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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "tools.h"
static int _restore_pv(struct volume_group *vg, char *pv_name)
{
struct pv_list *pvl = NULL;
pvl = find_pv_in_vg(vg, pv_name);
if (!pvl) {
log_warn("WARNING: PV %s not found in VG %s", pv_name, vg->name);
return 0;
}
if (!(pvl->pv->status & MISSING_PV)) {
log_warn("WARNING: PV %s was not missing in VG %s", pv_name, vg->name);
return 0;
}
if (!pvl->pv->dev) {
log_warn("WARNING: The PV %s is still missing.", pv_name);
return 0;
}
pvl->pv->status &= ~MISSING_PV;
return 1;
}
int vgextend(struct cmd_context *cmd, int argc, char **argv)
{
const char *vg_name;
struct volume_group *vg = NULL;
int r = ECMD_FAILED;
struct pvcreate_params pp;
int fixed = 0, i = 0;
if (!argc) {
log_error("Please enter volume group name and "
"physical volume(s)");
return EINVALID_CMD_LINE;
}
vg_name = skip_dev_dir(cmd, argv[0], NULL);
argc--;
argv++;
if (arg_count(cmd, metadatacopies_ARG)) {
log_error("Invalid option --metadatacopies, "
"use --pvmetadatacopies instead.");
return EINVALID_CMD_LINE;
}
pvcreate_params_set_defaults(&pp);
if (!pvcreate_params_validate(cmd, argc, argv, &pp)) {
return EINVALID_CMD_LINE;
}
/*
* It is always ok to add new PVs to a VG - even if there are
* missing PVs. No LVs are affected by this operation, but
* repair processes - particularly for RAID segtypes - can
* be facilitated.
*/
cmd->handles_missing_pvs = 1;
log_verbose("Checking for volume group \"%s\"", vg_name);
vg = vg_read_for_update(cmd, vg_name, NULL, 0);
if (vg_read_error(vg)) {
release_vg(vg);
stack;
return ECMD_FAILED;
}
if (!archive(vg))
goto_bad;
if (arg_count(cmd, restoremissing_ARG)) {
for (i = 0; i < argc; ++i) {
if (_restore_pv(vg, argv[i]))
++ fixed;
}
if (!fixed) {
log_error("No PV has been restored.");
goto_bad;
}
} else { /* no --restore, normal vgextend */
if (!lock_vol(cmd, VG_ORPHANS, LCK_VG_WRITE)) {
log_error("Can't get lock for orphan PVs");
unlock_and_release_vg(cmd, vg, vg_name);
return ECMD_FAILED;
}
if (arg_count(cmd, metadataignore_ARG) &&
(vg_mda_copies(vg) != VGMETADATACOPIES_UNMANAGED) &&
(pp.force == PROMPT) &&
yes_no_prompt("Override preferred number of copies "
"of VG %s metadata? [y/n]: ",
vg_name) == 'n') {
log_error("Volume group %s not changed", vg_name);
goto_bad;
}
/* extend vg */
if (!vg_extend(vg, argc, (const char* const*)argv, &pp))
goto_bad;
if (arg_count(cmd, metadataignore_ARG) &&
(vg_mda_copies(vg) != VGMETADATACOPIES_UNMANAGED) &&
(vg_mda_copies(vg) != vg_mda_used_count(vg))) {
log_warn("WARNING: Changing preferred number of copies of VG %s "
"metadata from %"PRIu32" to %"PRIu32, vg_name,
vg_mda_copies(vg), vg_mda_used_count(vg));
vg_set_mda_copies(vg, vg_mda_used_count(vg));
}
/* ret > 0 */
log_verbose("Volume group \"%s\" will be extended by %d new "
"physical volumes", vg_name, argc);
}
/* store vg on disk(s) */
if (!vg_write(vg) || !vg_commit(vg))
goto_bad;
backup(vg);
log_print("Volume group \"%s\" successfully extended", vg_name);
r = ECMD_PROCESSED;
bad:
if (!arg_count(cmd, restoremissing_ARG))
unlock_vg(cmd, VG_ORPHANS);
unlock_and_release_vg(cmd, vg, vg_name);
return r;
}
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