1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate /* 30*0Sstevel@tonic-gate * sync metadevices 31*0Sstevel@tonic-gate */ 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate #include <meta.h> 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate #include <sys/lvm/md_mirror.h> 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate #include <ctype.h> 38*0Sstevel@tonic-gate 39*0Sstevel@tonic-gate #include <sdssc.h> 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate /* 42*0Sstevel@tonic-gate * print usage message 43*0Sstevel@tonic-gate */ 44*0Sstevel@tonic-gate static void 45*0Sstevel@tonic-gate usage( 46*0Sstevel@tonic-gate mdsetname_t *sp, 47*0Sstevel@tonic-gate int eval 48*0Sstevel@tonic-gate ) 49*0Sstevel@tonic-gate { 50*0Sstevel@tonic-gate (void) fprintf(stderr, gettext("\ 51*0Sstevel@tonic-gate usage: %s [-s setname] -r [buffer_size]\n\ 52*0Sstevel@tonic-gate %s [-s setname] [buffer_size] metadevices...\n\ 53*0Sstevel@tonic-gate %s [-s setname] -c metadevices...\n"), 54*0Sstevel@tonic-gate myname, myname, myname); 55*0Sstevel@tonic-gate md_exit(sp, eval); 56*0Sstevel@tonic-gate } 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate /* 59*0Sstevel@tonic-gate * crack command line arguments. 60*0Sstevel@tonic-gate */ 61*0Sstevel@tonic-gate int 62*0Sstevel@tonic-gate main( 63*0Sstevel@tonic-gate int argc, 64*0Sstevel@tonic-gate char *argv[] 65*0Sstevel@tonic-gate ) 66*0Sstevel@tonic-gate { 67*0Sstevel@tonic-gate char *sname = NULL; 68*0Sstevel@tonic-gate mdsetname_t *sp = NULL; 69*0Sstevel@tonic-gate int rflag = 0; 70*0Sstevel@tonic-gate int pflag = 0; 71*0Sstevel@tonic-gate daddr_t size = 0; 72*0Sstevel@tonic-gate int c; 73*0Sstevel@tonic-gate md_error_t status = mdnullerror; 74*0Sstevel@tonic-gate md_error_t *ep = &status; 75*0Sstevel@tonic-gate int rval = 0; 76*0Sstevel@tonic-gate int error; 77*0Sstevel@tonic-gate md_resync_cmd_t resync_cmd = MD_RESYNC_START; 78*0Sstevel@tonic-gate bool_t called_thru_rpc = FALSE; 79*0Sstevel@tonic-gate char *cp; 80*0Sstevel@tonic-gate int mn_set = FALSE; 81*0Sstevel@tonic-gate int cflag = 0; 82*0Sstevel@tonic-gate 83*0Sstevel@tonic-gate /* 84*0Sstevel@tonic-gate * Get the locale set up before calling any other routines 85*0Sstevel@tonic-gate * with messages to ouput. Just in case we're not in a build 86*0Sstevel@tonic-gate * environment, make sure that TEXT_DOMAIN gets set to 87*0Sstevel@tonic-gate * something. 88*0Sstevel@tonic-gate */ 89*0Sstevel@tonic-gate #if !defined(TEXT_DOMAIN) 90*0Sstevel@tonic-gate #define TEXT_DOMAIN "SYS_TEST" 91*0Sstevel@tonic-gate #endif 92*0Sstevel@tonic-gate (void) setlocale(LC_ALL, ""); 93*0Sstevel@tonic-gate (void) textdomain(TEXT_DOMAIN); 94*0Sstevel@tonic-gate 95*0Sstevel@tonic-gate if ((cp = strstr(argv[0], ".rpc_call")) == NULL) { 96*0Sstevel@tonic-gate if (sdssc_bind_library() == SDSSC_OKAY) 97*0Sstevel@tonic-gate if (sdssc_cmd_proxy(argc, argv, SDSSC_PROXY_PRIMARY, 98*0Sstevel@tonic-gate &error) == SDSSC_PROXY_DONE) 99*0Sstevel@tonic-gate exit(error); 100*0Sstevel@tonic-gate } else { 101*0Sstevel@tonic-gate *cp = '\0'; /* cut off ".rpc_call" */ 102*0Sstevel@tonic-gate called_thru_rpc = TRUE; 103*0Sstevel@tonic-gate } 104*0Sstevel@tonic-gate 105*0Sstevel@tonic-gate 106*0Sstevel@tonic-gate /* initialize */ 107*0Sstevel@tonic-gate if (md_init(argc, argv, 0, 1, ep) != 0 || 108*0Sstevel@tonic-gate meta_check_root(ep) != 0) { 109*0Sstevel@tonic-gate mde_perror(ep, ""); 110*0Sstevel@tonic-gate md_exit(sp, 1); 111*0Sstevel@tonic-gate } 112*0Sstevel@tonic-gate 113*0Sstevel@tonic-gate /* parse args */ 114*0Sstevel@tonic-gate optind = 1; 115*0Sstevel@tonic-gate opterr = 1; 116*0Sstevel@tonic-gate while ((c = getopt(argc, argv, "phs:rc?")) != -1) { 117*0Sstevel@tonic-gate switch (c) { 118*0Sstevel@tonic-gate case 'h': 119*0Sstevel@tonic-gate usage(sp, 0); 120*0Sstevel@tonic-gate break; 121*0Sstevel@tonic-gate 122*0Sstevel@tonic-gate case 's': 123*0Sstevel@tonic-gate sname = optarg; 124*0Sstevel@tonic-gate break; 125*0Sstevel@tonic-gate 126*0Sstevel@tonic-gate case 'r': 127*0Sstevel@tonic-gate ++rflag; 128*0Sstevel@tonic-gate break; 129*0Sstevel@tonic-gate 130*0Sstevel@tonic-gate case 'p': 131*0Sstevel@tonic-gate ++pflag; 132*0Sstevel@tonic-gate break; 133*0Sstevel@tonic-gate 134*0Sstevel@tonic-gate case 'c': 135*0Sstevel@tonic-gate ++cflag; 136*0Sstevel@tonic-gate resync_cmd = MD_RESYNC_KILL; 137*0Sstevel@tonic-gate break; 138*0Sstevel@tonic-gate 139*0Sstevel@tonic-gate case '?': 140*0Sstevel@tonic-gate if (optopt == '?') 141*0Sstevel@tonic-gate usage(sp, 0); 142*0Sstevel@tonic-gate /*FALLTHROUGH*/ 143*0Sstevel@tonic-gate default: 144*0Sstevel@tonic-gate usage(sp, 1); 145*0Sstevel@tonic-gate break; 146*0Sstevel@tonic-gate } 147*0Sstevel@tonic-gate } 148*0Sstevel@tonic-gate if ((pflag + rflag) > 1) { 149*0Sstevel@tonic-gate usage(sp, 1); 150*0Sstevel@tonic-gate mde_perror(ep, ""); 151*0Sstevel@tonic-gate md_exit(sp, 1); 152*0Sstevel@tonic-gate } 153*0Sstevel@tonic-gate argc -= optind; 154*0Sstevel@tonic-gate argv += optind; 155*0Sstevel@tonic-gate 156*0Sstevel@tonic-gate if (sname != NULL) { 157*0Sstevel@tonic-gate if ((sp = metasetname(sname, ep)) == NULL) { 158*0Sstevel@tonic-gate mde_perror(ep, ""); 159*0Sstevel@tonic-gate md_exit(sp, 1); 160*0Sstevel@tonic-gate } 161*0Sstevel@tonic-gate } 162*0Sstevel@tonic-gate 163*0Sstevel@tonic-gate /* 164*0Sstevel@tonic-gate * look for buffer size. If one is not specified we pass '0' to 165*0Sstevel@tonic-gate * the meta_resync_all() call. This uses whatever size has been 166*0Sstevel@tonic-gate * configured via md_mirror:md_resync_bufsz 167*0Sstevel@tonic-gate * The default value (if not overridden in /etc/system) is 168*0Sstevel@tonic-gate * MD_DEF_RESYNC_BUF_SIZE 169*0Sstevel@tonic-gate */ 170*0Sstevel@tonic-gate if ((argc > 0) && (isdigit(argv[0][0]))) { 171*0Sstevel@tonic-gate if ((size = atoi(argv[optind++])) < 0) { 172*0Sstevel@tonic-gate md_eprintf(gettext( 173*0Sstevel@tonic-gate "illegal buffer size %s\n"), 174*0Sstevel@tonic-gate argv[0]); 175*0Sstevel@tonic-gate md_exit(sp, 1); 176*0Sstevel@tonic-gate } 177*0Sstevel@tonic-gate --argc; 178*0Sstevel@tonic-gate ++argv; 179*0Sstevel@tonic-gate } 180*0Sstevel@tonic-gate 181*0Sstevel@tonic-gate /* sync all devices in set */ 182*0Sstevel@tonic-gate if (rflag) { 183*0Sstevel@tonic-gate /* get set */ 184*0Sstevel@tonic-gate if (argc != 0) 185*0Sstevel@tonic-gate usage(sp, 1); 186*0Sstevel@tonic-gate if ((sp == NULL) && 187*0Sstevel@tonic-gate ((sp = metasetname(MD_LOCAL_NAME, ep)) == NULL) && 188*0Sstevel@tonic-gate (metaget_setdesc(sp, ep) == NULL)) { 189*0Sstevel@tonic-gate mde_perror(ep, ""); 190*0Sstevel@tonic-gate md_exit(sp, 1); 191*0Sstevel@tonic-gate } 192*0Sstevel@tonic-gate 193*0Sstevel@tonic-gate assert(sp != NULL); 194*0Sstevel@tonic-gate /* 195*0Sstevel@tonic-gate * For a MN set "metasync -r" can only be called by the 196*0Sstevel@tonic-gate * initiator. We must not take the set lock for a MN set as 197*0Sstevel@tonic-gate * it will only generate individual metasync commands which 198*0Sstevel@tonic-gate * will individually take the lock when executing the 199*0Sstevel@tonic-gate * individual metasync commands. 200*0Sstevel@tonic-gate * Therefore only take the set lock for non MN sets. 201*0Sstevel@tonic-gate */ 202*0Sstevel@tonic-gate if (meta_is_mn_set(sp, ep) == 0) { 203*0Sstevel@tonic-gate /* grab set lock */ 204*0Sstevel@tonic-gate if (meta_lock(sp, TRUE, ep)) { 205*0Sstevel@tonic-gate mde_perror(ep, ""); 206*0Sstevel@tonic-gate md_exit(sp, 1); 207*0Sstevel@tonic-gate } 208*0Sstevel@tonic-gate 209*0Sstevel@tonic-gate /* check for ownership */ 210*0Sstevel@tonic-gate if (meta_check_ownership(sp, ep) != 0) { 211*0Sstevel@tonic-gate mde_perror(ep, ""); 212*0Sstevel@tonic-gate md_exit(sp, 1); 213*0Sstevel@tonic-gate } 214*0Sstevel@tonic-gate } 215*0Sstevel@tonic-gate /* resync all metadevices in set */ 216*0Sstevel@tonic-gate if (meta_resync_all(sp, size, ep) != 0) { 217*0Sstevel@tonic-gate mde_perror(ep, ""); 218*0Sstevel@tonic-gate md_exit(sp, 1); 219*0Sstevel@tonic-gate } 220*0Sstevel@tonic-gate md_exit(sp, 0); 221*0Sstevel@tonic-gate } 222*0Sstevel@tonic-gate 223*0Sstevel@tonic-gate /* sync specified metadevices */ 224*0Sstevel@tonic-gate if (argc <= 0) 225*0Sstevel@tonic-gate usage(sp, 1); 226*0Sstevel@tonic-gate 227*0Sstevel@tonic-gate /* 228*0Sstevel@tonic-gate * Note that if sp is NULL, meta_is_mn_name() derives sp 229*0Sstevel@tonic-gate * from argv[0] which is the metadevice arg 230*0Sstevel@tonic-gate */ 231*0Sstevel@tonic-gate if (meta_is_mn_name(&sp, argv[0], ep)) 232*0Sstevel@tonic-gate mn_set = TRUE; 233*0Sstevel@tonic-gate 234*0Sstevel@tonic-gate for (; (argc > 0); --argc, ++argv) { 235*0Sstevel@tonic-gate mdname_t *np; 236*0Sstevel@tonic-gate int result; 237*0Sstevel@tonic-gate 238*0Sstevel@tonic-gate /* get device */ 239*0Sstevel@tonic-gate if ((np = metaname(&sp, argv[0], ep)) == NULL) { 240*0Sstevel@tonic-gate mde_perror(ep, ""); 241*0Sstevel@tonic-gate rval = -1; 242*0Sstevel@tonic-gate continue; 243*0Sstevel@tonic-gate } 244*0Sstevel@tonic-gate assert(sp != NULL); 245*0Sstevel@tonic-gate 246*0Sstevel@tonic-gate /* 247*0Sstevel@tonic-gate * If we are not called through an rpc call and the 248*0Sstevel@tonic-gate * set associated with the command is an MN set, send 249*0Sstevel@tonic-gate * a setsync message to the master of the set and let it 250*0Sstevel@tonic-gate * deal with it. 251*0Sstevel@tonic-gate */ 252*0Sstevel@tonic-gate if (!called_thru_rpc && mn_set) { 253*0Sstevel@tonic-gate if ((result = meta_mn_send_setsync(sp, np, size, 254*0Sstevel@tonic-gate ep)) != 0) { 255*0Sstevel@tonic-gate mde_perror(ep, "Unable to start resync"); 256*0Sstevel@tonic-gate md_exit(sp, result); 257*0Sstevel@tonic-gate } 258*0Sstevel@tonic-gate continue; 259*0Sstevel@tonic-gate } 260*0Sstevel@tonic-gate 261*0Sstevel@tonic-gate /* grab set lock */ 262*0Sstevel@tonic-gate if (meta_lock(sp, TRUE, ep)) { 263*0Sstevel@tonic-gate mde_perror(ep, ""); 264*0Sstevel@tonic-gate md_exit(sp, 1); 265*0Sstevel@tonic-gate } 266*0Sstevel@tonic-gate 267*0Sstevel@tonic-gate /* check for ownership */ 268*0Sstevel@tonic-gate if (meta_check_ownership(sp, ep) != 0) { 269*0Sstevel@tonic-gate mde_perror(ep, ""); 270*0Sstevel@tonic-gate md_exit(sp, 1); /* no point in continuing */ 271*0Sstevel@tonic-gate } 272*0Sstevel@tonic-gate 273*0Sstevel@tonic-gate /* resync or regen (raid only) metadevice */ 274*0Sstevel@tonic-gate if (pflag) { 275*0Sstevel@tonic-gate /* regen */ 276*0Sstevel@tonic-gate if (meta_raid_regen_byname(sp, np, size, ep) != 0) { 277*0Sstevel@tonic-gate mde_perror(ep, ""); 278*0Sstevel@tonic-gate rval = -1; 279*0Sstevel@tonic-gate continue; 280*0Sstevel@tonic-gate } 281*0Sstevel@tonic-gate } else { 282*0Sstevel@tonic-gate if (meta_resync_byname(sp, np, size, ep, resync_cmd) 283*0Sstevel@tonic-gate != 0) { 284*0Sstevel@tonic-gate mde_perror(ep, ""); 285*0Sstevel@tonic-gate rval = -1; 286*0Sstevel@tonic-gate continue; 287*0Sstevel@tonic-gate } 288*0Sstevel@tonic-gate } 289*0Sstevel@tonic-gate } 290*0Sstevel@tonic-gate 291*0Sstevel@tonic-gate /* return success */ 292*0Sstevel@tonic-gate md_exit(sp, rval); 293*0Sstevel@tonic-gate /*NOTREACHED*/ 294*0Sstevel@tonic-gate return (rval); 295*0Sstevel@tonic-gate } 296