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f65dd341a5
Previously, we have relied on UUIDs alone, and on lvmcache to make getting a "new copy" of VG metadata fast. If the code which triggers the activation has the correct VG metadata at hand (the version which is currently on disk), it can now hand it to the activation code directly.
80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2009 Red Hat, Inc. All rights reserved.
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*
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* This file is part of LVM2.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU Lesser General Public License v.2.1.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "tools.h"
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int vgcfgrestore(struct cmd_context *cmd, int argc, char **argv)
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{
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const char *vg_name = NULL;
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if (argc == 1) {
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vg_name = skip_dev_dir(cmd, argv[0], NULL);
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if (!validate_name(vg_name)) {
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log_error("Volume group name \"%s\" is invalid", vg_name);
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return ECMD_FAILED;
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}
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} else if (!(arg_count(cmd, list_ARG) && arg_count(cmd, file_ARG))) {
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log_error("Please specify a *single* volume group to restore.");
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return ECMD_FAILED;
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}
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/*
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* FIXME: overloading the -l arg for now to display a
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* list of archive files for a particular vg
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*/
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if (arg_count(cmd, list_ARG)) {
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if (!(arg_count(cmd,file_ARG) ?
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archive_display_file(cmd,
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arg_str_value(cmd, file_ARG, "")) :
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archive_display(cmd, vg_name))) {
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stack;
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return ECMD_FAILED;
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}
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return ECMD_PROCESSED;
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}
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lvmcache_seed_infos_from_lvmetad(cmd);
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if (!lock_vol(cmd, vg_name, LCK_VG_WRITE, NULL)) {
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log_error("Unable to lock volume group %s", vg_name);
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return ECMD_FAILED;
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}
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if (!lock_vol(cmd, VG_ORPHANS, LCK_VG_WRITE, NULL)) {
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log_error("Unable to lock orphans");
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unlock_vg(cmd, vg_name);
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return ECMD_FAILED;
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}
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cmd->handles_unknown_segments = 1;
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if (!(arg_count(cmd, file_ARG) ?
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backup_restore_from_file(cmd, vg_name,
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arg_str_value(cmd, file_ARG, ""),
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arg_count(cmd, force_long_ARG)) :
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backup_restore(cmd, vg_name, arg_count(cmd, force_long_ARG)))) {
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unlock_vg(cmd, VG_ORPHANS);
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unlock_vg(cmd, vg_name);
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log_error("Restore failed.");
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return ECMD_FAILED;
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}
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log_print_unless_silent("Restored volume group %s", vg_name);
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unlock_vg(cmd, VG_ORPHANS);
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unlock_vg(cmd, vg_name);
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return ECMD_PROCESSED;
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}
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