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 2004 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  * mirror operations
31*0Sstevel@tonic-gate  */
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate #include <meta.h>
34*0Sstevel@tonic-gate #include <sdssc.h>
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate /*
37*0Sstevel@tonic-gate  * resync named device
38*0Sstevel@tonic-gate  */
39*0Sstevel@tonic-gate int
40*0Sstevel@tonic-gate meta_resync_byname(
41*0Sstevel@tonic-gate 	mdsetname_t	*sp,
42*0Sstevel@tonic-gate 	mdname_t	*np,
43*0Sstevel@tonic-gate 	daddr_t		size,
44*0Sstevel@tonic-gate 	md_error_t	*ep,
45*0Sstevel@tonic-gate 	md_resync_cmd_t	cmd	/* action to perform */
46*0Sstevel@tonic-gate )
47*0Sstevel@tonic-gate {
48*0Sstevel@tonic-gate 	char		*miscname;
49*0Sstevel@tonic-gate 
50*0Sstevel@tonic-gate 	/* should have a set */
51*0Sstevel@tonic-gate 	assert(sp != NULL);
52*0Sstevel@tonic-gate 	assert(sp->setno == MD_MIN2SET(meta_getminor(np->dev)));
53*0Sstevel@tonic-gate 
54*0Sstevel@tonic-gate 	/* get type */
55*0Sstevel@tonic-gate 	if (metachkmeta(np, ep) != 0)
56*0Sstevel@tonic-gate 		return (-1);
57*0Sstevel@tonic-gate 	if ((miscname = metagetmiscname(np, ep)) == NULL)
58*0Sstevel@tonic-gate 		return (-1);
59*0Sstevel@tonic-gate 
60*0Sstevel@tonic-gate 	/* dispatch */
61*0Sstevel@tonic-gate 	if (strcmp(miscname, MD_RAID) == 0) {
62*0Sstevel@tonic-gate 		return (meta_raid_resync(sp, np, size, ep));
63*0Sstevel@tonic-gate 	} else if (strcmp(miscname, MD_MIRROR) == 0) {
64*0Sstevel@tonic-gate 		return (meta_mirror_resync(sp, np, size, ep, cmd));
65*0Sstevel@tonic-gate 	} else {
66*0Sstevel@tonic-gate 		return (mdmderror(ep, MDE_UNKNOWN_TYPE, meta_getminor(np->dev),
67*0Sstevel@tonic-gate 		    np->cname));
68*0Sstevel@tonic-gate 	}
69*0Sstevel@tonic-gate }
70*0Sstevel@tonic-gate 
71*0Sstevel@tonic-gate /*
72*0Sstevel@tonic-gate  * resync all devices
73*0Sstevel@tonic-gate  */
74*0Sstevel@tonic-gate int
75*0Sstevel@tonic-gate meta_resync_all(
76*0Sstevel@tonic-gate 	mdsetname_t	*sp,
77*0Sstevel@tonic-gate 	daddr_t		size,
78*0Sstevel@tonic-gate 	md_error_t	*ep
79*0Sstevel@tonic-gate )
80*0Sstevel@tonic-gate {
81*0Sstevel@tonic-gate 	int		rval = 0;
82*0Sstevel@tonic-gate 	md_set_desc	*sd;
83*0Sstevel@tonic-gate 
84*0Sstevel@tonic-gate 	/* see if we have any databases */
85*0Sstevel@tonic-gate 	if (meta_setup_db_locations(ep) != 0) {
86*0Sstevel@tonic-gate 		if (mdismddberror(ep, MDE_DB_NODB)) {
87*0Sstevel@tonic-gate 			mdclrerror(ep);
88*0Sstevel@tonic-gate 			return (0);
89*0Sstevel@tonic-gate 		}
90*0Sstevel@tonic-gate 		rval = -1;
91*0Sstevel@tonic-gate 	}
92*0Sstevel@tonic-gate 
93*0Sstevel@tonic-gate 	if (!(metaislocalset(sp))) {
94*0Sstevel@tonic-gate 		if ((sd = metaget_setdesc(sp, ep)) == NULL)
95*0Sstevel@tonic-gate 			return (-1);
96*0Sstevel@tonic-gate 
97*0Sstevel@tonic-gate 		/* MN disksets don't use DCS clustering services. */
98*0Sstevel@tonic-gate 		if (!(MD_MNSET_DESC(sd)))
99*0Sstevel@tonic-gate 			sdssc_notify_service(NULL, Shutdown_Services);
100*0Sstevel@tonic-gate 	}
101*0Sstevel@tonic-gate 
102*0Sstevel@tonic-gate 	/* resync units */
103*0Sstevel@tonic-gate 	if (meta_mirror_resync_all(sp, size, ep) != 0)
104*0Sstevel@tonic-gate 		rval = -1;
105*0Sstevel@tonic-gate 	if (meta_raid_resync_all(sp, size, ep) != 0)
106*0Sstevel@tonic-gate 		rval = -1;
107*0Sstevel@tonic-gate 	return (rval);
108*0Sstevel@tonic-gate }
109