File: mda-rollback.sh

package info (click to toggle)
lvm2 2.03.31-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 15,920 kB
  • sloc: ansic: 180,675; sh: 42,231; python: 6,554; makefile: 2,079; cpp: 1,258; ruby: 66; awk: 20
file content (33 lines) | stat: -rw-r--r-- 991 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
#!/usr/bin/env bash

# Copyright (C) 2013 Red Hat, Inc. All rights reserved.
#
# 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 General Public License v.2.
#
# You should have received a copy of the GNU 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


SKIP_WITH_LVMPOLLD=1

. lib/inittest

aux prepare_devs 3

vgcreate $SHARED --metadatasize 128k $vg1 "$dev1" "$dev2" "$dev3"

vgreduce $vg1 "$dev1"
dd if="$dev1" of=badmda bs=256K count=1
vgextend $vg1 "$dev1"

dd if=badmda of="$dev1" bs=256K count=1

# the vg_read in vgck (and other commands) will repair the metadata
vgck $vg1

# dev1 is part of vg1 (as witnessed by metadata on dev2 and dev3), but its mda
# was corrupt (written over by a backup from time dev1 was an orphan)
check pv_field "$dev1" vg_name $vg1