1
0
mirror of git://sourceware.org/git/lvm2.git synced 2024-12-23 21:35:29 +03:00
lvm2/tools/vgcreate.c

171 lines
4.3 KiB
C
Raw Normal View History

2001-10-04 00:38:07 +04:00
/*
2004-03-30 23:35:44 +04:00
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004 Red Hat, Inc. All rights reserved.
2001-11-07 11:50:07 +03:00
*
2004-03-30 23:35:44 +04:00
* This file is part of LVM2.
2001-11-07 11:50:07 +03:00
*
2004-03-30 23:35:44 +04:00
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU General Public License v.2.
2001-11-07 11:50:07 +03:00
*
* You should have received a copy of the GNU General Public License
2004-03-30 23:35:44 +04:00
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
2001-10-04 00:38:07 +04:00
*/
#include "tools.h"
#define DEFAULT_EXTENT 4096 /* In KB */
2001-10-12 16:21:43 +04:00
int vgcreate(struct cmd_context *cmd, int argc, char **argv)
2001-10-04 00:38:07 +04:00
{
size_t max_lv, max_pv;
2001-11-06 22:02:26 +03:00
uint32_t extent_size;
char *vg_name;
2001-10-04 00:38:07 +04:00
struct volume_group *vg;
2004-03-08 20:19:15 +03:00
const char *tag;
alloc_policy_t alloc;
int clustered;
2001-10-04 00:38:07 +04:00
2001-10-12 16:21:43 +04:00
if (!argc) {
log_error("Please provide volume group name and "
"physical volumes");
return EINVALID_CMD_LINE;
2001-10-04 00:38:07 +04:00
}
if (argc == 1) {
2001-10-12 16:21:43 +04:00
log_error("Please enter physical volume name(s)");
return EINVALID_CMD_LINE;
2001-10-04 00:38:07 +04:00
}
vg_name = argv[0];
max_lv = arg_uint_value(cmd, maxlogicalvolumes_ARG, 0);
max_pv = arg_uint_value(cmd, maxphysicalvolumes_ARG, 0);
alloc = arg_uint_value(cmd, alloc_ARG, ALLOC_NORMAL);
if (alloc == ALLOC_INHERIT) {
log_error("Volume Group allocation policy cannot inherit "
"from anything");
return EINVALID_CMD_LINE;
}
2004-03-26 18:46:37 +03:00
if (!(cmd->fmt->features & FMT_UNLIMITED_VOLS)) {
if (!max_lv)
max_lv = 255;
if (!max_pv)
max_pv = 255;
if (max_lv > 255 || max_pv > 255) {
log_error("Number of volumes may not exceed 255");
return EINVALID_CMD_LINE;
}
}
if (arg_sign_value(cmd, physicalextentsize_ARG, 0) == SIGN_MINUS) {
log_error("Physical extent size may not be negative");
return EINVALID_CMD_LINE;
}
if (arg_sign_value(cmd, maxlogicalvolumes_ARG, 0) == SIGN_MINUS) {
log_error("Max Logical Volumes may not be negative");
return EINVALID_CMD_LINE;
}
if (arg_sign_value(cmd, maxphysicalvolumes_ARG, 0) == SIGN_MINUS) {
log_error("Max Physical Volumes may not be negative");
return EINVALID_CMD_LINE;
}
/* Units of 512-byte sectors */
extent_size =
arg_uint_value(cmd, physicalextentsize_ARG, DEFAULT_EXTENT) * 2;
2002-01-10 17:27:47 +03:00
2003-11-06 20:07:19 +03:00
if (!extent_size) {
log_error("Physical extent size may not be zero");
return EINVALID_CMD_LINE;
}
2004-03-26 18:46:37 +03:00
/* Strip dev_dir if present */
if (!strncmp(vg_name, cmd->dev_dir, strlen(cmd->dev_dir)))
vg_name += strlen(cmd->dev_dir);
2001-10-15 22:39:40 +04:00
2005-06-06 22:16:33 +04:00
if (!validate_vg_name(cmd, vg_name)) {
log_error("New volume group name \"%s\" is invalid", vg_name);
return ECMD_FAILED;
}
2001-10-15 22:39:40 +04:00
/* Create the new VG */
if (!(vg = vg_create(cmd, vg_name, extent_size, max_pv, max_lv, alloc,
argc - 1, argv + 1)))
return ECMD_FAILED;
2001-10-04 00:38:07 +04:00
2002-01-10 17:27:47 +03:00
if (max_lv != vg->max_lv)
log_error("Warning: Setting maxlogicalvolumes to %d "
"(0 means unlimited)", vg->max_lv);
2001-10-15 22:39:40 +04:00
2002-01-10 17:27:47 +03:00
if (max_pv != vg->max_pv)
log_error("Warning: Setting maxphysicalvolumes to %d "
"(0 means unlimited)", vg->max_pv);
2001-10-15 22:39:40 +04:00
2004-03-26 18:46:37 +03:00
if (arg_count(cmd, addtag_ARG)) {
if (!(tag = arg_str_value(cmd, addtag_ARG, NULL))) {
log_error("Failed to get tag");
return ECMD_FAILED;
}
if (!(vg->fid->fmt->features & FMT_TAGS)) {
log_error("Volume group format does not support tags");
return ECMD_FAILED;
}
if (!str_list_add(cmd->mem, &vg->tags, tag)) {
log_error("Failed to add tag %s to volume group %s",
tag, vg_name);
return ECMD_FAILED;
}
}
if (arg_count(cmd, clustered_ARG))
clustered = !strcmp(arg_str_value(cmd, clustered_ARG, "n"), "y");
else
/* Default depends on current locking type */
clustered = locking_is_clustered();
if (clustered)
vg->status |= CLUSTERED;
else
vg->status &= ~CLUSTERED;
2005-10-03 22:16:44 +04:00
if (!lock_vol(cmd, ORPHAN, LCK_VG_WRITE)) {
log_error("Can't get lock for orphan PVs");
return ECMD_FAILED;
}
if (!lock_vol(cmd, vg_name, LCK_VG_WRITE | LCK_NONBLOCK)) {
log_error("Can't get lock for %s", vg_name);
2005-10-03 22:16:44 +04:00
unlock_vg(cmd, ORPHAN);
return ECMD_FAILED;
}
if (!archive(vg)) {
unlock_vg(cmd, vg_name);
2005-10-03 22:16:44 +04:00
unlock_vg(cmd, ORPHAN);
2002-01-09 16:17:14 +03:00
return ECMD_FAILED;
}
2002-01-09 16:17:14 +03:00
/* Store VG on disk(s) */
if (!vg_write(vg) || !vg_commit(vg)) {
unlock_vg(cmd, vg_name);
2005-10-03 22:16:44 +04:00
unlock_vg(cmd, ORPHAN);
return ECMD_FAILED;
}
unlock_vg(cmd, vg_name);
2005-10-03 22:16:44 +04:00
unlock_vg(cmd, ORPHAN);
2001-10-04 00:38:07 +04:00
2002-01-07 14:12:11 +03:00
backup(vg);
2002-01-30 18:04:48 +03:00
log_print("Volume group \"%s\" successfully created", vg->name);
2001-10-12 18:25:53 +04:00
2003-10-22 02:06:07 +04:00
return ECMD_PROCESSED;
2001-10-04 00:38:07 +04:00
}