metaoffline.c revision 1623:7bac4a816ebe 
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 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#pragma ident	"%Z%%M%	%I%	%E% SMI"
27
28/*
29 * offline sub-mirror
30 */
31
32#include <meta.h>
33
34#include <sdssc.h>
35/*
36 * print usage message
37 */
38static void
39usage(
40	mdsetname_t	*sp,
41	int		eval
42)
43{
44	(void) fprintf(stderr, gettext("\
45usage:	%s [-s setname] [-f] mirror submirror\n"),
46	    myname);
47	md_exit(sp, eval);
48}
49
50/*
51 * Metaoffline: to offline a metadevice
52 */
53int
54main(
55	int		argc,
56	char		*argv[]
57)
58{
59	char		*sname = NULL;
60	mdsetname_t	*sp = NULL;
61	mdcmdopts_t	options = (MDCMD_PRINT);
62	mdname_t	*mirnp;
63	mdname_t	*submirnp;
64	int		c;
65	md_error_t	status = mdnullerror;
66	md_error_t	*ep = &status;
67	int		error;
68	bool_t		called_thru_rpc = FALSE;
69	char		*cp;
70	int		origargc = argc;
71	char		**origargv = argv;
72
73	/*
74	 * Get the locale set up before calling any other routines
75	 * with messages to ouput.  Just in case we're not in a build
76	 * environment, make sure that TEXT_DOMAIN gets set to
77	 * something.
78	 */
79#if !defined(TEXT_DOMAIN)
80#define	TEXT_DOMAIN "SYS_TEST"
81#endif
82	(void) setlocale(LC_ALL, "");
83	(void) textdomain(TEXT_DOMAIN);
84
85	if ((cp = strstr(argv[0], ".rpc_call")) == NULL) {
86		if (sdssc_bind_library() == SDSSC_OKAY)
87			if (sdssc_cmd_proxy(argc, argv, SDSSC_PROXY_PRIMARY,
88						&error) == SDSSC_PROXY_DONE)
89				exit(error);
90	} else {
91		*cp = '\0'; /* cut off ".rpc_call" */
92		called_thru_rpc = TRUE;
93	}
94
95	/* initialize */
96	if (md_init(argc, argv, 0, 1, ep) != 0 ||
97			meta_check_root(ep) != 0) {
98		mde_perror(ep, "");
99		md_exit(sp, 1);
100	}
101
102	/* parse args */
103	optind = 1;
104	opterr = 1;
105	while ((c = getopt(argc, argv, "hs:f?")) != -1) {
106		switch (c) {
107		case 'h':
108			usage(sp, 0);
109			break;
110
111		case 's':
112			sname = optarg;
113			break;
114
115		case 'f':
116			options |= MDCMD_FORCE;
117			break;
118
119		case '?':
120			if (optopt == '?')
121				usage(sp, 0);
122			/*FALLTHROUGH*/
123		default:
124			usage(sp, 1);
125			break;
126		}
127	}
128	argc -= optind;
129	argv += optind;
130	if (argc != 2)
131		usage(sp, 1);
132
133	if (sname != NULL) {
134		if ((sp = metasetname(sname, ep)) == NULL) {
135			mde_perror(ep, "");
136			md_exit(sp, 1);
137		}
138	}
139
140	/* get names */
141	if (((mirnp = metaname(&sp, argv[0], META_DEVICE, ep)) == NULL) ||
142	    ((submirnp = metaname(&sp, argv[1], META_DEVICE, ep)) == NULL)) {
143		mde_perror(ep, "");
144		md_exit(sp, 1);
145	}
146
147	assert(sp != NULL);
148
149	if ((called_thru_rpc == FALSE) &&
150	    meta_is_mn_name(&sp, argv[0], ep)) {
151		/*
152		 * If we are dealing with a MN set and we were not
153		 * called thru an rpc call, we are just to send this
154		 * command string to the master of the set and let it
155		 * deal with it.
156		 * Note that if sp is NULL, meta_is_mn_name() derives sp
157		 * from argv[0] which is the metadevice arg
158		 * If this fails, the master must panic as the mddb may be
159		 * inconsistent.
160		 */
161		int  result;
162		result = meta_mn_send_command(sp, origargc, origargv,
163		    MD_DISP_STDERR | MD_PANIC_WHEN_INCONSISTENT,
164		    NO_CONTEXT_STRING, ep);
165		md_exit(sp, result);
166	}
167
168	/* grab set lock */
169	if (meta_lock(sp, TRUE, ep)) {
170		mde_perror(ep, "");
171		md_exit(sp, 1);
172	}
173
174	/* check for ownership */
175	if (meta_check_ownership(sp, ep) != 0) {
176		mde_perror(ep, "");
177		md_exit(sp, 1);
178	}
179
180	/* offline submirror */
181	if (meta_mirror_offline(sp, mirnp, submirnp, options, ep) != 0) {
182		mde_perror(ep, "");
183		md_exit(sp, 1);
184	}
185
186	/* return success */
187	md_exit(sp, 0);
188	/*NOTREACHED*/
189	return (0);
190}
191