xref: /dragonfly/contrib/lvm2/dist/tools/vgcreate.c (revision e0ecab34)
1 /*	$NetBSD: vgcreate.c,v 1.1.1.3 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 
20 int vgcreate(struct cmd_context *cmd, int argc, char **argv)
21 {
22 	struct vgcreate_params vp_new;
23 	struct vgcreate_params vp_def;
24 	struct volume_group *vg;
25 	const char *tag;
26 	const char *clustered_message = "";
27 	char *vg_name;
28 	struct pvcreate_params pp;
29 
30 	if (!argc) {
31 		log_error("Please provide volume group name and "
32 			  "physical volumes");
33 		return EINVALID_CMD_LINE;
34 	}
35 
36 	vg_name = argv[0];
37 	argc--;
38 	argv++;
39 
40 	if (arg_count(cmd, metadatacopies_ARG)) {
41 		log_error("Invalid option --metadatacopies, "
42 			  "use --pvmetadatacopies instead.");
43 		return EINVALID_CMD_LINE;
44 	}
45 	pvcreate_params_set_defaults(&pp);
46 	if (!pvcreate_params_validate(cmd, argc, argv, &pp)) {
47 		return EINVALID_CMD_LINE;
48 	}
49 
50 	vgcreate_params_set_defaults(&vp_def, NULL);
51 	vp_def.vg_name = vg_name;
52 	if (vgcreate_params_set_from_args(cmd, &vp_new, &vp_def))
53 		return EINVALID_CMD_LINE;
54 
55 	if (vgcreate_params_validate(cmd, &vp_new))
56 	    return EINVALID_CMD_LINE;
57 
58 	/* Create the new VG */
59 	vg = vg_create(cmd, vp_new.vg_name);
60 	if (vg_read_error(vg))
61 		goto_bad;
62 
63 	if (!vg_set_extent_size(vg, vp_new.extent_size) ||
64 	    !vg_set_max_lv(vg, vp_new.max_lv) ||
65 	    !vg_set_max_pv(vg, vp_new.max_pv) ||
66 	    !vg_set_alloc_policy(vg, vp_new.alloc) ||
67 	    !vg_set_clustered(vg, vp_new.clustered))
68 		goto_bad;
69 
70 	if (!lock_vol(cmd, VG_ORPHANS, LCK_VG_WRITE)) {
71 		log_error("Can't get lock for orphan PVs");
72 		goto bad_orphan;
73 	}
74 
75 	/* attach the pv's */
76 	if (!vg_extend(vg, argc, argv, &pp))
77 		goto_bad;
78 
79 	if (vp_new.max_lv != vg->max_lv)
80 		log_warn("WARNING: Setting maxlogicalvolumes to %d "
81 			 "(0 means unlimited)", vg->max_lv);
82 
83 	if (vp_new.max_pv != vg->max_pv)
84 		log_warn("WARNING: Setting maxphysicalvolumes to %d "
85 			 "(0 means unlimited)", vg->max_pv);
86 
87 	if (arg_count(cmd, addtag_ARG)) {
88 		if (!(tag = arg_str_value(cmd, addtag_ARG, NULL))) {
89 			log_error("Failed to get tag");
90 			goto bad;
91 		}
92 
93 		if (!(vg->fid->fmt->features & FMT_TAGS)) {
94 			log_error("Volume group format does not support tags");
95 			goto bad;
96 		}
97 
98 		if (!str_list_add(cmd->mem, &vg->tags, tag)) {
99 			log_error("Failed to add tag %s to volume group %s",
100 				  tag, vp_new.vg_name);
101 			goto bad;
102 		}
103 	}
104 
105 	if (vg_is_clustered(vg)) {
106 		clustered_message = "Clustered ";
107 	} else {
108 		if (locking_is_clustered())
109 			clustered_message = "Non-clustered ";
110 	}
111 
112 	if (!archive(vg))
113 		goto_bad;
114 
115 	/* Store VG on disk(s) */
116 	if (!vg_write(vg) || !vg_commit(vg))
117 		goto_bad;
118 
119 	unlock_vg(cmd, VG_ORPHANS);
120 	unlock_vg(cmd, vp_new.vg_name);
121 
122 	backup(vg);
123 
124 	log_print("%s%colume group \"%s\" successfully created",
125 		  clustered_message, *clustered_message ? 'v' : 'V', vg->name);
126 
127 	vg_release(vg);
128 	return ECMD_PROCESSED;
129 
130 bad:
131 	unlock_vg(cmd, VG_ORPHANS);
132 bad_orphan:
133 	vg_release(vg);
134 	unlock_vg(cmd, vp_new.vg_name);
135 	return ECMD_FAILED;
136 }
137