3504 (void) fprintf(stderr, gettext("Split was successful, but "
3505 "the datasets could not all be mounted\n"));
3506 (void) fprintf(stderr, gettext("Try doing '%s' with a "
3507 "different altroot\n"), "zpool import");
3508 }
3509 zpool_close(zhp);
3510
3511 return (ret);
3512 }
3513
3514
3515
3516 /*
3517 * zpool online <pool> <device> ...
3518 */
3519 int
zpool_do_online(int argc,char ** argv)3520 zpool_do_online(int argc, char **argv)
3521 {
3522 int c, i;
3523 char *poolname;
3524 zpool_handle_t *zhp;
3525 int ret = 0;
3526 vdev_state_t newstate;
3527 int flags = 0;
3528
3529 /* check options */
3530 while ((c = getopt(argc, argv, "et")) != -1) {
3531 switch (c) {
3532 case 'e':
3533 flags |= ZFS_ONLINE_EXPAND;
3534 break;
3535 case 't':
3536 case '?':
3537 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3538 optopt);
3539 usage(B_FALSE);
3540 }
3541 }
3542
3543 argc -= optind;
3544 argv += optind;
3545
3546 /* get pool name and check number of arguments */
3547 if (argc < 1) {
3548 (void) fprintf(stderr, gettext("missing pool name\n"));
3549 usage(B_FALSE);
3550 }
3551 if (argc < 2) {
3552 (void) fprintf(stderr, gettext("missing device name\n"));
3553 usage(B_FALSE);
3554 }
3555
3556 poolname = argv[0];
3557
3558 if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
3559 return (1);
3560
3561 for (i = 1; i < argc; i++) {
3562 if (zpool_vdev_online(zhp, argv[i], flags, &newstate) == 0) {
3563 if (newstate != VDEV_STATE_HEALTHY) {
3564 (void) printf(gettext("warning: device '%s' "
3565 "onlined, but remains in faulted state\n"),
3566 argv[i]);
3567 if (newstate == VDEV_STATE_FAULTED)
3568 (void) printf(gettext("use 'zpool "
3569 "clear' to restore a faulted "
3570 "device\n"));
3571 else
3572 (void) printf(gettext("use 'zpool "
3573 "replace' to replace devices "
3574 "that are no longer present\n"));
3575 }
3576 } else {
3577 ret = 1;
3578 }
3579 }
3580
3581 zpool_close(zhp);
3582
3583 return (ret);
3584 }
3585
3586 /*
3587 * zpool offline [-ft] <pool> <device> ...
3588 *
3589 * -f Force the device into the offline state, even if doing
3590 * so would appear to compromise pool availability.
3591 * (not supported yet)
3592 *
3593 * -t Only take the device off-line temporarily. The offline
3594 * state will not be persistent across reboots.
3595 */
3596 /* ARGSUSED */
3597 int
zpool_do_offline(int argc,char ** argv)3598 zpool_do_offline(int argc, char **argv)
3599 {
3600 int c, i;
3601 char *poolname;
3602 zpool_handle_t *zhp;
3603 int ret = 0;
3604 boolean_t istmp = B_FALSE;
3605
3606 /* check options */
3607 while ((c = getopt(argc, argv, "ft")) != -1) {
3608 switch (c) {
3609 case 't':
3610 istmp = B_TRUE;
3611 break;
3612 case 'f':
3613 case '?':
3614 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3615 optopt);
3616 usage(B_FALSE);
3617 }
3618 }
3619
3620 argc -= optind;
3621 argv += optind;
3622
3623 /* get pool name and check number of arguments */
3624 if (argc < 1) {
3625 (void) fprintf(stderr, gettext("missing pool name\n"));
3626 usage(B_FALSE);
3627 }
3628 if (argc < 2) {
3629 (void) fprintf(stderr, gettext("missing device name\n"));
3630 usage(B_FALSE);
3631 }
3632
3633 poolname = argv[0];
3634
3635 if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
3636 return (1);
3637
3638 for (i = 1; i < argc; i++) {
3639 if (zpool_vdev_offline(zhp, argv[i], istmp) != 0)
3640 ret = 1;
3641 }
3642
3643 zpool_close(zhp);
3644
3645 return (ret);
3646 }
3647
3648 /*
3649 * zpool clear <pool> [device]
3650 *
3651 * Clear all errors associated with a pool or a particular device.
3652 */
3653 int
zpool_do_clear(int argc,char ** argv)3654 zpool_do_clear(int argc, char **argv)
3655 {
3656 int c;
3657 int ret = 0;
3658 boolean_t dryrun = B_FALSE;
3659 boolean_t do_rewind = B_FALSE;
3660 boolean_t xtreme_rewind = B_FALSE;
3661 uint32_t rewind_policy = ZPOOL_NO_REWIND;
3662 nvlist_t *policy = NULL;
3663 zpool_handle_t *zhp;
3664 char *pool, *device;
3665
3666 /* check options */
3667 while ((c = getopt(argc, argv, "FnX")) != -1) {
3668 switch (c) {
3669 case 'F':
3670 do_rewind = B_TRUE;
3671 break;
3672 case 'n':
3673 dryrun = B_TRUE;
3674 break;
3675 case 'X':
3676 xtreme_rewind = B_TRUE;
3677 break;
3678 case '?':
3679 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3680 optopt);
3681 usage(B_FALSE);
3682 }
3683 }
3684
3685 argc -= optind;
3686 argv += optind;
3687
3688 if (argc < 1) {
3689 (void) fprintf(stderr, gettext("missing pool name\n"));
3690 usage(B_FALSE);
3691 }
3692
3693 if (argc > 2) {
3694 (void) fprintf(stderr, gettext("too many arguments\n"));
3695 usage(B_FALSE);
3696 }
3697
3698 if ((dryrun || xtreme_rewind) && !do_rewind) {
3699 (void) fprintf(stderr,
3700 gettext("-n or -X only meaningful with -F\n"));
3701 usage(B_FALSE);
3702 }
3703 if (dryrun)
3704 rewind_policy = ZPOOL_TRY_REWIND;
3705 else if (do_rewind)
3706 rewind_policy = ZPOOL_DO_REWIND;
3707 if (xtreme_rewind)
3708 rewind_policy |= ZPOOL_EXTREME_REWIND;
3709
3710 /* In future, further rewind policy choices can be passed along here */
3711 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 ||
3712 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0)
3713 return (1);
3714
3715 pool = argv[0];
3716 device = argc == 2 ? argv[1] : NULL;
3717
3718 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) {
3719 nvlist_free(policy);
3720 return (1);
3721 }
3722
3723 if (zpool_clear(zhp, device, policy) != 0)
3724 ret = 1;
3725
3726 zpool_close(zhp);
3727
3728 nvlist_free(policy);
3729
3730 return (ret);
3731 }
3732
3733 /*
3734 * zpool reguid <pool>
3735 */
3736 int
zpool_do_reguid(int argc,char ** argv)3737 zpool_do_reguid(int argc, char **argv)
3738 {
3739 int c;
3740 char *poolname;
3741 zpool_handle_t *zhp;
3742 int ret = 0;
3743
3744 /* check options */
3745 while ((c = getopt(argc, argv, "")) != -1) {
3746 switch (c) {
3747 case '?':
3748 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3749 optopt);
3750 usage(B_FALSE);
3751 }
3752 }
3753
3754 argc -= optind;
3755 argv += optind;
3756
3757 /* get pool name and check number of arguments */
3758 if (argc < 1) {
3759 (void) fprintf(stderr, gettext("missing pool name\n"));
3760 usage(B_FALSE);
3761 }
3762
3763 if (argc > 1) {
3764 (void) fprintf(stderr, gettext("too many arguments\n"));
3765 usage(B_FALSE);
3766 }
3767
3768 poolname = argv[0];
3769 if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
3770 return (1);
3771
3772 ret = zpool_reguid(zhp);
3773
3774 zpool_close(zhp);
3775 return (ret);
3776 }
3777
3778
3779 /*
3780 * zpool reopen <pool>
3781 *
3782 * Reopen the pool so that the kernel can update the sizes of all vdevs.
3783 */
3784 int
zpool_do_reopen(int argc,char ** argv)3785 zpool_do_reopen(int argc, char **argv)
3786 {
3787 int c;
3788 int ret = 0;
3789 zpool_handle_t *zhp;
3790 char *pool;
3791
3792 /* check options */
3793 while ((c = getopt(argc, argv, "")) != -1) {
3794 switch (c) {
3795 case '?':
3796 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3797 optopt);
3798 usage(B_FALSE);
3799 }
3800 }
3801
3802 argc--;
3803 argv++;
3804
3805 if (argc < 1) {
3806 (void) fprintf(stderr, gettext("missing pool name\n"));
3807 usage(B_FALSE);
3808 }
3809
3810 if (argc > 1) {
3811 (void) fprintf(stderr, gettext("too many arguments\n"));
3812 usage(B_FALSE);
3813 }
3814
3815 pool = argv[0];
3816 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL)
3817 return (1);
3818
3819 ret = zpool_reopen(zhp);
3820 zpool_close(zhp);
3821 return (ret);
3822 }
3823
3824 typedef struct scrub_cbdata {
3825 int cb_type;
3826 int cb_argc;
3827 char **cb_argv;
3828 } scrub_cbdata_t;
3829
3830 int
scrub_callback(zpool_handle_t * zhp,void * data)3831 scrub_callback(zpool_handle_t *zhp, void *data)
3832 {
3833 scrub_cbdata_t *cb = data;
3834 int err;
3835
3836 /*
3837 * Ignore faulted pools.
3838 */
3839 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) {
3840 (void) fprintf(stderr, gettext("cannot scrub '%s': pool is "
3841 "currently unavailable\n"), zpool_get_name(zhp));
3842 return (1);
3843 }
3844
3845 err = zpool_scan(zhp, cb->cb_type);
3846
3847 return (err != 0);
3848 }
3849
3850 /*
3851 * zpool scrub [-s] <pool> ...
3852 *
3853 * -s Stop. Stops any in-progress scrub.
3854 */
3855 int
zpool_do_scrub(int argc,char ** argv)3856 zpool_do_scrub(int argc, char **argv)
3857 {
3858 int c;
3859 scrub_cbdata_t cb;
3860
3861 cb.cb_type = POOL_SCAN_SCRUB;
3862
3863 /* check options */
3864 while ((c = getopt(argc, argv, "s")) != -1) {
3865 switch (c) {
3866 case 's':
3867 cb.cb_type = POOL_SCAN_NONE;
3868 break;
3869 case '?':
3870 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3871 optopt);
3872 usage(B_FALSE);
3873 }
3874 }
3875
3876 cb.cb_argc = argc;
3877 cb.cb_argv = argv;
3878 argc -= optind;
3879 argv += optind;
3880
3881 if (argc < 1) {
3882 (void) fprintf(stderr, gettext("missing pool name argument\n"));
3883 usage(B_FALSE);
3884 }
3885
3886 return (for_each_pool(argc, argv, B_TRUE, NULL, scrub_callback, &cb));
3887 }
3888
3889 typedef struct status_cbdata {
3890 int cb_count;
3891 boolean_t cb_allpools;
3892 boolean_t cb_verbose;
3893 boolean_t cb_explain;
3894 boolean_t cb_first;
3895 boolean_t cb_dedup_stats;
3896 } status_cbdata_t;
3897
3898 /*
3899 * Print out detailed scrub status.
3900 */
3901 void
print_scan_status(pool_scan_stat_t * ps)3902 print_scan_status(pool_scan_stat_t *ps)
3903 {
3904 time_t start, end;
3905 uint64_t elapsed, mins_left, hours_left;
3906 uint64_t pass_exam, examined, total;
3907 uint_t rate;
3908 double fraction_done;
3909 char processed_buf[7], examined_buf[7], total_buf[7], rate_buf[7];
3910
3911 (void) printf(gettext(" scan: "));
3912
3913 /* If there's never been a scan, there's not much to say. */
3914 if (ps == NULL || ps->pss_func == POOL_SCAN_NONE ||
3915 ps->pss_func >= POOL_SCAN_FUNCS) {
3916 (void) printf(gettext("none requested\n"));
3917 return;
3918 }
3919
3920 start = ps->pss_start_time;
3921 end = ps->pss_end_time;
3922 zfs_nicenum(ps->pss_processed, processed_buf, sizeof (processed_buf));
3923
3924 assert(ps->pss_func == POOL_SCAN_SCRUB ||
3925 ps->pss_func == POOL_SCAN_RESILVER);
3926 /*
3927 * Scan is finished or canceled.
3928 */
3929 if (ps->pss_state == DSS_FINISHED) {
3930 uint64_t minutes_taken = (end - start) / 60;
3931 char *fmt = NULL;
3932
3933 if (ps->pss_func == POOL_SCAN_SCRUB) {
3934 fmt = gettext("scrub repaired %s in %lluh%um with "
3935 "%llu errors on %s");
3936 } else if (ps->pss_func == POOL_SCAN_RESILVER) {
3937 fmt = gettext("resilvered %s in %lluh%um with "
3938 "%llu errors on %s");
3939 }
3940 /* LINTED */
3941 (void) printf(fmt, processed_buf,
3942 (u_longlong_t)(minutes_taken / 60),
3943 (uint_t)(minutes_taken % 60),
3944 (u_longlong_t)ps->pss_errors,
3945 ctime((time_t *)&end));
3946 return;
3947 } else if (ps->pss_state == DSS_CANCELED) {
3948 if (ps->pss_func == POOL_SCAN_SCRUB) {
3949 (void) printf(gettext("scrub canceled on %s"),
3950 ctime(&end));
3951 } else if (ps->pss_func == POOL_SCAN_RESILVER) {
3952 (void) printf(gettext("resilver canceled on %s"),
3953 ctime(&end));
3954 }
3955 return;
3956 }
3957
3958 assert(ps->pss_state == DSS_SCANNING);
3959
3960 /*
3961 * Scan is in progress.
3962 */
3963 if (ps->pss_func == POOL_SCAN_SCRUB) {
3964 (void) printf(gettext("scrub in progress since %s"),
3965 ctime(&start));
3966 } else if (ps->pss_func == POOL_SCAN_RESILVER) {
3967 (void) printf(gettext("resilver in progress since %s"),
3968 ctime(&start));
3969 }
3970
3971 examined = ps->pss_examined ? ps->pss_examined : 1;
3972 total = ps->pss_to_examine;
3973 fraction_done = (double)examined / total;
3974
3975 /* elapsed time for this pass */
3976 elapsed = time(NULL) - ps->pss_pass_start;
3977 elapsed = elapsed ? elapsed : 1;
3978 pass_exam = ps->pss_pass_exam ? ps->pss_pass_exam : 1;
3979 rate = pass_exam / elapsed;
3980 rate = rate ? rate : 1;
3981 mins_left = ((total - examined) / rate) / 60;
3982 hours_left = mins_left / 60;
3983
3984 zfs_nicenum(examined, examined_buf, sizeof (examined_buf));
3985 zfs_nicenum(total, total_buf, sizeof (total_buf));
3986 zfs_nicenum(rate, rate_buf, sizeof (rate_buf));
3987
3988 /*
3989 * do not print estimated time if hours_left is more than 30 days
3990 */
3991 (void) printf(gettext(" %s scanned out of %s at %s/s"),
3992 examined_buf, total_buf, rate_buf);
3993 if (hours_left < (30 * 24)) {
3994 (void) printf(gettext(", %lluh%um to go\n"),
3995 (u_longlong_t)hours_left, (uint_t)(mins_left % 60));
3996 } else {
3997 (void) printf(gettext(
3998 ", (scan is slow, no estimated time)\n"));
3999 }
4000
4001 if (ps->pss_func == POOL_SCAN_RESILVER) {
4002 (void) printf(gettext(" %s resilvered, %.2f%% done\n"),
4003 processed_buf, 100 * fraction_done);
4004 } else if (ps->pss_func == POOL_SCAN_SCRUB) {
4005 (void) printf(gettext(" %s repaired, %.2f%% done\n"),
4006 processed_buf, 100 * fraction_done);
4007 }
4008 }
4009
4010 static void
print_error_log(zpool_handle_t * zhp)4011 print_error_log(zpool_handle_t *zhp)
4012 {
4013 nvlist_t *nverrlist = NULL;
4014 nvpair_t *elem;
4015 char *pathname;
4016 size_t len = MAXPATHLEN * 2;
4017
4018 if (zpool_get_errlog(zhp, &nverrlist) != 0) {
4019 (void) printf("errors: List of errors unavailable "
4020 "(insufficient privileges)\n");
4021 return;
4022 }
4023
4024 (void) printf("errors: Permanent errors have been "
4025 "detected in the following files:\n\n");
4026
4027 pathname = safe_malloc(len);
4028 elem = NULL;
4029 while ((elem = nvlist_next_nvpair(nverrlist, elem)) != NULL) {
4030 nvlist_t *nv;
4031 uint64_t dsobj, obj;
4032
4033 verify(nvpair_value_nvlist(elem, &nv) == 0);
4034 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_DATASET,
4035 &dsobj) == 0);
4036 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_OBJECT,
4037 &obj) == 0);
4038 zpool_obj_to_path(zhp, dsobj, obj, pathname, len);
4039 (void) printf("%7s %s\n", "", pathname);
4040 }
4041 free(pathname);
4042 nvlist_free(nverrlist);
4043 }
4044
4045 static void
print_spares(zpool_handle_t * zhp,nvlist_t ** spares,uint_t nspares,int namewidth)4046 print_spares(zpool_handle_t *zhp, nvlist_t **spares, uint_t nspares,
4047 int namewidth)
4048 {
4049 uint_t i;
4050 char *name;
4051
4052 if (nspares == 0)
4053 return;
4054
4055 (void) printf(gettext("\tspares\n"));
4056
4057 for (i = 0; i < nspares; i++) {
4058 name = zpool_vdev_name(g_zfs, zhp, spares[i], B_FALSE);
4059 print_status_config(zhp, name, spares[i],
4060 namewidth, 2, B_TRUE);
4061 free(name);
4062 }
4063 }
4064
4065 static void
print_l2cache(zpool_handle_t * zhp,nvlist_t ** l2cache,uint_t nl2cache,int namewidth)4066 print_l2cache(zpool_handle_t *zhp, nvlist_t **l2cache, uint_t nl2cache,
4067 int namewidth)
4068 {
4069 uint_t i;
4070 char *name;
4071
4072 if (nl2cache == 0)
4073 return;
4074
4075 (void) printf(gettext("\tcache\n"));
4076
4077 for (i = 0; i < nl2cache; i++) {
4078 name = zpool_vdev_name(g_zfs, zhp, l2cache[i], B_FALSE);
4079 print_status_config(zhp, name, l2cache[i],
4080 namewidth, 2, B_FALSE);
4081 free(name);
4082 }
4083 }
4084
4085 static void
print_dedup_stats(nvlist_t * config)4086 print_dedup_stats(nvlist_t *config)
4087 {
4088 ddt_histogram_t *ddh;
4089 ddt_stat_t *dds;
4090 ddt_object_t *ddo;
4091 uint_t c;
4092
4093 /*
4094 * If the pool was faulted then we may not have been able to
4095 * obtain the config. Otherwise, if we have anything in the dedup
4096 * table continue processing the stats.
4097 */
4098 if (nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_OBJ_STATS,
4099 (uint64_t **)&ddo, &c) != 0)
4100 return;
4101
4102 (void) printf("\n");
4103 (void) printf(gettext(" dedup: "));
4104 if (ddo->ddo_count == 0) {
4105 (void) printf(gettext("no DDT entries\n"));
4106 return;
4107 }
4108
4109 (void) printf("DDT entries %llu, size %llu on disk, %llu in core\n",
4110 (u_longlong_t)ddo->ddo_count,
4111 (u_longlong_t)ddo->ddo_dspace,
4112 (u_longlong_t)ddo->ddo_mspace);
4113
4114 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_STATS,
4115 (uint64_t **)&dds, &c) == 0);
4116 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_HISTOGRAM,
4117 (uint64_t **)&ddh, &c) == 0);
4118 zpool_dump_ddt(dds, ddh);
4119 }
4120
4121 /*
4122 * Display a summary of pool status. Displays a summary such as:
4123 *
4124 * pool: tank
4125 * status: DEGRADED
4126 * reason: One or more devices ...
4127 * see: http://illumos.org/msg/ZFS-xxxx-01
4128 * config:
4129 * mirror DEGRADED
4130 * c1t0d0 OK
4131 * c2t0d0 UNAVAIL
4132 *
4133 * When given the '-v' option, we print out the complete config. If the '-e'
4134 * option is specified, then we print out error rate information as well.
4135 */
4136 int
status_callback(zpool_handle_t * zhp,void * data)4137 status_callback(zpool_handle_t *zhp, void *data)
4138 {
4139 status_cbdata_t *cbp = data;
4140 nvlist_t *config, *nvroot;
4141 char *msgid;
4142 int reason;
4143 const char *health;
4144 uint_t c;
4145 vdev_stat_t *vs;
4146
4147 config = zpool_get_config(zhp, NULL);
4148 reason = zpool_get_status(zhp, &msgid);
4149
4150 cbp->cb_count++;
4151
4152 /*
4153 * If we were given 'zpool status -x', only report those pools with
4154 * problems.
4155 */
4156 if (cbp->cb_explain &&
4157 (reason == ZPOOL_STATUS_OK ||
4158 reason == ZPOOL_STATUS_VERSION_OLDER ||
4159 reason == ZPOOL_STATUS_NON_NATIVE_ASHIFT ||
4160 reason == ZPOOL_STATUS_FEAT_DISABLED)) {
4161 if (!cbp->cb_allpools) {
4162 (void) printf(gettext("pool '%s' is healthy\n"),
4163 zpool_get_name(zhp));
4164 if (cbp->cb_first)
4165 cbp->cb_first = B_FALSE;
4166 }
4167 return (0);
4168 }
4169
4170 if (cbp->cb_first)
4171 cbp->cb_first = B_FALSE;
4172 else
4173 (void) printf("\n");
4174
4175 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
4176 &nvroot) == 0);
4177 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS,
4178 (uint64_t **)&vs, &c) == 0);
4179 health = zpool_state_to_name(vs->vs_state, vs->vs_aux);
4180
4181 (void) printf(gettext(" pool: %s\n"), zpool_get_name(zhp));
4182 (void) printf(gettext(" state: %s\n"), health);
4183
4184 switch (reason) {
4185 case ZPOOL_STATUS_MISSING_DEV_R:
4186 (void) printf(gettext("status: One or more devices could not "
4187 "be opened. Sufficient replicas exist for\n\tthe pool to "
4188 "continue functioning in a degraded state.\n"));
4189 (void) printf(gettext("action: Attach the missing device and "
4190 "online it using 'zpool online'.\n"));
4191 break;
4192
4193 case ZPOOL_STATUS_MISSING_DEV_NR:
4194 (void) printf(gettext("status: One or more devices could not "
4195 "be opened. There are insufficient\n\treplicas for the "
4196 "pool to continue functioning.\n"));
4197 (void) printf(gettext("action: Attach the missing device and "
4198 "online it using 'zpool online'.\n"));
4199 break;
4200
4201 case ZPOOL_STATUS_CORRUPT_LABEL_R:
4202 (void) printf(gettext("status: One or more devices could not "
4203 "be used because the label is missing or\n\tinvalid. "
4204 "Sufficient replicas exist for the pool to continue\n\t"
4205 "functioning in a degraded state.\n"));
4206 (void) printf(gettext("action: Replace the device using "
4207 "'zpool replace'.\n"));
4208 break;
4209
4210 case ZPOOL_STATUS_CORRUPT_LABEL_NR:
4211 (void) printf(gettext("status: One or more devices could not "
4212 "be used because the label is missing \n\tor invalid. "
4213 "There are insufficient replicas for the pool to "
4214 "continue\n\tfunctioning.\n"));
4215 zpool_explain_recover(zpool_get_handle(zhp),
4216 zpool_get_name(zhp), reason, config);
4217 break;
4218
4219 case ZPOOL_STATUS_FAILING_DEV:
4220 (void) printf(gettext("status: One or more devices has "
4221 "experienced an unrecoverable error. An\n\tattempt was "
4222 "made to correct the error. Applications are "
4223 "unaffected.\n"));
4224 (void) printf(gettext("action: Determine if the device needs "
4225 "to be replaced, and clear the errors\n\tusing "
4226 "'zpool clear' or replace the device with 'zpool "
4227 "replace'.\n"));
4228 break;
4229
4230 case ZPOOL_STATUS_OFFLINE_DEV:
4231 (void) printf(gettext("status: One or more devices has "
4232 "been taken offline by the administrator.\n\tSufficient "
4233 "replicas exist for the pool to continue functioning in "
4234 "a\n\tdegraded state.\n"));
4235 (void) printf(gettext("action: Online the device using "
4236 "'zpool online' or replace the device with\n\t'zpool "
4237 "replace'.\n"));
4238 break;
4239
4240 case ZPOOL_STATUS_REMOVED_DEV:
4241 (void) printf(gettext("status: One or more devices has "
4242 "been removed by the administrator.\n\tSufficient "
4243 "replicas exist for the pool to continue functioning in "
4244 "a\n\tdegraded state.\n"));
4245 (void) printf(gettext("action: Online the device using "
4246 "'zpool online' or replace the device with\n\t'zpool "
4247 "replace'.\n"));
4248 break;
4249
4250 case ZPOOL_STATUS_RESILVERING:
4251 (void) printf(gettext("status: One or more devices is "
4252 "currently being resilvered. The pool will\n\tcontinue "
4253 "to function, possibly in a degraded state.\n"));
4254 (void) printf(gettext("action: Wait for the resilver to "
4255 "complete.\n"));
4256 break;
4257
4258 case ZPOOL_STATUS_CORRUPT_DATA:
4259 (void) printf(gettext("status: One or more devices has "
4260 "experienced an error resulting in data\n\tcorruption. "
4261 "Applications may be affected.\n"));
4262 (void) printf(gettext("action: Restore the file in question "
4263 "if possible. Otherwise restore the\n\tentire pool from "
4264 "backup.\n"));
4265 break;
4266
4267 case ZPOOL_STATUS_CORRUPT_POOL:
4268 (void) printf(gettext("status: The pool metadata is corrupted "
4269 "and the pool cannot be opened.\n"));
4270 zpool_explain_recover(zpool_get_handle(zhp),
4271 zpool_get_name(zhp), reason, config);
4272 break;
4273
4274 case ZPOOL_STATUS_VERSION_OLDER:
4275 (void) printf(gettext("status: The pool is formatted using a "
4276 "legacy on-disk format. The pool can\n\tstill be used, "
4277 "but some features are unavailable.\n"));
4278 (void) printf(gettext("action: Upgrade the pool using 'zpool "
4279 "upgrade'. Once this is done, the\n\tpool will no longer "
4280 "be accessible on software that does not support feature\n"
4281 "\tflags.\n"));
4282 break;
4283
4284 case ZPOOL_STATUS_VERSION_NEWER:
4285 (void) printf(gettext("status: The pool has been upgraded to a "
4286 "newer, incompatible on-disk version.\n\tThe pool cannot "
4287 "be accessed on this system.\n"));
4288 (void) printf(gettext("action: Access the pool from a system "
4289 "running more recent software, or\n\trestore the pool from "
4290 "backup.\n"));
4291 break;
4292
4293 case ZPOOL_STATUS_FEAT_DISABLED:
4294 (void) printf(gettext("status: Some supported features are not "
4295 "enabled on the pool. The pool can\n\tstill be used, but "
4296 "some features are unavailable.\n"));
4297 (void) printf(gettext("action: Enable all features using "
4298 "'zpool upgrade'. Once this is done,\n\tthe pool may no "
4299 "longer be accessible by software that does not support\n\t"
4300 "the features. See zpool-features(7) for details.\n"));
4301 break;
4302
4303 case ZPOOL_STATUS_UNSUP_FEAT_READ:
4304 (void) printf(gettext("status: The pool cannot be accessed on "
4305 "this system because it uses the\n\tfollowing feature(s) "
4306 "not supported on this system:\n"));
4307 zpool_print_unsup_feat(config);
4308 (void) printf("\n");
4309 (void) printf(gettext("action: Access the pool from a system "
4310 "that supports the required feature(s),\n\tor restore the "
4311 "pool from backup.\n"));
4312 break;
4313
4314 case ZPOOL_STATUS_UNSUP_FEAT_WRITE:
4315 (void) printf(gettext("status: The pool can only be accessed "
4316 "in read-only mode on this system. It\n\tcannot be "
4317 "accessed in read-write mode because it uses the "
4318 "following\n\tfeature(s) not supported on this system:\n"));
4319 zpool_print_unsup_feat(config);
4320 (void) printf("\n");
4321 (void) printf(gettext("action: The pool cannot be accessed in "
4322 "read-write mode. Import the pool with\n"
4323 "\t\"-o readonly=on\", access the pool from a system that "
4324 "supports the\n\trequired feature(s), or restore the "
4325 "pool from backup.\n"));
4326 break;
4327
4328 case ZPOOL_STATUS_FAULTED_DEV_R:
4329 (void) printf(gettext("status: One or more devices are "
4330 "faulted in response to persistent errors.\n\tSufficient "
4331 "replicas exist for the pool to continue functioning "
4332 "in a\n\tdegraded state.\n"));
4333 (void) printf(gettext("action: Replace the faulted device, "
4334 "or use 'zpool clear' to mark the device\n\trepaired.\n"));
4335 break;
4336
4337 case ZPOOL_STATUS_FAULTED_DEV_NR:
4338 (void) printf(gettext("status: One or more devices are "
4339 "faulted in response to persistent errors. There are "
4340 "insufficient replicas for the pool to\n\tcontinue "
4341 "functioning.\n"));
4342 (void) printf(gettext("action: Destroy and re-create the pool "
4343 "from a backup source. Manually marking the device\n"
4344 "\trepaired using 'zpool clear' may allow some data "
4345 "to be recovered.\n"));
4346 break;
4347
4348 case ZPOOL_STATUS_IO_FAILURE_WAIT:
4349 case ZPOOL_STATUS_IO_FAILURE_CONTINUE:
4350 (void) printf(gettext("status: One or more devices are "
4351 "faulted in response to IO failures.\n"));
4352 (void) printf(gettext("action: Make sure the affected devices "
4353 "are connected, then run 'zpool clear'.\n"));
4354 break;
4355
4356 case ZPOOL_STATUS_BAD_LOG:
4357 (void) printf(gettext("status: An intent log record "
4358 "could not be read.\n"
4359 "\tWaiting for adminstrator intervention to fix the "
4360 "faulted pool.\n"));
4361 (void) printf(gettext("action: Either restore the affected "
4362 "device(s) and run 'zpool online',\n"
4363 "\tor ignore the intent log records by running "
4364 "'zpool clear'.\n"));
4365 break;
4366
4367 case ZPOOL_STATUS_NON_NATIVE_ASHIFT:
4368 (void) printf(gettext("status: One or more devices are "
4369 "configured to use a non-native block size.\n"
4370 "\tExpect reduced performance.\n"));
4371 (void) printf(gettext("action: Replace affected devices with "
4372 "devices that support the\n\tconfigured block size, or "
4373 "migrate data to a properly configured\n\tpool.\n"));
4374 break;
4375
4376 default:
4377 /*
4378 * The remaining errors can't actually be generated, yet.
4379 */
4380 assert(reason == ZPOOL_STATUS_OK);
4381 }
4382
4383 if (msgid != NULL)
4384 (void) printf(gettext(" see: http://illumos.org/msg/%s\n"),
4385 msgid);
4386
4387 if (config != NULL) {
4388 int namewidth;
4389 uint64_t nerr;
4390 nvlist_t **spares, **l2cache;
4391 uint_t nspares, nl2cache;
4392 pool_scan_stat_t *ps = NULL;
4393
4394 (void) nvlist_lookup_uint64_array(nvroot,
4395 ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &c);
4396 print_scan_status(ps);
4397
4398 namewidth = max_width(zhp, nvroot, 0, 0);
4399 if (namewidth < 10)
4400 namewidth = 10;
4401
4402 (void) printf(gettext("config:\n\n"));
4403 (void) printf(gettext("\t%-*s %-8s %5s %5s %5s\n"), namewidth,
4404 "NAME", "STATE", "READ", "WRITE", "CKSUM");
4405 print_status_config(zhp, zpool_get_name(zhp), nvroot,
4406 namewidth, 0, B_FALSE);
4407
4408 if (num_logs(nvroot) > 0)
4409 print_logs(zhp, nvroot, namewidth, B_TRUE);
4410 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE,
4411 &l2cache, &nl2cache) == 0)
4412 print_l2cache(zhp, l2cache, nl2cache, namewidth);
4413
4414 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES,
4415 &spares, &nspares) == 0)
4416 print_spares(zhp, spares, nspares, namewidth);
4417
4418 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_ERRCOUNT,
4419 &nerr) == 0) {
4420 nvlist_t *nverrlist = NULL;
4421
4422 /*
4423 * If the approximate error count is small, get a
4424 * precise count by fetching the entire log and
4425 * uniquifying the results.
4426 */
4427 if (nerr > 0 && nerr < 100 && !cbp->cb_verbose &&
4428 zpool_get_errlog(zhp, &nverrlist) == 0) {
4429 nvpair_t *elem;
4430
4431 elem = NULL;
4432 nerr = 0;
4433 while ((elem = nvlist_next_nvpair(nverrlist,
4434 elem)) != NULL) {
4435 nerr++;
4436 }
4437 }
4438 nvlist_free(nverrlist);
4439
4440 (void) printf("\n");
4441
4442 if (nerr == 0)
4443 (void) printf(gettext("errors: No known data "
4444 "errors\n"));
4445 else if (!cbp->cb_verbose)
4446 (void) printf(gettext("errors: %llu data "
4447 "errors, use '-v' for a list\n"),
4448 (u_longlong_t)nerr);
4449 else
4450 print_error_log(zhp);
4451 }
4452
4453 if (cbp->cb_dedup_stats)
4454 print_dedup_stats(config);
4455 } else {
4456 (void) printf(gettext("config: The configuration cannot be "
4457 "determined.\n"));
4458 }
4459
4460 return (0);
4461 }
4462
4463 /*
4464 * zpool status [-vx] [-T d|u] [pool] ... [interval [count]]
4465 *
4466 * -v Display complete error logs
4467 * -x Display only pools with potential problems
4468 * -D Display dedup status (undocumented)
4469 * -T Display a timestamp in date(1) or Unix format
4470 *
4471 * Describes the health status of all pools or some subset.
4472 */
4473 int
zpool_do_status(int argc,char ** argv)4474 zpool_do_status(int argc, char **argv)
4475 {
4476 int c;
4477 int ret;
4478 unsigned long interval = 0, count = 0;
4479 status_cbdata_t cb = { 0 };
4480
4481 /* check options */
4482 while ((c = getopt(argc, argv, "vxDT:")) != -1) {
4483 switch (c) {
4484 case 'v':
4485 cb.cb_verbose = B_TRUE;
4486 break;
4487 case 'x':
4488 cb.cb_explain = B_TRUE;
4489 break;
4490 case 'D':
4491 cb.cb_dedup_stats = B_TRUE;
4492 break;
4493 case 'T':
4494 get_timestamp_arg(*optarg);
4495 break;
4496 case '?':
4497 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4498 optopt);
4499 usage(B_FALSE);
4500 }
4501 }
4502
4503 argc -= optind;
4504 argv += optind;
4505
4506 get_interval_count(&argc, argv, &interval, &count);
4507
4508 if (argc == 0)
4509 cb.cb_allpools = B_TRUE;
4510
4511 cb.cb_first = B_TRUE;
4512
4513 for (;;) {
4514 if (timestamp_fmt != NODATE)
4515 print_timestamp(timestamp_fmt);
4516
4517 ret = for_each_pool(argc, argv, B_TRUE, NULL,
4518 status_callback, &cb);
4519
4520 if (argc == 0 && cb.cb_count == 0)
4521 (void) printf(gettext("no pools available\n"));
4522 else if (cb.cb_explain && cb.cb_first && cb.cb_allpools)
4523 (void) printf(gettext("all pools are healthy\n"));
4524
4525 if (ret != 0)
4526 return (ret);
4527
4528 if (interval == 0)
4529 break;
4530
4531 if (count != 0 && --count == 0)
4532 break;
4533
4534 (void) sleep(interval);
4535 }
4536
4537 return (0);
4538 }
4539
4540 typedef struct upgrade_cbdata {
4541 boolean_t cb_first;
4542 boolean_t cb_unavail;
4543 char cb_poolname[ZFS_MAX_DATASET_NAME_LEN];
4544 int cb_argc;
4545 uint64_t cb_version;
4546 char **cb_argv;
4547 } upgrade_cbdata_t;
4548
4549 #ifdef __FreeBSD__
4550 static int
is_root_pool(zpool_handle_t * zhp)4551 is_root_pool(zpool_handle_t *zhp)
4552 {
4553 static struct statfs sfs;
4554 static char *poolname = NULL;
4555 static boolean_t stated = B_FALSE;
4556 char *slash;
4557
4558 if (!stated) {
4559 stated = B_TRUE;
4560 if (statfs("/", &sfs) == -1) {
4561 (void) fprintf(stderr,
4562 "Unable to stat root file system: %s.\n",
4563 strerror(errno));
4564 return (0);
4565 }
4566 if (strcmp(sfs.f_fstypename, "zfs") != 0)
4567 return (0);
4568 poolname = sfs.f_mntfromname;
4569 if ((slash = strchr(poolname, '/')) != NULL)
4570 *slash = '\0';
4571 }
4572 return (poolname != NULL && strcmp(poolname, zpool_get_name(zhp)) == 0);
4573 }
4574
4575 static void
root_pool_upgrade_check(zpool_handle_t * zhp,char * poolname,int size)4576 root_pool_upgrade_check(zpool_handle_t *zhp, char *poolname, int size)
4577 {
4578
4579 if (poolname[0] == '\0' && is_root_pool(zhp))
4580 (void) strlcpy(poolname, zpool_get_name(zhp), size);
4581 }
4582 #endif /* FreeBSD */
4583
4584 static int
upgrade_version(zpool_handle_t * zhp,uint64_t version)4585 upgrade_version(zpool_handle_t *zhp, uint64_t version)
4586 {
4587 int ret;
4588 nvlist_t *config;
4589 uint64_t oldversion;
4590
4591 config = zpool_get_config(zhp, NULL);
4592 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION,
4593 &oldversion) == 0);
4594
4595 assert(SPA_VERSION_IS_SUPPORTED(oldversion));
4596 assert(oldversion < version);
4597
4598 ret = zpool_upgrade(zhp, version);
4599 if (ret != 0)
4600 return (ret);
4601
4602 if (version >= SPA_VERSION_FEATURES) {
4603 (void) printf(gettext("Successfully upgraded "
4604 "'%s' from version %llu to feature flags.\n"),
4605 zpool_get_name(zhp), oldversion);
4606 } else {
4607 (void) printf(gettext("Successfully upgraded "
4608 "'%s' from version %llu to version %llu.\n"),
4609 zpool_get_name(zhp), oldversion, version);
4610 }
4611
4612 return (0);
4613 }
4614
4615 static int
upgrade_enable_all(zpool_handle_t * zhp,int * countp)4616 upgrade_enable_all(zpool_handle_t *zhp, int *countp)
4617 {
4618 int i, ret, count;
4619 boolean_t firstff = B_TRUE;
4620 nvlist_t *enabled = zpool_get_features(zhp);
4621
4622 count = 0;
4623 for (i = 0; i < SPA_FEATURES; i++) {
4624 const char *fname = spa_feature_table[i].fi_uname;
4625 const char *fguid = spa_feature_table[i].fi_guid;
4626 if (!nvlist_exists(enabled, fguid)) {
4627 char *propname;
4628 verify(-1 != asprintf(&propname, "feature@%s", fname));
4629 ret = zpool_set_prop(zhp, propname,
4630 ZFS_FEATURE_ENABLED);
4631 if (ret != 0) {
4632 free(propname);
4633 return (ret);
4634 }
4635 count++;
4636
4637 if (firstff) {
4638 (void) printf(gettext("Enabled the "
4639 "following features on '%s':\n"),
4640 zpool_get_name(zhp));
4641 firstff = B_FALSE;
4642 }
4643 (void) printf(gettext(" %s\n"), fname);
4644 free(propname);
4645 }
4646 }
4647
4648 if (countp != NULL)
4649 *countp = count;
4650 return (0);
4651 }
4652
4653 static int
upgrade_cb(zpool_handle_t * zhp,void * arg)4654 upgrade_cb(zpool_handle_t *zhp, void *arg)
4655 {
4656 upgrade_cbdata_t *cbp = arg;
4657 nvlist_t *config;
4658 uint64_t version;
4659 boolean_t printnl = B_FALSE;
4660 int ret;
4661
4662 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) {
4663 (void) fprintf(stderr, gettext("cannot upgrade '%s': pool is "
4664 "currently unavailable.\n\n"), zpool_get_name(zhp));
4665 cbp->cb_unavail = B_TRUE;
4666 /* Allow iteration to continue. */
4667 return (0);
4668 }
4669
4670 config = zpool_get_config(zhp, NULL);
4671 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION,
4672 &version) == 0);
4673
4674 assert(SPA_VERSION_IS_SUPPORTED(version));
4675
4676 if (version < cbp->cb_version) {
4677 cbp->cb_first = B_FALSE;
4678 ret = upgrade_version(zhp, cbp->cb_version);
4679 if (ret != 0)
4680 return (ret);
4681 #ifdef __FreeBSD__
4682 root_pool_upgrade_check(zhp, cbp->cb_poolname,
4683 sizeof(cbp->cb_poolname));
4684 #endif /* __FreeBSD__ */
4685 printnl = B_TRUE;
4686
4687 #ifdef illumos
4688 /*
4689 * If they did "zpool upgrade -a", then we could
4690 * be doing ioctls to different pools. We need
4691 * to log this history once to each pool, and bypass
4692 * the normal history logging that happens in main().
4693 */
4694 (void) zpool_log_history(g_zfs, history_str);
4695 log_history = B_FALSE;
4696 #endif
4697 }
4698
4699 if (cbp->cb_version >= SPA_VERSION_FEATURES) {
4700 int count;
4701 ret = upgrade_enable_all(zhp, &count);
4702 if (ret != 0)
4703 return (ret);
4704
4705 if (count > 0) {
4706 cbp->cb_first = B_FALSE;
4707 printnl = B_TRUE;
4708 #ifdef __FreeBSD__
4709 root_pool_upgrade_check(zhp, cbp->cb_poolname,
4710 sizeof(cbp->cb_poolname));
4711 #endif /* __FreeBSD__ */
4712 /*
4713 * If they did "zpool upgrade -a", then we could
4714 * be doing ioctls to different pools. We need
4715 * to log this history once to each pool, and bypass
4716 * the normal history logging that happens in main().
4717 */
4718 (void) zpool_log_history(g_zfs, history_str);
4719 log_history = B_FALSE;
4720 }
4721 }
4722
4723 if (printnl) {
4724 (void) printf(gettext("\n"));
4725 }
4726
4727 return (0);
4728 }
4729
4730 static int
upgrade_list_unavail(zpool_handle_t * zhp,void * arg)4731 upgrade_list_unavail(zpool_handle_t *zhp, void *arg)
4732 {
4733 upgrade_cbdata_t *cbp = arg;
4734
4735 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) {
4736 if (cbp->cb_first) {
4737 (void) fprintf(stderr, gettext("The following pools "
4738 "are unavailable and cannot be upgraded as this "
4739 "time.\n\n"));
4740 (void) fprintf(stderr, gettext("POOL\n"));
4741 (void) fprintf(stderr, gettext("------------\n"));
4742 cbp->cb_first = B_FALSE;
4743 }
4744 (void) printf(gettext("%s\n"), zpool_get_name(zhp));
4745 cbp->cb_unavail = B_TRUE;
4746 }
4747 return (0);
4748 }
4749
4750 static int
upgrade_list_older_cb(zpool_handle_t * zhp,void * arg)4751 upgrade_list_older_cb(zpool_handle_t *zhp, void *arg)
4752 {
4753 upgrade_cbdata_t *cbp = arg;
4754 nvlist_t *config;
4755 uint64_t version;
4756
4757 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) {
4758 /*
4759 * This will have been reported by upgrade_list_unavail so
4760 * just allow iteration to continue.
4761 */
4762 cbp->cb_unavail = B_TRUE;
4763 return (0);
4764 }
4765
4766 config = zpool_get_config(zhp, NULL);
4767 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION,
4768 &version) == 0);
4769
4770 assert(SPA_VERSION_IS_SUPPORTED(version));
4771
4772 if (version < SPA_VERSION_FEATURES) {
4773 if (cbp->cb_first) {
4774 (void) printf(gettext("The following pools are "
4775 "formatted with legacy version numbers and can\n"
4776 "be upgraded to use feature flags. After "
4777 "being upgraded, these pools\nwill no "
4778 "longer be accessible by software that does not "
4779 "support feature\nflags.\n\n"));
4780 (void) printf(gettext("VER POOL\n"));
4781 (void) printf(gettext("--- ------------\n"));
4782 cbp->cb_first = B_FALSE;
4783 }
4784
4785 (void) printf("%2llu %s\n", (u_longlong_t)version,
4786 zpool_get_name(zhp));
4787 }
4788
4789 return (0);
4790 }
4791
4792 static int
upgrade_list_disabled_cb(zpool_handle_t * zhp,void * arg)4793 upgrade_list_disabled_cb(zpool_handle_t *zhp, void *arg)
4794 {
4795 upgrade_cbdata_t *cbp = arg;
4796 nvlist_t *config;
4797 uint64_t version;
4798
4799 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) {
4800 /*
4801 * This will have been reported by upgrade_list_unavail so
4802 * just allow iteration to continue.
4803 */
4804 cbp->cb_unavail = B_TRUE;
4805 return (0);
4806 }
4807
4808 config = zpool_get_config(zhp, NULL);
4809 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION,
4810 &version) == 0);
4811
4812 if (version >= SPA_VERSION_FEATURES) {
4813 int i;
4814 boolean_t poolfirst = B_TRUE;
4815 nvlist_t *enabled = zpool_get_features(zhp);
4816
4817 for (i = 0; i < SPA_FEATURES; i++) {
4818 const char *fguid = spa_feature_table[i].fi_guid;
4819 const char *fname = spa_feature_table[i].fi_uname;
4820 if (!nvlist_exists(enabled, fguid)) {
4821 if (cbp->cb_first) {
4822 (void) printf(gettext("\nSome "
4823 "supported features are not "
4824 "enabled on the following pools. "
4825 "Once a\nfeature is enabled the "
4826 "pool may become incompatible with "
4827 "software\nthat does not support "
4828 "the feature. See "
4829 "zpool-features(7) for "
4830 "details.\n\n"));
4831 (void) printf(gettext("POOL "
4832 "FEATURE\n"));
4833 (void) printf(gettext("------"
4834 "---------\n"));
4835 cbp->cb_first = B_FALSE;
4836 }
4837
4838 if (poolfirst) {
4839 (void) printf(gettext("%s\n"),
4840 zpool_get_name(zhp));
4841 poolfirst = B_FALSE;
4842 }
4843
4844 (void) printf(gettext(" %s\n"), fname);
4845 }
4846 }
4847 }
4848
4849 return (0);
4850 }
4851
4852 /* ARGSUSED */
4853 static int
upgrade_one(zpool_handle_t * zhp,void * data)4854 upgrade_one(zpool_handle_t *zhp, void *data)
4855 {
4856 boolean_t printnl = B_FALSE;
4857 upgrade_cbdata_t *cbp = data;
4858 uint64_t cur_version;
4859 int ret;
4860
4861 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) {
4862 (void) fprintf(stderr, gettext("cannot upgrade '%s': pool is "
4863 "is currently unavailable.\n\n"), zpool_get_name(zhp));
4864 cbp->cb_unavail = B_TRUE;
4865 return (1);
4866 }
4867
4868 if (strcmp("log", zpool_get_name(zhp)) == 0) {
4869 (void) printf(gettext("'log' is now a reserved word\n"
4870 "Pool 'log' must be renamed using export and import"
4871 " to upgrade.\n\n"));
4872 return (1);
4873 }
4874
4875 cur_version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL);
4876 if (cur_version > cbp->cb_version) {
4877 (void) printf(gettext("Pool '%s' is already formatted "
4878 "using more current version '%llu'.\n\n"),
4879 zpool_get_name(zhp), cur_version);
4880 return (0);
4881 }
4882
4883 if (cbp->cb_version != SPA_VERSION && cur_version == cbp->cb_version) {
4884 (void) printf(gettext("Pool '%s' is already formatted "
4885 "using version %llu.\n\n"), zpool_get_name(zhp),
4886 cbp->cb_version);
4887 return (0);
4888 }
4889
4890 if (cur_version != cbp->cb_version) {
4891 printnl = B_TRUE;
4892 ret = upgrade_version(zhp, cbp->cb_version);
4893 if (ret != 0)
4894 return (ret);
4895 #ifdef __FreeBSD__
4896 root_pool_upgrade_check(zhp, cbp->cb_poolname,
4897 sizeof(cbp->cb_poolname));
4898 #endif /* __FreeBSD__ */
4899 }
4900
4901 if (cbp->cb_version >= SPA_VERSION_FEATURES) {
4902 int count = 0;
4903 ret = upgrade_enable_all(zhp, &count);
4904 if (ret != 0)
4905 return (ret);
4906
4907 if (count != 0) {
4908 printnl = B_TRUE;
4909 #ifdef __FreeBSD__
4910 root_pool_upgrade_check(zhp, cbp->cb_poolname,
4911 sizeof(cbp->cb_poolname));
4912 #endif /* __FreeBSD __*/
4913 } else if (cur_version == SPA_VERSION) {
4914 (void) printf(gettext("Pool '%s' already has all "
4915 "supported features enabled.\n\n"),
4916 zpool_get_name(zhp));
4917 }
4918 }
4919
4920 if (printnl) {
4921 (void) printf(gettext("\n"));
4922 }
4923
4924 return (0);
4925 }
4926
4927 /*
4928 * zpool upgrade
4929 * zpool upgrade -v
4930 * zpool upgrade [-V version] <-a | pool ...>
4931 *
4932 * With no arguments, display downrev'd ZFS pool available for upgrade.
4933 * Individual pools can be upgraded by specifying the pool, and '-a' will
4934 * upgrade all pools.
4935 */
4936 int
zpool_do_upgrade(int argc,char ** argv)4937 zpool_do_upgrade(int argc, char **argv)
4938 {
4939 int c;
4940 upgrade_cbdata_t cb = { 0 };
4941 int ret = 0;
4942 boolean_t showversions = B_FALSE;
4943 boolean_t upgradeall = B_FALSE;
4944 char *end;
4945
4946
4947 /* check options */
4948 while ((c = getopt(argc, argv, ":avV:")) != -1) {
4949 switch (c) {
4950 case 'a':
4951 upgradeall = B_TRUE;
4952 break;
4953 case 'v':
4954 showversions = B_TRUE;
4955 break;
4956 case 'V':
4957 cb.cb_version = strtoll(optarg, &end, 10);
4958 if (*end != '\0' ||
4959 !SPA_VERSION_IS_SUPPORTED(cb.cb_version)) {
4960 (void) fprintf(stderr,
4961 gettext("invalid version '%s'\n"), optarg);
4962 usage(B_FALSE);
4963 }
4964 break;
4965 case ':':
4966 (void) fprintf(stderr, gettext("missing argument for "
4967 "'%c' option\n"), optopt);
4968 usage(B_FALSE);
4969 break;
4970 case '?':
4971 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4972 optopt);
4973 usage(B_FALSE);
4974 }
4975 }
4976
4977 cb.cb_argc = argc;
4978 cb.cb_argv = argv;
4979 argc -= optind;
4980 argv += optind;
4981
4982 if (cb.cb_version == 0) {
4983 cb.cb_version = SPA_VERSION;
4984 } else if (!upgradeall && argc == 0) {
4985 (void) fprintf(stderr, gettext("-V option is "
4986 "incompatible with other arguments\n"));
4987 usage(B_FALSE);
4988 }
4989
4990 if (showversions) {
4991 if (upgradeall || argc != 0) {
4992 (void) fprintf(stderr, gettext("-v option is "
4993 "incompatible with other arguments\n"));
4994 usage(B_FALSE);
4995 }
4996 } else if (upgradeall) {
4997 if (argc != 0) {
4998 (void) fprintf(stderr, gettext("-a option should not "
4999 "be used along with a pool name\n"));
5000 usage(B_FALSE);
5001 }
5002 }
5003
5004 (void) printf(gettext("This system supports ZFS pool feature "
5005 "flags.\n\n"));
5006 if (showversions) {
5007 int i;
5008
5009 (void) printf(gettext("The following features are "
5010 "supported:\n\n"));
5011 (void) printf(gettext("FEAT DESCRIPTION\n"));
5012 (void) printf("----------------------------------------------"
5013 "---------------\n");
5014 for (i = 0; i < SPA_FEATURES; i++) {
5015 zfeature_info_t *fi = &spa_feature_table[i];
5016 const char *ro =
5017 (fi->fi_flags & ZFEATURE_FLAG_READONLY_COMPAT) ?
5018 " (read-only compatible)" : "";
5019
5020 (void) printf("%-37s%s\n", fi->fi_uname, ro);
5021 (void) printf(" %s\n", fi->fi_desc);
5022 }
5023 (void) printf("\n");
5024
5025 (void) printf(gettext("The following legacy versions are also "
5026 "supported:\n\n"));
5027 (void) printf(gettext("VER DESCRIPTION\n"));
5028 (void) printf("--- -----------------------------------------"
5029 "---------------\n");
5030 (void) printf(gettext(" 1 Initial ZFS version\n"));
5031 (void) printf(gettext(" 2 Ditto blocks "
5032 "(replicated metadata)\n"));
5033 (void) printf(gettext(" 3 Hot spares and double parity "
5034 "RAID-Z\n"));
5035 (void) printf(gettext(" 4 zpool history\n"));
5036 (void) printf(gettext(" 5 Compression using the gzip "
5037 "algorithm\n"));
5038 (void) printf(gettext(" 6 bootfs pool property\n"));
5039 (void) printf(gettext(" 7 Separate intent log devices\n"));
5040 (void) printf(gettext(" 8 Delegated administration\n"));
5041 (void) printf(gettext(" 9 refquota and refreservation "
5042 "properties\n"));
5043 (void) printf(gettext(" 10 Cache devices\n"));
5044 (void) printf(gettext(" 11 Improved scrub performance\n"));
5045 (void) printf(gettext(" 12 Snapshot properties\n"));
5046 (void) printf(gettext(" 13 snapused property\n"));
5047 (void) printf(gettext(" 14 passthrough-x aclinherit\n"));
5048 (void) printf(gettext(" 15 user/group space accounting\n"));
5049 (void) printf(gettext(" 16 stmf property support\n"));
5050 (void) printf(gettext(" 17 Triple-parity RAID-Z\n"));
5051 (void) printf(gettext(" 18 Snapshot user holds\n"));
5052 (void) printf(gettext(" 19 Log device removal\n"));
5053 (void) printf(gettext(" 20 Compression using zle "
5054 "(zero-length encoding)\n"));
5055 (void) printf(gettext(" 21 Deduplication\n"));
5056 (void) printf(gettext(" 22 Received properties\n"));
5057 (void) printf(gettext(" 23 Slim ZIL\n"));
5058 (void) printf(gettext(" 24 System attributes\n"));
5059 (void) printf(gettext(" 25 Improved scrub stats\n"));
5060 (void) printf(gettext(" 26 Improved snapshot deletion "
5061 "performance\n"));
5062 (void) printf(gettext(" 27 Improved snapshot creation "
5063 "performance\n"));
5064 (void) printf(gettext(" 28 Multiple vdev replacements\n"));
5065 (void) printf(gettext("\nFor more information on a particular "
5066 "version, including supported releases,\n"));
5067 (void) printf(gettext("see the ZFS Administration Guide.\n\n"));
5068 } else if (argc == 0 && upgradeall) {
5069 cb.cb_first = B_TRUE;
5070 ret = zpool_iter(g_zfs, upgrade_cb, &cb);
5071 if (ret == 0 && cb.cb_first) {
5072 if (cb.cb_version == SPA_VERSION) {
5073 (void) printf(gettext("All %spools are already "
5074 "formatted using feature flags.\n\n"),
5075 cb.cb_unavail ? gettext("available ") : "");
5076 (void) printf(gettext("Every %sfeature flags "
5077 "pool already has all supported features "
5078 "enabled.\n"),
5079 cb.cb_unavail ? gettext("available ") : "");
5080 } else {
5081 (void) printf(gettext("All pools are already "
5082 "formatted with version %llu or higher.\n"),
5083 cb.cb_version);
5084 }
5085 }
5086 } else if (argc == 0) {
5087 cb.cb_first = B_TRUE;
5088 ret = zpool_iter(g_zfs, upgrade_list_unavail, &cb);
5089 assert(ret == 0);
5090
5091 if (!cb.cb_first) {
5092 (void) fprintf(stderr, "\n");
5093 }
5094
5095 cb.cb_first = B_TRUE;
5096 ret = zpool_iter(g_zfs, upgrade_list_older_cb, &cb);
5097 assert(ret == 0);
5098
5099 if (cb.cb_first) {
5100 (void) printf(gettext("All %spools are formatted using "
5101 "feature flags.\n\n"), cb.cb_unavail ?
5102 gettext("available ") : "");
5103 } else {
5104 (void) printf(gettext("\nUse 'zpool upgrade -v' "
5105 "for a list of available legacy versions.\n"));
5106 }
5107
5108 cb.cb_first = B_TRUE;
5109 ret = zpool_iter(g_zfs, upgrade_list_disabled_cb, &cb);
5110 assert(ret == 0);
5111
5112 if (cb.cb_first) {
5113 (void) printf(gettext("Every %sfeature flags pool has "
5114 "all supported features enabled.\n"),
5115 cb.cb_unavail ? gettext("available ") : "");
5116 } else {
5117 (void) printf(gettext("\n"));
5118 }
5119 } else {
5120 ret = for_each_pool(argc, argv, B_TRUE, NULL,
5121 upgrade_one, &cb);
5122 }
5123
5124 if (cb.cb_poolname[0] != '\0') {
5125 (void) printf(
5126 "If you boot from pool '%s', don't forget to update boot code.\n"
5127 "Assuming you use GPT partitioning and da0 is your boot disk\n"
5128 "the following command will do it:\n"
5129 "\n"
5130 "\tgpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 da0\n\n",
5131 cb.cb_poolname);
5132 }
5133
5134 return (ret);
5135 }
5136
5137 typedef struct hist_cbdata {
5138 boolean_t first;
5139 boolean_t longfmt;
5140 boolean_t internal;
5141 } hist_cbdata_t;
5142
5143 /*
5144 * Print out the command history for a specific pool.
5145 */
5146 static int
get_history_one(zpool_handle_t * zhp,void * data)5147 get_history_one(zpool_handle_t *zhp, void *data)
5148 {
5149 nvlist_t *nvhis;
5150 nvlist_t **records;
5151 uint_t numrecords;
5152 int ret, i;
5153 hist_cbdata_t *cb = (hist_cbdata_t *)data;
5154
5155 cb->first = B_FALSE;
5156
5157 (void) printf(gettext("History for '%s':\n"), zpool_get_name(zhp));
5158
5159 if ((ret = zpool_get_history(zhp, &nvhis)) != 0)
5160 return (ret);
5161
5162 verify(nvlist_lookup_nvlist_array(nvhis, ZPOOL_HIST_RECORD,
5163 &records, &numrecords) == 0);
5164 for (i = 0; i < numrecords; i++) {
5165 nvlist_t *rec = records[i];
5166 char tbuf[30] = "";
5167
5168 if (nvlist_exists(rec, ZPOOL_HIST_TIME)) {
5169 time_t tsec;
5170 struct tm t;
5171
5172 tsec = fnvlist_lookup_uint64(records[i],
5173 ZPOOL_HIST_TIME);
5174 (void) localtime_r(&tsec, &t);
5175 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t);
5176 }
5177
5178 if (nvlist_exists(rec, ZPOOL_HIST_CMD)) {
5179 (void) printf("%s %s", tbuf,
5180 fnvlist_lookup_string(rec, ZPOOL_HIST_CMD));
5181 } else if (nvlist_exists(rec, ZPOOL_HIST_INT_EVENT)) {
5182 int ievent =
5183 fnvlist_lookup_uint64(rec, ZPOOL_HIST_INT_EVENT);
5184 if (!cb->internal)
5185 continue;
5186 if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS) {
5187 (void) printf("%s unrecognized record:\n",
5188 tbuf);
5189 dump_nvlist(rec, 4);
5190 continue;
5191 }
5192 (void) printf("%s [internal %s txg:%lld] %s", tbuf,
5193 zfs_history_event_names[ievent],
5194 fnvlist_lookup_uint64(rec, ZPOOL_HIST_TXG),
5195 fnvlist_lookup_string(rec, ZPOOL_HIST_INT_STR));
5196 } else if (nvlist_exists(rec, ZPOOL_HIST_INT_NAME)) {
5197 if (!cb->internal)
5198 continue;
5199 (void) printf("%s [txg:%lld] %s", tbuf,
5200 fnvlist_lookup_uint64(rec, ZPOOL_HIST_TXG),
5201 fnvlist_lookup_string(rec, ZPOOL_HIST_INT_NAME));
5202 if (nvlist_exists(rec, ZPOOL_HIST_DSNAME)) {
5203 (void) printf(" %s (%llu)",
5204 fnvlist_lookup_string(rec,
5205 ZPOOL_HIST_DSNAME),
5206 fnvlist_lookup_uint64(rec,
5207 ZPOOL_HIST_DSID));
5208 }
5209 (void) printf(" %s", fnvlist_lookup_string(rec,
5210 ZPOOL_HIST_INT_STR));
5211 } else if (nvlist_exists(rec, ZPOOL_HIST_IOCTL)) {
5212 if (!cb->internal)
5213 continue;
5214 (void) printf("%s ioctl %s\n", tbuf,
5215 fnvlist_lookup_string(rec, ZPOOL_HIST_IOCTL));
5216 if (nvlist_exists(rec, ZPOOL_HIST_INPUT_NVL)) {
5217 (void) printf(" input:\n");
5218 dump_nvlist(fnvlist_lookup_nvlist(rec,
5219 ZPOOL_HIST_INPUT_NVL), 8);
5220 }
5221 if (nvlist_exists(rec, ZPOOL_HIST_OUTPUT_NVL)) {
5222 (void) printf(" output:\n");
5223 dump_nvlist(fnvlist_lookup_nvlist(rec,
5224 ZPOOL_HIST_OUTPUT_NVL), 8);
5225 }
5226 } else {
5227 if (!cb->internal)
5228 continue;
5229 (void) printf("%s unrecognized record:\n", tbuf);
5230 dump_nvlist(rec, 4);
5231 }
5232
5233 if (!cb->longfmt) {
5234 (void) printf("\n");
5235 continue;
5236 }
5237 (void) printf(" [");
5238 if (nvlist_exists(rec, ZPOOL_HIST_WHO)) {
5239 uid_t who = fnvlist_lookup_uint64(rec, ZPOOL_HIST_WHO);
5240 struct passwd *pwd = getpwuid(who);
5241 (void) printf("user %d ", (int)who);
5242 if (pwd != NULL)
5243 (void) printf("(%s) ", pwd->pw_name);
5244 }
5245 if (nvlist_exists(rec, ZPOOL_HIST_HOST)) {
5246 (void) printf("on %s",
5247 fnvlist_lookup_string(rec, ZPOOL_HIST_HOST));
5248 }
5249 if (nvlist_exists(rec, ZPOOL_HIST_ZONE)) {
5250 (void) printf(":%s",
5251 fnvlist_lookup_string(rec, ZPOOL_HIST_ZONE));
5252 }
5253 (void) printf("]");
5254 (void) printf("\n");
5255 }
5256 (void) printf("\n");
5257 nvlist_free(nvhis);
5258
5259 return (ret);
5260 }
5261
5262 /*
5263 * zpool history <pool>
5264 *
5265 * Displays the history of commands that modified pools.
5266 */
5267 int
zpool_do_history(int argc,char ** argv)5268 zpool_do_history(int argc, char **argv)
5269 {
5270 hist_cbdata_t cbdata = { 0 };
5271 int ret;
5272 int c;
5273
5274 cbdata.first = B_TRUE;
5275 /* check options */
5276 while ((c = getopt(argc, argv, "li")) != -1) {
5277 switch (c) {
5278 case 'l':
5279 cbdata.longfmt = B_TRUE;
5280 break;
5281 case 'i':
5282 cbdata.internal = B_TRUE;
5283 break;
5284 case '?':
5285 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
5286 optopt);
5287 usage(B_FALSE);
5288 }
5289 }
5290 argc -= optind;
5291 argv += optind;
5292
5293 ret = for_each_pool(argc, argv, B_FALSE, NULL, get_history_one,
5294 &cbdata);
5295
5296 if (argc == 0 && cbdata.first == B_TRUE) {
5297 (void) printf(gettext("no pools available\n"));
5298 return (0);
5299 }
5300
5301 return (ret);
5302 }
5303
5304 static int
get_callback(zpool_handle_t * zhp,void * data)5305 get_callback(zpool_handle_t *zhp, void *data)
5306 {
5307 zprop_get_cbdata_t *cbp = (zprop_get_cbdata_t *)data;
5308 char value[MAXNAMELEN];
5309 zprop_source_t srctype;
5310 zprop_list_t *pl;
5311
5312 for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) {
5313
5314 /*
5315 * Skip the special fake placeholder. This will also skip
5316 * over the name property when 'all' is specified.
5317 */
5318 if (pl->pl_prop == ZPOOL_PROP_NAME &&
5319 pl == cbp->cb_proplist)
5320 continue;
5321
5322 if (pl->pl_prop == ZPROP_INVAL &&
5323 (zpool_prop_feature(pl->pl_user_prop) ||
5324 zpool_prop_unsupported(pl->pl_user_prop))) {
5325 srctype = ZPROP_SRC_LOCAL;
5326
5327 if (zpool_prop_get_feature(zhp, pl->pl_user_prop,
5328 value, sizeof (value)) == 0) {
5329 zprop_print_one_property(zpool_get_name(zhp),
5330 cbp, pl->pl_user_prop, value, srctype,
5331 NULL, NULL);
5332 }
5333 } else {
5334 if (zpool_get_prop(zhp, pl->pl_prop, value,
5335 sizeof (value), &srctype, cbp->cb_literal) != 0)
5336 continue;
5337
5338 zprop_print_one_property(zpool_get_name(zhp), cbp,
5339 zpool_prop_to_name(pl->pl_prop), value, srctype,
5340 NULL, NULL);
5341 }
5342 }
5343 return (0);
5344 }
5345
5346 /*
5347 * zpool get [-Hp] [-o "all" | field[,...]] <"all" | property[,...]> <pool> ...
5348 *
5349 * -H Scripted mode. Don't display headers, and separate properties
5350 * by a single tab.
5351 * -o List of columns to display. Defaults to
5352 * "name,property,value,source".
5353 * -p Diplay values in parsable (exact) format.
5354 *
5355 * Get properties of pools in the system. Output space statistics
5356 * for each one as well as other attributes.
5357 */
5358 int
zpool_do_get(int argc,char ** argv)5359 zpool_do_get(int argc, char **argv)
5360 {
5361 zprop_get_cbdata_t cb = { 0 };
5362 zprop_list_t fake_name = { 0 };
5363 int ret;
5364 int c, i;
5365 char *value;
5366
5367 cb.cb_first = B_TRUE;
5368
5369 /*
5370 * Set up default columns and sources.
5371 */
5372 cb.cb_sources = ZPROP_SRC_ALL;
5373 cb.cb_columns[0] = GET_COL_NAME;
5374 cb.cb_columns[1] = GET_COL_PROPERTY;
5375 cb.cb_columns[2] = GET_COL_VALUE;
5376 cb.cb_columns[3] = GET_COL_SOURCE;
5377 cb.cb_type = ZFS_TYPE_POOL;
5378
5379 /* check options */
5380 while ((c = getopt(argc, argv, ":Hpo:")) != -1) {
5381 switch (c) {
5382 case 'p':
5383 cb.cb_literal = B_TRUE;
5384 break;
5385 case 'H':
5386 cb.cb_scripted = B_TRUE;
5387 break;
5388 case 'o':
5389 bzero(&cb.cb_columns, sizeof (cb.cb_columns));
5390 i = 0;
5391 while (*optarg != '\0') {
5392 static char *col_subopts[] =
5393 { "name", "property", "value", "source",
5394 "all", NULL };
5395
5396 if (i == ZFS_GET_NCOLS) {
5397 (void) fprintf(stderr, gettext("too "
5398 "many fields given to -o "
5399 "option\n"));
5400 usage(B_FALSE);
5401 }
5402
5403 switch (getsubopt(&optarg, col_subopts,
5404 &value)) {
5405 case 0:
5406 cb.cb_columns[i++] = GET_COL_NAME;
5407 break;
5408 case 1:
5409 cb.cb_columns[i++] = GET_COL_PROPERTY;
5410 break;
5411 case 2:
5412 cb.cb_columns[i++] = GET_COL_VALUE;
5413 break;
5414 case 3:
5415 cb.cb_columns[i++] = GET_COL_SOURCE;
5416 break;
5417 case 4:
5418 if (i > 0) {
5419 (void) fprintf(stderr,
5420 gettext("\"all\" conflicts "
5421 "with specific fields "
5422 "given to -o option\n"));
5423 usage(B_FALSE);
5424 }
5425 cb.cb_columns[0] = GET_COL_NAME;
5426 cb.cb_columns[1] = GET_COL_PROPERTY;
5427 cb.cb_columns[2] = GET_COL_VALUE;
5428 cb.cb_columns[3] = GET_COL_SOURCE;
5429 i = ZFS_GET_NCOLS;
5430 break;
5431 default:
5432 (void) fprintf(stderr,
5433 gettext("invalid column name "
5434 "'%s'\n"), suboptarg);
5435 usage(B_FALSE);
5436 }
5437 }
5438 break;
5439 case '?':
5440 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
5441 optopt);
5442 usage(B_FALSE);
5443 }
5444 }
5445
5446 argc -= optind;
5447 argv += optind;
5448
5449 if (argc < 1) {
5450 (void) fprintf(stderr, gettext("missing property "
5451 "argument\n"));
5452 usage(B_FALSE);
5453 }
5454
5455 if (zprop_get_list(g_zfs, argv[0], &cb.cb_proplist,
5456 ZFS_TYPE_POOL) != 0)
5457 usage(B_FALSE);
5458
5459 argc--;
5460 argv++;
5461
5462 if (cb.cb_proplist != NULL) {
5463 fake_name.pl_prop = ZPOOL_PROP_NAME;
5464 fake_name.pl_width = strlen(gettext("NAME"));
5465 fake_name.pl_next = cb.cb_proplist;
5466 cb.cb_proplist = &fake_name;
5467 }
5468
5469 ret = for_each_pool(argc, argv, B_TRUE, &cb.cb_proplist,
5470 get_callback, &cb);
5471
5472 if (cb.cb_proplist == &fake_name)
5473 zprop_free_list(fake_name.pl_next);
5474 else
5475 zprop_free_list(cb.cb_proplist);
5476
5477 return (ret);
5478 }
5479
5480 typedef struct set_cbdata {
5481 char *cb_propname;
5482 char *cb_value;
5483 boolean_t cb_any_successful;
5484 } set_cbdata_t;
5485
5486 int
set_callback(zpool_handle_t * zhp,void * data)5487 set_callback(zpool_handle_t *zhp, void *data)
5488 {
5489 int error;
5490 set_cbdata_t *cb = (set_cbdata_t *)data;
5491
5492 error = zpool_set_prop(zhp, cb->cb_propname, cb->cb_value);
5493
5494 if (!error)
5495 cb->cb_any_successful = B_TRUE;
5496
5497 return (error);
5498 }
5499
5500 int
zpool_do_set(int argc,char ** argv)5501 zpool_do_set(int argc, char **argv)
5502 {
5503 set_cbdata_t cb = { 0 };
5504 int error;
5505
5506 if (argc > 1 && argv[1][0] == '-') {
5507 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
5508 argv[1][1]);
5509 usage(B_FALSE);
5510 }
5511
5512 if (argc < 2) {
5513 (void) fprintf(stderr, gettext("missing property=value "
5514 "argument\n"));
5515 usage(B_FALSE);
5516 }
5517
5518 if (argc < 3) {
5519 (void) fprintf(stderr, gettext("missing pool name\n"));
5520 usage(B_FALSE);
5521 }
5522
5523 if (argc > 3) {
5524 (void) fprintf(stderr, gettext("too many pool names\n"));
5525 usage(B_FALSE);
5526 }
5527
5528 cb.cb_propname = argv[1];
5529 cb.cb_value = strchr(cb.cb_propname, '=');
5530 if (cb.cb_value == NULL) {
5531 (void) fprintf(stderr, gettext("missing value in "
5532 "property=value argument\n"));
5533 usage(B_FALSE);
5534 }
5535
5536 *(cb.cb_value) = '\0';
5537 cb.cb_value++;
5538
5539 error = for_each_pool(argc - 2, argv + 2, B_TRUE, NULL,
5540 set_callback, &cb);
5541
5542 return (error);
5543 }
5544
5545 static int
find_command_idx(char * command,int * idx)5546 find_command_idx(char *command, int *idx)
5547 {
5548 int i;
5549
5550 for (i = 0; i < NCOMMAND; i++) {
5551 if (command_table[i].name == NULL)
5552 continue;
5553
5554 if (strcmp(command, command_table[i].name) == 0) {
5555 *idx = i;
5556 return (0);
5557 }
5558 }
5559 return (1);
5560 }
5561
5562 int
main(int argc,char ** argv)5563 main(int argc, char **argv)
5564 {
5565 int ret = 0;
5566 int i;
5567 char *cmdname;
5568
5569 (void) setlocale(LC_ALL, "");
5570 (void) textdomain(TEXT_DOMAIN);
5571
5572 if ((g_zfs = libzfs_init()) == NULL) {
5573 (void) fprintf(stderr, gettext("internal error: failed to "
5574 "initialize ZFS library\n"));
5575 return (1);
5576 }
5577
5578 libzfs_print_on_error(g_zfs, B_TRUE);
5579
5580 opterr = 0;
5581
5582 /*
5583 * Make sure the user has specified some command.
5584 */
5585 if (argc < 2) {
5586 (void) fprintf(stderr, gettext("missing command\n"));
5587 usage(B_FALSE);
5588 }
5589
5590 cmdname = argv[1];
5591
5592 /*
5593 * Special case '-?'
5594 */
5595 if (strcmp(cmdname, "-?") == 0)
5596 usage(B_TRUE);
5597
5598 zfs_save_arguments(argc, argv, history_str, sizeof (history_str));
5599
5600 /*
5601 * Run the appropriate command.
5602 */
5603 if (find_command_idx(cmdname, &i) == 0) {
5604 current_command = &command_table[i];
5605 ret = command_table[i].func(argc - 1, argv + 1);
5606 } else if (strchr(cmdname, '=')) {
5607 verify(find_command_idx("set", &i) == 0);
5608 current_command = &command_table[i];
5609 ret = command_table[i].func(argc, argv);
5610 } else if (strcmp(cmdname, "freeze") == 0 && argc == 3) {
5611 /*
5612 * 'freeze' is a vile debugging abomination, so we treat
5613 * it as such.
5614 */
5615 zfs_cmd_t zc = { 0 };
5616 (void) strlcpy(zc.zc_name, argv[2], sizeof (zc.zc_name));
5617 return (!!zfs_ioctl(g_zfs, ZFS_IOC_POOL_FREEZE, &zc));
5618 } else {
5619 (void) fprintf(stderr, gettext("unrecognized "
5620 "command '%s'\n"), cmdname);
5621 usage(B_FALSE);
5622 }
5623
5624 if (ret == 0 && log_history)
5625 (void) zpool_log_history(g_zfs, history_str);
5626
5627 libzfs_fini(g_zfs);
5628
5629 /*
5630 * The 'ZFS_ABORT' environment variable causes us to dump core on exit
5631 * for the purposes of running ::findleaks.
5632 */
5633 if (getenv("ZFS_ABORT") != NULL) {
5634 (void) printf("dumping core by request\n");
5635 abort();
5636 }
5637
5638 return (ret);
5639 }
5640