xref: /titanic_41/usr/src/cmd/lvm/util/metaoffline.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*
30  * offline sub-mirror
31  */
32 
33 #include <meta.h>
34 
35 #include <sdssc.h>
36 /*
37  * print usage message
38  */
39 static void
40 usage(
41 	mdsetname_t	*sp,
42 	int		eval
43 )
44 {
45 	(void) fprintf(stderr, gettext("\
46 usage:	%s [-s setname] [-f] mirror submirror\n"),
47 	    myname);
48 	md_exit(sp, eval);
49 }
50 
51 /*
52  * Metaoffline: to offline a metadevice
53  */
54 int
55 main(
56 	int		argc,
57 	char		*argv[]
58 )
59 {
60 	char		*sname = NULL;
61 	mdsetname_t	*sp = NULL;
62 	mdcmdopts_t	options = (MDCMD_PRINT);
63 	mdname_t	*mirnp;
64 	mdname_t	*submirnp;
65 	int		c;
66 	md_error_t	status = mdnullerror;
67 	md_error_t	*ep = &status;
68 	int		error;
69 	bool_t		called_thru_rpc = FALSE;
70 	char		*cp;
71 	int		origargc = argc;
72 	char		**origargv = argv;
73 
74 	/*
75 	 * Get the locale set up before calling any other routines
76 	 * with messages to ouput.  Just in case we're not in a build
77 	 * environment, make sure that TEXT_DOMAIN gets set to
78 	 * something.
79 	 */
80 #if !defined(TEXT_DOMAIN)
81 #define	TEXT_DOMAIN "SYS_TEST"
82 #endif
83 	(void) setlocale(LC_ALL, "");
84 	(void) textdomain(TEXT_DOMAIN);
85 
86 	if ((cp = strstr(argv[0], ".rpc_call")) == NULL) {
87 		if (sdssc_bind_library() == SDSSC_OKAY)
88 			if (sdssc_cmd_proxy(argc, argv, SDSSC_PROXY_PRIMARY,
89 						&error) == SDSSC_PROXY_DONE)
90 				exit(error);
91 	} else {
92 		*cp = '\0'; /* cut off ".rpc_call" */
93 		called_thru_rpc = TRUE;
94 	}
95 
96 	/* initialize */
97 	if (md_init(argc, argv, 0, 1, ep) != 0 ||
98 			meta_check_root(ep) != 0) {
99 		mde_perror(ep, "");
100 		md_exit(sp, 1);
101 	}
102 
103 	/* parse args */
104 	optind = 1;
105 	opterr = 1;
106 	while ((c = getopt(argc, argv, "hs:f?")) != -1) {
107 		switch (c) {
108 		case 'h':
109 			usage(sp, 0);
110 			break;
111 
112 		case 's':
113 			sname = optarg;
114 			break;
115 
116 		case 'f':
117 			options |= MDCMD_FORCE;
118 			break;
119 
120 		case '?':
121 			if (optopt == '?')
122 				usage(sp, 0);
123 			/*FALLTHROUGH*/
124 		default:
125 			usage(sp, 1);
126 			break;
127 		}
128 	}
129 	argc -= optind;
130 	argv += optind;
131 	if (argc != 2)
132 		usage(sp, 1);
133 
134 	if (sname != NULL) {
135 		if ((sp = metasetname(sname, ep)) == NULL) {
136 			mde_perror(ep, "");
137 			md_exit(sp, 1);
138 		}
139 	}
140 
141 	/* get names */
142 	if (((mirnp = metaname(&sp, argv[0], ep)) == NULL) ||
143 	    ((submirnp = metaname(&sp, argv[1], ep)) == NULL)) {
144 		mde_perror(ep, "");
145 		md_exit(sp, 1);
146 	}
147 
148 	assert(sp != NULL);
149 
150 	if ((called_thru_rpc == FALSE) &&
151 	    meta_is_mn_name(&sp, argv[0], ep)) {
152 		/*
153 		 * If we are dealing with a MN set and we were not
154 		 * called thru an rpc call, we are just to send this
155 		 * command string to the master of the set and let it
156 		 * deal with it.
157 		 * Note that if sp is NULL, meta_is_mn_name() derives sp
158 		 * from argv[0] which is the metadevice arg
159 		 * If this fails, the master must panic as the mddb may be
160 		 * inconsistent.
161 		 */
162 		int  result;
163 		result = meta_mn_send_command(sp, origargc, origargv,
164 		    MD_DISP_STDERR | MD_PANIC_WHEN_INCONSISTENT,
165 		    NO_CONTEXT_STRING, ep);
166 		md_exit(sp, result);
167 	}
168 
169 	/* grab set lock */
170 	if (meta_lock(sp, TRUE, ep)) {
171 		mde_perror(ep, "");
172 		md_exit(sp, 1);
173 	}
174 
175 	/* check for ownership */
176 	if (meta_check_ownership(sp, ep) != 0) {
177 		mde_perror(ep, "");
178 		md_exit(sp, 1);
179 	}
180 
181 	/* offline submirror */
182 	if (meta_mirror_offline(sp, mirnp, submirnp, options, ep) != 0) {
183 		mde_perror(ep, "");
184 		md_exit(sp, 1);
185 	}
186 
187 	/* return success */
188 	md_exit(sp, 0);
189 	/*NOTREACHED*/
190 	return (0);
191 }
192