mirror of
git://sourceware.org/git/lvm2.git
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203 lines
4.8 KiB
Bash
203 lines
4.8 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 2023 Red Hat, Inc. All rights reserved.
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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test_description='Test VG takeover with raid LVs'
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# test does not apply to lvmlockd
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SKIP_WITH_LVMLOCKD=1
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SKIP_WITH_LVMPOLLD=1
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. lib/inittest
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aux have_raid 1 9 0 || skip
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aux prepare_devs ${PREPARE_DEVS-3}
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eval "$(lvmconfig global/etc)"
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SIDFILE="$etc/lvm_test.conf"
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LVMLOCAL="$etc/lvmlocal.conf"
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DF="$etc/devices/system.devices"
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print_lvmlocal() {
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{ echo "local {"; printf "%s\n" "$@"; echo "}"; } >"$LVMLOCAL"
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}
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# Avoid system id validation in the devices file
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# which gets in the way of the test switching the
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# local system id.
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clear_df_systemid() {
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if [[ -f "$DF" ]]; then
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sed -e "s|SYSTEMID=.||" "$DF" > tmpdf
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cp tmpdf "$DF"
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fi
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}
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test_check_mount() {
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pvs -o+missing
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vgs -o+systemid,partial $vg
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lvs -a -o+devices $vg
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mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir"
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diff pattern1 "$mount_dir/pattern1a"
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diff pattern1 "$mount_dir/pattern1c"
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umount "$mount_dir"
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fsck -n "$DM_DEV_DIR/$vg/$lv1"
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mount "$DM_DEV_DIR/$vg/$lv2" "$mount_dir"
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diff pattern1 "$mount_dir/pattern1a"
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diff pattern1 "$mount_dir/pattern1c"
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umount "$mount_dir"
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fsck -n "$DM_DEV_DIR/$vg/$lv2"
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}
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SID1=sidfoofile1
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SID2=sidfoofile2
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echo "$SID1" > "$SIDFILE"
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clear_df_systemid
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aux lvmconf "global/system_id_source = file" \
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"global/system_id_file = \"$SIDFILE\""
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vgcreate $vg "$dev1" "$dev2" "$dev3"
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vgs -o+systemid,partial $vg
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check vg_field $vg systemid "$SID1"
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lvcreate --type raid1 -L 8 -m1 -n $lv1 $vg "$dev1" "$dev2"
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lvcreate --type raid1 -L 8 -m2 -n $lv2 $vg "$dev1" "$dev2" "$dev3"
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# give some time for raid init
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aux wait_for_sync $vg $lv1
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aux wait_for_sync $vg $lv2
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lvs -a -o+devices $vg
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mkfs.ext4 "$DM_DEV_DIR/$vg/$lv1"
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mkfs.ext4 "$DM_DEV_DIR/$vg/$lv2"
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dd if=/dev/urandom of=pattern1 bs=512K count=1
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mount_dir="mnt_takeover"
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mkdir -p "$mount_dir"
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mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir"
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dd if=/dev/zero of="$mount_dir/file1" bs=1M count=4 oflag=direct
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cp pattern1 "$mount_dir/pattern1a"
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cp pattern1 "$mount_dir/pattern1b"
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umount "$mount_dir"
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mount "$DM_DEV_DIR/$vg/$lv2" "$mount_dir"
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dd if=/dev/zero of="$mount_dir/file1" bs=1M count=4 oflag=direct
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cp pattern1 "$mount_dir/pattern1a"
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cp pattern1 "$mount_dir/pattern1b"
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umount "$mount_dir"
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vgchange -an $vg
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# make the vg foreign
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vgchange --yes --systemid "$SID2" $vg
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not vgs $vg
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# make one dev missing
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aux hide_dev "$dev1"
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# take over the vg, like cluster failover would do
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vgchange --majoritypvs --config "local/extra_system_ids=[\"${SID2}\"]" --systemid "$SID1" $vg
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pvs -o+missing
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vgs -o+systemid,partial $vg
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lvs -a -o+devices $vg
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lvchange -ay --activationmode degraded $vg/$lv1
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lvchange -ay --activationmode degraded $vg/$lv2
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mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir"
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dd of=/dev/null if="$mount_dir/file1" bs=1M count=4
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diff pattern1 "$mount_dir/pattern1a"
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diff pattern1 "$mount_dir/pattern1b"
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rm "$mount_dir/pattern1b"
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rm "$mount_dir/file1"
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cp pattern1 "$mount_dir/pattern1c"
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umount "$mount_dir"
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mount "$DM_DEV_DIR/$vg/$lv2" "$mount_dir"
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dd of=/dev/null if="$mount_dir/file1" bs=1M count=4
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diff pattern1 "$mount_dir/pattern1a"
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diff pattern1 "$mount_dir/pattern1b"
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rm "$mount_dir/pattern1b"
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rm "$mount_dir/file1"
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cp pattern1 "$mount_dir/pattern1c"
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umount "$mount_dir"
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pvs -o+missing
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vgs -o+systemid,partial $vg
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lvs -a -o+devices $vg
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#----------------------------------------------------------
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# test will continue differently when var OTHER_TEST is set
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#----------------------------------------------------------
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test -n "${CONTINUE_ELSEWHERE-}" && return 0
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# fails because the missing dev is used by lvs
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not vgreduce --removemissing $vg
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# works because lvs can be used with missing leg
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vgreduce --removemissing --mirrorsonly --force $vg
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pvs -o+missing
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vgs -o+systemid,partial $vg
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lvs -a -o+devices $vg
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# decline to repair (answer no)
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lvconvert --repair $vg/$lv1
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# fails to find another disk to use to repair
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not lvconvert -y --repair $vg/$lv2
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test_check_mount
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aux unhide_dev "$dev1"
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pvs -o+missing
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vgs -o+systemid,partial $vg
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lvs -a -o+devices $vg
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vgck --updatemetadata $vg
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pvs -o+missing
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vgs -o+systemid,partial $vg
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lvs -a -o+devices $vg
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# remove the failed unused leg, leaving 2 legs
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lvconvert -y -m-1 $vg/$lv2
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# remove the failed unused leg, leaving 1 leg
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lvconvert -y -m-1 $vg/$lv1
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test_check_mount
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vgextend $vg "$dev1"
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lvconvert -y -m+1 $vg/$lv1 "$dev1"
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lvconvert -y -m+1 $vg/$lv2 "$dev1"
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# let raid sync new leg
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aux wait_for_sync $vg $lv1
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aux wait_for_sync $vg $lv2
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test_check_mount
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vgchange -an $vg
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vgremove -f $vg
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