1 /*        $NetBSD: vgextend.c,v 1.1.1.2 2009/12/02 00:25:57 haad Exp $          */
2 
3 /*
4  * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
5  * Copyright (C) 2004-2009 Red Hat, Inc. All rights reserved.
6  *
7  * This file is part of LVM2.
8  *
9  * This copyrighted material is made available to anyone wishing to use,
10  * modify, copy, or redistribute it subject to the terms and conditions
11  * of the GNU Lesser General Public License v.2.1.
12  *
13  * You should have received a copy of the GNU Lesser General Public License
14  * along with this program; if not, write to the Free Software Foundation,
15  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16  */
17 
18 #include "tools.h"
19 
vgextend(struct cmd_context * cmd,int argc,char ** argv)20 int vgextend(struct cmd_context *cmd, int argc, char **argv)
21 {
22           char *vg_name;
23           struct volume_group *vg = NULL;
24           int r = ECMD_FAILED;
25           struct pvcreate_params pp;
26 
27           if (!argc) {
28                     log_error("Please enter volume group name and "
29                                 "physical volume(s)");
30                     return EINVALID_CMD_LINE;
31           }
32 
33           vg_name = skip_dev_dir(cmd, argv[0], NULL);
34           argc--;
35           argv++;
36 
37           if (arg_count(cmd, metadatacopies_ARG)) {
38                     log_error("Invalid option --metadatacopies, "
39                                 "use --pvmetadatacopies instead.");
40                     return EINVALID_CMD_LINE;
41           }
42           pvcreate_params_set_defaults(&pp);
43           if (!pvcreate_params_validate(cmd, argc, argv, &pp)) {
44                     return EINVALID_CMD_LINE;
45           }
46 
47           log_verbose("Checking for volume group \"%s\"", vg_name);
48           vg = vg_read_for_update(cmd, vg_name, NULL, 0);
49           if (vg_read_error(vg)) {
50                     vg_release(vg);
51                     stack;
52                     return ECMD_FAILED;
53           }
54 
55           if (!lock_vol(cmd, VG_ORPHANS, LCK_VG_WRITE)) {
56                     log_error("Can't get lock for orphan PVs");
57                     unlock_and_release_vg(cmd, vg, vg_name);
58                     return ECMD_FAILED;
59           }
60 
61           if (!archive(vg))
62                     goto_bad;
63 
64           /* extend vg */
65           if (!vg_extend(vg, argc, argv, &pp))
66                     goto_bad;
67 
68           /* ret > 0 */
69           log_verbose("Volume group \"%s\" will be extended by %d new "
70                         "physical volumes", vg_name, argc);
71 
72           /* store vg on disk(s) */
73           if (!vg_write(vg) || !vg_commit(vg))
74                     goto_bad;
75 
76           backup(vg);
77           log_print("Volume group \"%s\" successfully extended", vg_name);
78           r = ECMD_PROCESSED;
79 
80 bad:
81           unlock_vg(cmd, VG_ORPHANS);
82           unlock_and_release_vg(cmd, vg, vg_name);
83           return r;
84 }
85