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mirror of git://sourceware.org/git/lvm2.git synced 2024-12-22 17:35:59 +03:00
lvm2/tools/vgcfgrestore.c
Zdenek Kabelac 09b7ceea95 thin: allow restore with --force
Allow restoring metadata with thin pool volumes.
No validation is done for this case within vgcfgrestore tool -
thus incorrect metadata may lead to destruction of pool content.
2012-11-27 14:08:24 +01:00

80 lines
2.2 KiB
C

/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2009 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* 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 Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "tools.h"
int vgcfgrestore(struct cmd_context *cmd, int argc, char **argv)
{
const char *vg_name = NULL;
if (argc == 1) {
vg_name = skip_dev_dir(cmd, argv[0], NULL);
if (!validate_name(vg_name)) {
log_error("Volume group name \"%s\" is invalid", vg_name);
return ECMD_FAILED;
}
} else if (!(arg_count(cmd, list_ARG) && arg_count(cmd, file_ARG))) {
log_error("Please specify a *single* volume group to restore.");
return ECMD_FAILED;
}
/*
* FIXME: overloading the -l arg for now to display a
* list of archive files for a particular vg
*/
if (arg_count(cmd, list_ARG)) {
if (!(arg_count(cmd,file_ARG) ?
archive_display_file(cmd,
arg_str_value(cmd, file_ARG, "")) :
archive_display(cmd, vg_name))) {
stack;
return ECMD_FAILED;
}
return ECMD_PROCESSED;
}
lvmcache_seed_infos_from_lvmetad(cmd);
if (!lock_vol(cmd, vg_name, LCK_VG_WRITE)) {
log_error("Unable to lock volume group %s", vg_name);
return ECMD_FAILED;
}
if (!lock_vol(cmd, VG_ORPHANS, LCK_VG_WRITE)) {
log_error("Unable to lock orphans");
unlock_vg(cmd, vg_name);
return ECMD_FAILED;
}
cmd->handles_unknown_segments = 1;
if (!(arg_count(cmd, file_ARG) ?
backup_restore_from_file(cmd, vg_name,
arg_str_value(cmd, file_ARG, ""),
arg_count(cmd, force_long_ARG)) :
backup_restore(cmd, vg_name, arg_count(cmd, force_long_ARG)))) {
unlock_vg(cmd, VG_ORPHANS);
unlock_vg(cmd, vg_name);
log_error("Restore failed.");
return ECMD_FAILED;
}
log_print_unless_silent("Restored volume group %s", vg_name);
unlock_vg(cmd, VG_ORPHANS);
unlock_vg(cmd, vg_name);
return ECMD_PROCESSED;
}