mirror of
git://sourceware.org/git/lvm2.git
synced 2024-12-22 17:35:59 +03:00
287 lines
7.3 KiB
C
287 lines
7.3 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"
|
|
|
|
/* FIXME Locking. PVs in VG. */
|
|
|
|
static int _pvchange_single(struct cmd_context *cmd, struct physical_volume *pv,
|
|
void *handle __attribute((unused)))
|
|
{
|
|
struct volume_group *vg = NULL;
|
|
struct pv_list *pvl;
|
|
struct list mdas;
|
|
uint64_t sector;
|
|
uint32_t orig_pe_alloc_count;
|
|
|
|
const char *pv_name = dev_name(pv_dev(pv));
|
|
const char *tag = NULL;
|
|
const char *orig_vg_name;
|
|
char uuid[64] __attribute((aligned(8)));
|
|
|
|
int consistent = 1;
|
|
int allocatable = 0;
|
|
int tagarg = 0;
|
|
|
|
list_init(&mdas);
|
|
|
|
if (arg_count(cmd, addtag_ARG))
|
|
tagarg = addtag_ARG;
|
|
else if (arg_count(cmd, deltag_ARG))
|
|
tagarg = deltag_ARG;
|
|
|
|
if (arg_count(cmd, allocatable_ARG))
|
|
allocatable = !strcmp(arg_str_value(cmd, allocatable_ARG, "n"),
|
|
"y");
|
|
else if (tagarg && !(tag = arg_str_value(cmd, tagarg, NULL))) {
|
|
log_error("Failed to get tag");
|
|
return 0;
|
|
}
|
|
|
|
/* If in a VG, must change using volume group. */
|
|
if (*pv_vg_name(pv)) {
|
|
log_verbose("Finding volume group of physical volume \"%s\"",
|
|
pv_name);
|
|
|
|
if (!lock_vol(cmd, pv_vg_name(pv), LCK_VG_WRITE)) {
|
|
log_error("Can't get lock for %s", pv_vg_name(pv));
|
|
return 0;
|
|
}
|
|
|
|
if (!(vg = vg_read(cmd, pv_vg_name(pv), NULL, &consistent))) {
|
|
unlock_vg(cmd, pv_vg_name(pv));
|
|
log_error("Unable to find volume group of \"%s\"",
|
|
pv_name);
|
|
return 0;
|
|
}
|
|
|
|
if (!vg_check_status(vg,
|
|
CLUSTERED | EXPORTED_VG | LVM_WRITE)) {
|
|
unlock_vg(cmd, pv_vg_name(pv));
|
|
return 0;
|
|
}
|
|
|
|
if (!(pvl = find_pv_in_vg(vg, pv_name))) {
|
|
unlock_vg(cmd, pv_vg_name(pv));
|
|
log_error
|
|
("Unable to find \"%s\" in volume group \"%s\"",
|
|
pv_name, vg->name);
|
|
return 0;
|
|
}
|
|
if (tagarg && !(vg->fid->fmt->features & FMT_TAGS)) {
|
|
unlock_vg(cmd, pv_vg_name(pv));
|
|
log_error("Volume group containing %s does not "
|
|
"support tags", pv_name);
|
|
return 0;
|
|
}
|
|
if (arg_count(cmd, uuid_ARG) && lvs_in_vg_activated(vg)) {
|
|
unlock_vg(cmd, pv_vg_name(pv));
|
|
log_error("Volume group containing %s has active "
|
|
"logical volumes", pv_name);
|
|
return 0;
|
|
}
|
|
pv = pvl->pv;
|
|
if (!archive(vg))
|
|
return 0;
|
|
} else {
|
|
if (tagarg) {
|
|
log_error("Can't change tag on Physical Volume %s not "
|
|
"in volume group", pv_name);
|
|
return 0;
|
|
}
|
|
if (!lock_vol(cmd, ORPHAN, LCK_VG_WRITE)) {
|
|
log_error("Can't get lock for orphans");
|
|
return 0;
|
|
}
|
|
|
|
if (!(pv = pv_read(cmd, pv_name, &mdas, §or, 1))) {
|
|
unlock_vg(cmd, ORPHAN);
|
|
log_error("Unable to read PV \"%s\"", pv_name);
|
|
return 0;
|
|
}
|
|
|
|
}
|
|
|
|
if (arg_count(cmd, allocatable_ARG)) {
|
|
if (!*pv_vg_name(pv) &&
|
|
!(pv->fmt->features & FMT_ORPHAN_ALLOCATABLE)) {
|
|
log_error("Allocatability not supported by orphan "
|
|
"%s format PV %s", pv->fmt->name, pv_name);
|
|
unlock_vg(cmd, ORPHAN);
|
|
return 0;
|
|
}
|
|
|
|
/* change allocatability for a PV */
|
|
if (allocatable && (pv_status(pv) & ALLOCATABLE_PV)) {
|
|
log_error("Physical volume \"%s\" is already "
|
|
"allocatable", pv_name);
|
|
if (*pv_vg_name(pv))
|
|
unlock_vg(cmd, pv_vg_name(pv));
|
|
else
|
|
unlock_vg(cmd, ORPHAN);
|
|
return 1;
|
|
}
|
|
|
|
if (!allocatable && !(pv_status(pv) & ALLOCATABLE_PV)) {
|
|
log_error("Physical volume \"%s\" is already "
|
|
"unallocatable", pv_name);
|
|
if (*pv_vg_name(pv))
|
|
unlock_vg(cmd, pv_vg_name(pv));
|
|
else
|
|
unlock_vg(cmd, ORPHAN);
|
|
return 1;
|
|
}
|
|
|
|
if (allocatable) {
|
|
log_verbose("Setting physical volume \"%s\" "
|
|
"allocatable", pv_name);
|
|
pv->status |= ALLOCATABLE_PV;
|
|
} else {
|
|
log_verbose("Setting physical volume \"%s\" NOT "
|
|
"allocatable", pv_name);
|
|
pv->status &= ~ALLOCATABLE_PV;
|
|
}
|
|
} else if (tagarg) {
|
|
/* tag or deltag */
|
|
if ((tagarg == addtag_ARG)) {
|
|
if (!str_list_add(cmd->mem, &pv->tags, tag)) {
|
|
log_error("Failed to add tag %s to physical "
|
|
"volume %s", tag, pv_name);
|
|
return 0;
|
|
}
|
|
} else {
|
|
if (!str_list_del(&pv->tags, tag)) {
|
|
log_error("Failed to remove tag %s from "
|
|
"physical volume" "%s", tag, pv_name);
|
|
return 0;
|
|
}
|
|
}
|
|
} else {
|
|
/* --uuid: Change PV ID randomly */
|
|
if (!id_create(&pv->id)) {
|
|
log_error("Failed to generate new random UUID for %s.",
|
|
pv_name);
|
|
return 0;
|
|
}
|
|
if (!id_write_format(&pv->id, uuid, sizeof(uuid))) {
|
|
stack;
|
|
return 0;
|
|
}
|
|
log_verbose("Changing uuid of %s to %s.", pv_name, uuid);
|
|
if (*pv_vg_name(pv)) {
|
|
orig_vg_name = pv_vg_name(pv);
|
|
orig_pe_alloc_count = pv_pe_alloc_count(pv);
|
|
pv->vg_name = ORPHAN;
|
|
pv->pe_alloc_count = 0;
|
|
if (!(pv_write(cmd, pv, NULL, INT64_C(-1)))) {
|
|
log_error("pv_write with new uuid failed "
|
|
"for %s.", pv_name);
|
|
return 0;
|
|
}
|
|
pv->vg_name = orig_vg_name;
|
|
pv->pe_alloc_count = orig_pe_alloc_count;
|
|
}
|
|
}
|
|
|
|
log_verbose("Updating physical volume \"%s\"", pv_name);
|
|
if (*pv_vg_name(pv)) {
|
|
if (!vg_write(vg) || !vg_commit(vg)) {
|
|
unlock_vg(cmd, pv_vg_name(pv));
|
|
log_error("Failed to store physical volume \"%s\" in "
|
|
"volume group \"%s\"", pv_name, vg->name);
|
|
return 0;
|
|
}
|
|
backup(vg);
|
|
unlock_vg(cmd, pv_vg_name(pv));
|
|
} else {
|
|
if (!(pv_write(cmd, pv, NULL, INT64_C(-1)))) {
|
|
unlock_vg(cmd, ORPHAN);
|
|
log_error("Failed to store physical volume \"%s\"",
|
|
pv_name);
|
|
return 0;
|
|
}
|
|
unlock_vg(cmd, ORPHAN);
|
|
}
|
|
|
|
log_print("Physical volume \"%s\" changed", pv_name);
|
|
|
|
return 1;
|
|
}
|
|
|
|
int pvchange(struct cmd_context *cmd, int argc, char **argv)
|
|
{
|
|
int opt = 0;
|
|
int done = 0;
|
|
int total = 0;
|
|
|
|
struct physical_volume *pv;
|
|
char *pv_name;
|
|
|
|
struct pv_list *pvl;
|
|
struct list *pvslist;
|
|
struct list mdas;
|
|
|
|
list_init(&mdas);
|
|
|
|
if (arg_count(cmd, allocatable_ARG) + arg_count(cmd, addtag_ARG) +
|
|
arg_count(cmd, deltag_ARG) + arg_count(cmd, uuid_ARG) != 1) {
|
|
log_error("Please give exactly one option of -x, -uuid, "
|
|
"--addtag or --deltag");
|
|
return EINVALID_CMD_LINE;
|
|
}
|
|
|
|
if (!(arg_count(cmd, all_ARG)) && !argc) {
|
|
log_error("Please give a physical volume path");
|
|
return EINVALID_CMD_LINE;
|
|
}
|
|
|
|
if (arg_count(cmd, all_ARG) && argc) {
|
|
log_error("Option a and PhysicalVolumePath are exclusive");
|
|
return EINVALID_CMD_LINE;
|
|
}
|
|
|
|
if (argc) {
|
|
log_verbose("Using physical volume(s) on command line");
|
|
for (; opt < argc; opt++) {
|
|
pv_name = argv[opt];
|
|
/* FIXME Read VG instead - pv_read will fail */
|
|
if (!(pv = pv_read(cmd, pv_name, &mdas, NULL, 1))) {
|
|
log_error("Failed to read physical volume %s",
|
|
pv_name);
|
|
continue;
|
|
}
|
|
total++;
|
|
done += _pvchange_single(cmd, pv, NULL);
|
|
}
|
|
} else {
|
|
log_verbose("Scanning for physical volume names");
|
|
if (!(pvslist = get_pvs(cmd))) {
|
|
return ECMD_FAILED;
|
|
}
|
|
|
|
list_iterate_items(pvl, pvslist) {
|
|
total++;
|
|
done += _pvchange_single(cmd, pvl->pv, NULL);
|
|
}
|
|
}
|
|
|
|
log_print("%d physical volume%s changed / %d physical volume%s "
|
|
"not changed",
|
|
done, done == 1 ? "" : "s",
|
|
total - done, (total - done) == 1 ? "" : "s");
|
|
|
|
return (total == done) ? ECMD_PROCESSED : ECMD_FAILED;
|
|
}
|