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/*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "tools.h"
static int vgimport_single(struct cmd_context *cmd,
const char *vg_name,
struct volume_group *vg,
struct processing_handle *handle __attribute__((unused)))
{
struct pv_list *pvl;
struct physical_volume *pv;
if (!vg_is_exported(vg)) {
log_error("Volume group \"%s\" is not exported", vg_name);
goto bad;
}
if (vg_status(vg) & PARTIAL_VG) {
log_error("Volume group \"%s\" is partially missing", vg_name);
goto bad;
}
if (!archive(vg))
goto_bad;
vg->status &= ~EXPORTED_VG;
if (!is_lockd_type(vg->lock_type))
vg->system_id = cmd->system_id ? dm_pool_strdup(vg->vgmem, cmd->system_id) : NULL;
dm_list_iterate_items(pvl, &vg->pvs) {
pv = pvl->pv;
pv->status &= ~EXPORTED_VG;
}
if (!vg_write(vg) || !vg_commit(vg))
goto_bad;
backup(vg);
log_print_unless_silent("Volume group \"%s\" successfully imported", vg->name);
return ECMD_PROCESSED;
bad:
return ECMD_FAILED;
}
int vgimport(struct cmd_context *cmd, int argc, char **argv)
{
if (!argc && !arg_count(cmd, all_ARG) && !arg_is_set(cmd, select_ARG)) {
log_error("Please supply volume groups or -S for selection or use -a for all.");
return EINVALID_CMD_LINE;
}
if (arg_count(cmd, all_ARG) && (argc || arg_is_set(cmd, select_ARG))) {
log_error("No arguments permitted when using -a for all.");
return EINVALID_CMD_LINE;
}
if (arg_count(cmd, force_ARG)) {
/*
* The volume group cannot be repaired unless it is first
* imported. If we don't allow the user a way to import the
* VG while it is 'partial', then we will have created a
* circular dependency.
*
* The reason we don't just simply set 'handles_missing_pvs'
* by default is that we want to guard against the case
* where the user simply forgot to move one or more disks in
* the VG before running 'vgimport'.
*/
log_warn("WARNING: Volume groups with missing PVs will be imported with --force.");
cmd->handles_missing_pvs = 1;
}
/*
* Rescan devices and update lvmetad. lvmetad may hold a copy of the
* VG from before it was exported, if it was exported by another host.
* We need to reread it to see that it's been exported before we can
* import it.
*/
if (lvmetad_active() && !lvmetad_pvscan_all_devs(cmd, NULL)) {
log_error("Failed to scan devices.");
return ECMD_FAILED;
}
return process_each_vg(cmd, argc, argv, NULL,
READ_FOR_UPDATE | READ_ALLOW_EXPORTED,
NULL,
&vgimport_single);
}
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