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lvm2/test/shell/metadata-bad-text.sh
Zdenek Kabelac 81dc0e72da tests: explicitely use event_activation=1
Some test do expect event_activation to be set.
So add explicit configuring of this setting in tests,
but also add new default which kind of does it globally
as it's expected default  (yet our testing rpms might
be create with disabled event_activation)
By adding this to each test individually - it's now easy
to locate such tests...
2024-04-12 00:21:45 +02:00

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#!/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
RUNDIR="/run"
test -d "$RUNDIR" || RUNDIR="/var/run"
PVS_ONLINE_DIR="$RUNDIR/lvm/pvs_online"
VGS_ONLINE_DIR="$RUNDIR/lvm/vgs_online"
_clear_online_files() {
# wait till udev is finished
aux udev_wait
rm -f "$PVS_ONLINE_DIR"/*
rm -f "$VGS_ONLINE_DIR"/*
}
. lib/inittest
aux prepare_devs 3
get_devs
aux clear_devs "$dev1" "$dev2" "$dev3"
vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3"
pvs
dd if="$dev1" of=meta1 bs=4k count=2
sed 's/flags =/flagx =/' meta1 > meta1.bad
dd if=meta1.bad of="$dev1"
pvs 2>&1 | tee out
grep "Checksum error" out
pvs "$dev1"
pvs "$dev2"
pvs "$dev3"
# bad metadata in one mda doesn't prevent using
# the VG since other mdas are fine and usable
lvcreate -l1 $vg
vgck --updatemetadata $vg
pvs 2>&1 | tee out
not grep "Checksum error" out
pvs "$dev1"
pvs "$dev2"
pvs "$dev3"
vgchange -an $vg
vgremove -ff $vg
#
# Same test as above, but corrupt metadata text
# on two of the three PVs, leaving one good
# copy of the metadata.
#
aux clear_devs "$dev1" "$dev2" "$dev3"
vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3"
pvs
dd if="$dev1" of=meta1 bs=4k count=2
dd if="$dev2" of=meta2 bs=4k count=2
sed 's/READ/RRRR/' meta1 > meta1.bad
sed 's/seqno =/sss =/' meta2 > meta2.bad
dd if=meta1.bad of="$dev1"
dd if=meta2.bad of="$dev2"
pvs 2>&1 | tee out
# FIXME: find a better test than looking for a specific message
grep "Checksum error" out > out2
grep "$dev1" out2
grep "$dev2" out2
pvs "$dev1"
pvs "$dev2"
pvs "$dev3"
# bad metadata in one mda doesn't prevent using
# the VG since other mdas are fine
lvcreate -l1 $vg
vgck --updatemetadata $vg
pvs 2>&1 | tee out
not grep "Checksum error" out
pvs "$dev1"
pvs "$dev2"
pvs "$dev3"
vgchange -an $vg
vgremove -ff $vg
#
# Three PVs where two have one mda, and the third
# has two mdas. The first mda is corrupted on all
# thee PVs, but the second mda on the third PV
# makes the VG usable.
#
aux clear_devs "$dev1" "$dev2" "$dev3"
pvcreate "$dev1"
pvcreate "$dev2"
pvcreate --pvmetadatacopies 2 "$dev3"
vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3"
pvs
dd if="$dev1" of=meta1 bs=4k count=2
dd if="$dev2" of=meta2 bs=4k count=2
dd if="$dev3" of=meta3 bs=4k count=2
sed 's/READ/RRRR/' meta1 > meta1.bad
sed 's/seqno =/sss =/' meta2 > meta2.bad
sed 's/id =/id/' meta3 > meta3.bad
dd if=meta1.bad of="$dev1"
dd if=meta2.bad of="$dev2"
dd if=meta3.bad of="$dev3"
pvs 2>&1 | tee out
grep "Checksum error" out > out2
grep "$dev1" out2
grep "$dev2" out2
grep "$dev3" out2
pvs "$dev1"
pvs "$dev2"
pvs "$dev3"
# bad metadata in some mdas doesn't prevent using
# the VG if there's a good mda found
lvcreate -l1 $vg
vgck --updatemetadata $vg
pvs 2>&1 | tee out
not grep "Checksum error" out
pvs "$dev1"
pvs "$dev2"
pvs "$dev3"
vgchange -an $vg
vgremove -ff $vg
#
# Test that vgck --updatemetadata will update old metadata
# and repair bad metadata text at the same time from different
# devices.
#
aux clear_devs "$dev1" "$dev2" "$dev3"
pvcreate "$dev1"
pvcreate "$dev2"
pvcreate --pvmetadatacopies 2 "$dev3"
vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3"
# Put bad metadata onto dev1
dd if="$dev1" of=meta1 bs=4k count=2
sed 's/READ/RRRR/' meta1 > meta1.bad
dd if=meta1.bad of="$dev1"
pvs 2>&1 | tee out
grep "Checksum error" out > out2
grep "$dev1" out2
# We can still use the VG with other available
# mdas, skipping the bad mda.
lvcreate -n $lv1 -l1 -an $vg "$dev1"
lvcreate -n $lv2 -l1 -an $vg "$dev1"
# Put old metadata onto dev2 by updating
# the VG while dev2 is disabled.
aux disable_dev "$dev2"
pvs
pvs "$dev1"
not pvs "$dev2"
pvs "$dev3"
lvs $vg/$lv1
lvs $vg/$lv2
lvremove $vg/$lv2
aux enable_dev "$dev2"
# Both old and bad metadata are reported.
pvs 2>&1 | tee out
grep "ignoring metadata seqno" out
grep "Checksum error" out
pvs "$dev1"
pvs "$dev2"
pvs "$dev3"
lvs $vg/$lv1
not lvs $vg/$lv2
# fixes the bad metadata on dev1, and
# fixes the old metadata on dev2.
vgck --updatemetadata $vg
pvs 2>&1 | tee out
not grep "ignoring metadata seqno" out
not grep "Checksum error" out
pvs "$dev1"
pvs "$dev2"
pvs "$dev3"
lvs $vg/$lv1
vgchange -an $vg
vgremove -ff $vg
#
# Test pvscan activation with bad PVs
#
# autoactivation not done on shared VGs
if test -n "$LVM_TEST_LVMLOCKD"; then
exit 0
fi
aux clear_devs "$dev1" "$dev2" "$dev3"
vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3"
PVID1=$(pvs "$dev1" --noheading -o uuid | tr -d - | awk '{print $1}')
echo $PVID1
PVID2=$(pvs "$dev2" --noheading -o uuid | tr -d - | awk '{print $1}')
echo $PVID2
PVID3=$(pvs "$dev3" --noheading -o uuid | tr -d - | awk '{print $1}')
echo $PVID3
pvs
dd if="$dev1" of=meta1 bs=4k count=2
dd if="$dev2" of=meta2 bs=4k count=2
sed 's/READ/RRRR/' meta1 > meta1.bad
sed 's/seqno =/sss =/' meta2 > meta2.bad
dd if=meta1.bad of="$dev1"
dd if=meta2.bad of="$dev2"
pvs 2>&1 | tee out
grep "Checksum error" out > out2
grep "$dev1" out2
grep "$dev2" out2
pvs "$dev1"
pvs "$dev2"
pvs "$dev3"
# bad metadata in one mda doesn't prevent using
# the VG since other mdas are fine
lvcreate -l1 -n $lv1 $vg
vgchange -an $vg
_clear_online_files
aux lvmconf "global/event_activation = 1"
# pvscan of one dev with bad metadata will result
# in the pvid online file being created but the
# VG will not be known.
pvscan --cache -aay "$dev1"
ls "$RUNDIR/lvm/pvs_online/$PVID1"
not ls "$RUNDIR/lvm/pvs_online/$PVID2"
not ls "$RUNDIR/lvm/pvs_online/$PVID3"
not ls "$RUNDIR/lvm/vgs_online/$vg"
_clear_online_files
# scan the one pv with good metadata, does not scan any others
pvscan --cache -aay "$dev3"
not ls "$RUNDIR/lvm/pvs_online/$PVID1"
not ls "$RUNDIR/lvm/pvs_online/$PVID2"
ls "$RUNDIR/lvm/pvs_online/$PVID3"
not ls "$RUNDIR/lvm/vgs_online/$vg"
vgck --updatemetadata $vg
pvs 2>&1 | tee out
not grep "Checksum error" out
pvs "$dev1"
pvs "$dev2"
pvs "$dev3"
vgchange -an $vg
vgremove -ff $vg