mirror of
git://sourceware.org/git/lvm2.git
synced 2024-12-21 13:34:40 +03:00
222 lines
4.4 KiB
Bash
222 lines
4.4 KiB
Bash
#!/usr/bin/env bash
|
|
|
|
# Copyright (C) 2008-2013,2018 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
|
|
get_devs
|
|
|
|
#
|
|
# Test "old metadata" repair which occurs when the VG is written
|
|
# and one of the PVs in the VG does not get written to, and then
|
|
# the PV reappears with the old metadata. This can happen if
|
|
# a command is killed or crashes after writing new metadata to
|
|
# only some of the PVs in the VG, or if a PV is temporarily
|
|
# inaccessible while a VG is written.
|
|
#
|
|
|
|
vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3"
|
|
|
|
#
|
|
# Test that vgck --updatemetadata will update old metadata.
|
|
#
|
|
|
|
lvcreate -n $lv1 -l1 -an $vg "$dev1"
|
|
lvcreate -n $lv2 -l1 -an $vg "$dev1"
|
|
|
|
aux disable_dev "$dev2"
|
|
|
|
pvs
|
|
pvs "$dev1"
|
|
not pvs "$dev2"
|
|
pvs "$dev3"
|
|
lvs $vg/$lv1
|
|
lvs $vg/$lv2
|
|
|
|
lvremove $vg/$lv2
|
|
|
|
aux enable_dev "$dev2"
|
|
|
|
pvs 2>&1 | tee out
|
|
grep "ignoring metadata seqno" out
|
|
pvs "$dev1"
|
|
pvs "$dev2"
|
|
pvs "$dev3"
|
|
|
|
lvs $vg/$lv1
|
|
not lvs $vg/$lv2
|
|
|
|
# fixes the old metadata on dev1
|
|
vgck --updatemetadata $vg
|
|
|
|
pvs 2>&1 | tee out
|
|
not grep "ignoring metadata seqno" out
|
|
pvs "$dev1"
|
|
pvs "$dev2"
|
|
pvs "$dev3"
|
|
|
|
lvs $vg/$lv1
|
|
not lvs $vg/$lv2
|
|
|
|
#
|
|
# Test that any writing command will also update the
|
|
# old metadata.
|
|
#
|
|
|
|
lvcreate -n $lv2 -l1 -an $vg "$dev1"
|
|
|
|
aux disable_dev "$dev2"
|
|
|
|
pvs
|
|
pvs "$dev1"
|
|
not pvs "$dev2"
|
|
pvs "$dev3"
|
|
lvs $vg/$lv1
|
|
lvs $vg/$lv2
|
|
|
|
lvremove $vg/$lv2
|
|
|
|
aux enable_dev "$dev2"
|
|
|
|
pvs 2>&1 | tee out
|
|
grep "ignoring metadata seqno" out
|
|
pvs "$dev1"
|
|
pvs "$dev2"
|
|
pvs "$dev3"
|
|
|
|
lvs $vg/$lv1
|
|
not lvs $vg/$lv2
|
|
|
|
# fixes the old metadata on dev1
|
|
lvcreate -n $lv3 -l1 -an $vg
|
|
|
|
pvs 2>&1 | tee out
|
|
not grep "ignoring metadata seqno" out
|
|
pvs "$dev1"
|
|
pvs "$dev2"
|
|
pvs "$dev3"
|
|
|
|
lvs $vg/$lv1
|
|
not lvs $vg/$lv2
|
|
|
|
vgremove -ff $vg
|
|
|
|
#
|
|
# First two PVs with one mda, where both have old metadata.
|
|
# Third PV with two mdas, where the first mda has old
|
|
# metadata, and the second mda has current metadata.
|
|
#
|
|
|
|
aux clear_devs "$dev1" "$dev2" "$dev3"
|
|
|
|
pvcreate "$dev1"
|
|
pvcreate "$dev2"
|
|
pvcreate --pvmetadatacopies 2 "$dev3"
|
|
|
|
vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3"
|
|
|
|
lvcreate -n $lv1 -l1 -an $vg "$dev3"
|
|
lvcreate -n $lv2 -l1 -an $vg "$dev3"
|
|
|
|
# Save the metadata at this point...
|
|
dd if="$dev1" of=meta1 bs=4k count=4
|
|
dd if="$dev2" of=meta2 bs=4k count=4
|
|
dd if="$dev3" of=meta3 bs=4k count=4
|
|
|
|
# and now change metadata so the saved copies are old
|
|
lvcreate -n $lv3 -l1 -an $vg "$dev3"
|
|
|
|
# Copy the saved metadata back to the three
|
|
# devs first mda, leaving the second mda on
|
|
# dev3 as the only latest copy of the metadata.
|
|
|
|
dd if=meta1 of="$dev1"
|
|
dd if=meta2 of="$dev2"
|
|
dd if=meta3 of="$dev3"
|
|
|
|
pvs 2>&1 | tee out
|
|
grep "ignoring metadata seqno" out
|
|
pvs "$dev1"
|
|
pvs "$dev2"
|
|
pvs "$dev3"
|
|
|
|
# We still see the three LVs since we are using
|
|
# the latest copy of metadata from dev3:mda2
|
|
|
|
lvs $vg/$lv1
|
|
lvs $vg/$lv2
|
|
lvs $vg/$lv3
|
|
|
|
# This command which writes the VG should update
|
|
# all of the old copies.
|
|
lvcreate -n $lv4 -l1 -an $vg
|
|
|
|
pvs 2>&1 | tee out
|
|
not grep "ignoring metadata seqno" out
|
|
pvs "$dev1"
|
|
pvs "$dev2"
|
|
pvs "$dev3"
|
|
|
|
lvs $vg/$lv1
|
|
lvs $vg/$lv2
|
|
lvs $vg/$lv3
|
|
lvs $vg/$lv4
|
|
|
|
vgchange -an $vg
|
|
vgremove -ff $vg
|
|
|
|
# Test when the metadata on two PVs have the same seqno
|
|
# but different checksums.
|
|
|
|
aux clear_devs "$dev1" "$dev2"
|
|
|
|
pvcreate "$dev1"
|
|
pvcreate "$dev2"
|
|
|
|
vgcreate $SHARED $vg "$dev1" "$dev2"
|
|
|
|
lvcreate -n $lv1 -l1 -an $vg
|
|
|
|
pvck --dump metadata -f meta "$dev2"
|
|
|
|
# change an unimportant character so the metadata is effectively
|
|
# the same in content but will have a different checksum
|
|
sed 's/Linux/linux/' meta > meta2
|
|
|
|
# write out the changed metadata
|
|
pvck --repair -y -f meta2 "$dev2"
|
|
|
|
# the vg can still be used but will produce warnings
|
|
# the mda on one pv is updated, but not the other,
|
|
# which changes the error from a checksum inconsistency
|
|
# into a seqno inconsistency.
|
|
lvs $vg 2>&1 | tee out
|
|
grep WARNING out
|
|
grep $lv1 out
|
|
lvcreate -n $lv2 -l1 -an $vg 2>&1 |tee out
|
|
grep WARNING out
|
|
lvs $vg 2>&1 | tee out
|
|
grep WARNING out
|
|
grep $lv1 out
|
|
grep $lv2 out
|
|
|
|
# correct the senqo inconsistency
|
|
vgck --updatemetadata $vg
|
|
lvs $vg 2>&1 | tee out
|
|
not grep WARNING out
|
|
grep $lv1 out
|
|
grep $lv2 out
|
|
|
|
vgremove -ff $vg
|