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141 lines
3.5 KiB
C
141 lines
3.5 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004 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 General Public License v.2.
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*
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* You should have received a copy of the GNU 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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static int lvremove_single(struct cmd_context *cmd, struct logical_volume *lv,
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void *handle __attribute((unused)))
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{
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struct volume_group *vg;
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struct lvinfo info;
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struct logical_volume *origin = NULL;
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vg = lv->vg;
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if (!(vg->status & LVM_WRITE)) {
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log_error("Volume group \"%s\" is read-only", vg->name);
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return ECMD_FAILED;
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}
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if (lv_is_origin(lv)) {
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log_error("Can't remove logical volume \"%s\" under snapshot",
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lv->name);
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return ECMD_FAILED;
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}
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if (lv->status & MIRROR_IMAGE) {
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log_error("Can't remove logical volume %s used by a mirror",
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lv->name);
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return ECMD_FAILED;
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}
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if (lv->status & MIRROR_LOG) {
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log_error("Can't remove logical volume %s used as mirror log",
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lv->name);
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return ECMD_FAILED;
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}
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if (lv->status & LOCKED) {
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log_error("Can't remove locked LV %s", lv->name);
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return ECMD_FAILED;
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}
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/* FIXME Ensure not referred to by another existing LVs */
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if (lv_info(cmd, lv, &info, 1)) {
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if (info.open_count) {
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log_error("Can't remove open logical volume \"%s\"",
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lv->name);
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return ECMD_FAILED;
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}
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if (info.exists && !arg_count(cmd, force_ARG)) {
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if (yes_no_prompt("Do you really want to remove active "
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"logical volume \"%s\"? [y/n]: ",
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lv->name) == 'n') {
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log_print("Logical volume \"%s\" not removed",
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lv->name);
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return ECMD_FAILED;
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}
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}
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}
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if (!archive(vg))
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return ECMD_FAILED;
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/* If the VG is clustered then make sure no-one else is using the LV
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we are about to remove */
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if (vg->status & CLUSTERED) {
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if (!activate_lv_excl(cmd, lv)) {
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log_error("Can't get exclusive access to volume \"%s\"",
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lv->name);
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return ECMD_FAILED;
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}
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}
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/* FIXME Snapshot commit out of sequence if it fails after here? */
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if (!deactivate_lv(cmd, lv)) {
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log_error("Unable to deactivate logical volume \"%s\"",
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lv->name);
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return ECMD_FAILED;
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}
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if (lv_is_cow(lv)) {
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origin = origin_from_cow(lv);
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log_verbose("Removing snapshot %s", lv->name);
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if (!vg_remove_snapshot(lv)) {
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stack;
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return ECMD_FAILED;
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}
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}
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log_verbose("Releasing logical volume \"%s\"", lv->name);
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if (!lv_remove(lv)) {
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log_error("Error releasing logical volume \"%s\"", lv->name);
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return ECMD_FAILED;
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}
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/* store it on disks */
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if (!vg_write(vg))
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return ECMD_FAILED;
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backup(vg);
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if (!vg_commit(vg))
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return ECMD_FAILED;
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/* If no snapshots left, reload without -real. */
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if (origin && !lv_is_origin(origin)) {
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if (!suspend_lv(cmd, origin))
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log_error("Failed to refresh %s without snapshot.", origin->name);
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else if (!resume_lv(cmd, origin))
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log_error("Failed to resume %s.", origin->name);
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}
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log_print("Logical volume \"%s\" successfully removed", lv->name);
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return ECMD_PROCESSED;
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}
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int lvremove(struct cmd_context *cmd, int argc, char **argv)
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{
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if (!argc) {
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log_error("Please enter one or more logical volume paths");
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return EINVALID_CMD_LINE;
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}
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return process_each_lv(cmd, argc, argv, LCK_VG_WRITE, NULL,
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&lvremove_single);
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}
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