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lvm2/test/shell/metadata-bad-text.sh
Zdenek Kabelac 7d419b374a tests: reduce shellcheck warns
Reduce warnings in tests.
2023-02-10 17:50:27 +01:00

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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 "$VGS_ONLINE_DIR"/*
}
. lib/inittest
aux prepare_devs 3
get_devs
dd if=/dev/zero of="$dev1" || true
dd if=/dev/zero of="$dev2" || true
dd if=/dev/zero of="$dev3" || true
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 $vg
#
# Same test as above, but corrupt metadata text
# on two of the three PVs, leaving one good
# copy of the metadata.
#
dd if=/dev/zero of="$dev1" || true
dd if=/dev/zero of="$dev2" || true
dd if=/dev/zero of="$dev3" || true
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 $vg
#
# Three PVs where two have one mda, and the third
# has two mdas. The first mda is corrupted on all
# thee PVs, but the second mda on the third PV
# makes the VG usable.
#
dd if=/dev/zero of="$dev1" || true
dd if=/dev/zero of="$dev2" || true
dd if=/dev/zero of="$dev3" || true
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 $vg
#
# Test that vgck --updatemetadata will update old metadata
# and repair bad metadata text at the same time from different
# devices.
#
dd if=/dev/zero of="$dev1" || true
dd if=/dev/zero of="$dev2" || true
dd if=/dev/zero of="$dev3" || true
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
dd if=/dev/zero of="$dev1" || true
dd if=/dev/zero of="$dev2" || true
dd if=/dev/zero of="$dev3" || true
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 $vg
_clear_online_files
# pvscan of one dev with bad metadata will result
# in the pvid online file being created but the
# VG will not be known.
pvscan --cache -aay "$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