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lvm2/tools/vgscan.c
Alasdair Kergon 57685f17a9 Fix vgreduce to use vg_split_mdas to check sufficient mdas remain.
Add (empty) orphan VGs to lvmcache during initialisation.
Fix orphan VG name used for format_pool.
2008-04-08 12:49:21 +00:00

76 lines
2.0 KiB
C

/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2007 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"
static int vgscan_single(struct cmd_context *cmd, const char *vg_name,
struct volume_group *vg, int consistent,
void *handle __attribute((unused)))
{
if (!vg) {
log_error("Volume group \"%s\" not found", vg_name);
return ECMD_FAILED;
}
if (!consistent) {
unlock_vg(cmd, vg_name);
dev_close_all();
log_error("Volume group \"%s\" inconsistent", vg_name);
/* Don't allow partial switch to this program */
if (!(vg = recover_vg(cmd, vg_name, LCK_VG_WRITE)))
return ECMD_FAILED;
}
log_print("Found %svolume group \"%s\" using metadata type %s",
(vg_status(vg) & EXPORTED_VG) ? "exported " : "", vg_name,
vg->fid->fmt->name);
check_current_backup(vg);
return ECMD_PROCESSED;
}
int vgscan(struct cmd_context *cmd, int argc, char **argv)
{
int maxret, ret;
if (argc) {
log_error("Too many parameters on command line");
return EINVALID_CMD_LINE;
}
if (!lock_vol(cmd, VG_GLOBAL, LCK_VG_WRITE)) {
log_error("Unable to obtain global lock.");
return ECMD_FAILED;
}
persistent_filter_wipe(cmd->filter);
lvmcache_destroy(cmd, 1);
log_print("Reading all physical volumes. This may take a while...");
maxret = process_each_vg(cmd, argc, argv, LCK_VG_READ, 0, NULL,
&vgscan_single);
if (arg_count(cmd, mknodes_ARG)) {
ret = vgmknodes(cmd, argc, argv);
if (ret > maxret)
maxret = ret;
}
unlock_vg(cmd, VG_GLOBAL);
return maxret;
}