mirror of
git://sourceware.org/git/lvm2.git
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tests: vg-raid-takeover
Different sequences of steps that could be used to handle raid LVs after VG takeover (what would happen in cluster failover) combined with the loss of a disk.
This commit is contained in:
David Teigland
parent
aa85ed1784
commit
937f1d3209
197
test/shell/vg-raid-takeover-1.sh
Normal file
197
test/shell/vg-raid-takeover-1.sh
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@ -0,0 +1,197 @@
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#!/usr/bin/env bash
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# Copyright (C) 2015 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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print_lvmlocal() {
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{ echo "local {"; printf "%s\n" "$@"; echo "}"; } >"$LVMLOCAL"
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}
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. lib/inittest
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aux prepare_devs 3 1024
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SIDFILE="etc/lvm_test.conf"
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LVMLOCAL="etc/lvmlocal.conf"
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DFDIR="$LVM_SYSTEM_DIR/devices"
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DF="$DFDIR/system.devices"
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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 $DF
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fi
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}
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SID1=sidfoofile1
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SID2=sidfoofile2
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echo "$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 400 -m1 -n $lv1 $vg "$dev1" "$dev2"
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lvcreate --type raid1 -L 400 -m2 -n $lv2 $vg "$dev1" "$dev2" "$dev3"
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# give some time for raid init
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sleep 2
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lvs -a -o+devices $vg
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mkfs.xfs -f "$DM_DEV_DIR/$vg/$lv1"
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mkfs.xfs -f "$DM_DEV_DIR/$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=4096 count=1024
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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=4096 count=1024
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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=4096 count=1024
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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=4096 count=1024
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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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# 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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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 $mount_dir
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mount "$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 $mount_dir
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aux unhide_dev "$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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pvs -o+missing
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vgs -o+systemid,partial,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 $mount_dir
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mount "$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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vgextend $vg "$dev1"
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lvconvert -y -m+1 $vg/$lv1 "$dev1"
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lvconvert -y -m+1 $vg/$lv2 "$dev1"
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# let raid sync new leg
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sleep 3
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mount "$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 $mount_dir
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mount "$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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vgchange -an $vg
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vgremove -f $vg
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188
test/shell/vg-raid-takeover-2.sh
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188
test/shell/vg-raid-takeover-2.sh
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@ -0,0 +1,188 @@
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#!/usr/bin/env bash
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# Copyright (C) 2015 Red Hat, Inc. All rights reserved.
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#
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# This copyrighted material is made available to anyone wishing to use,
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# modify, copy, or redistribute it subject to the terms and conditions
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# of the GNU General Public License v.2.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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test_description='Test VG takeover with raid LVs'
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# test does not apply to lvmlockd
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SKIP_WITH_LVMLOCKD=1
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SKIP_WITH_LVMPOLLD=1
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print_lvmlocal() {
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{ echo "local {"; printf "%s\n" "$@"; echo "}"; } >"$LVMLOCAL"
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}
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. lib/inittest
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aux prepare_devs 4 1024
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SIDFILE="etc/lvm_test.conf"
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LVMLOCAL="etc/lvmlocal.conf"
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DFDIR="$LVM_SYSTEM_DIR/devices"
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DF="$DFDIR/system.devices"
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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 $DF
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fi
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}
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SID1=sidfoofile1
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SID2=sidfoofile2
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echo "$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 400 -m1 -n $lv1 $vg "$dev1" "$dev2"
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lvcreate --type raid1 -L 400 -m2 -n $lv2 $vg "$dev1" "$dev2" "$dev3"
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# give some time for raid init
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sleep 2
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lvs -a -o+devices $vg
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mkfs.xfs -f "$DM_DEV_DIR/$vg/$lv1"
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mkfs.xfs -f "$DM_DEV_DIR/$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=4096 count=1024
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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=4096 count=1024
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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=4096 count=1024
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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=4096 count=1024
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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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# 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 $vg
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# unhide_dev before lvconvert --repair
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# i.e. the device reappears before the LVs are repaired
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aux unhide_dev "$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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# this repairs lv1 by using dev3 in place of dev1
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lvconvert -y --repair $vg/$lv1
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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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# add a new disk to use for replacing dev1 in lv2
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vgextend $vg "$dev4"
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lvconvert -y --repair $vg/$lv2
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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 $mount_dir
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mount "$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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# let the new legs sync
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sleep 3
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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 $vg
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mount "$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 $mount_dir
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mount "$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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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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vgchange -an $vg
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vgremove -f $vg
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171
test/shell/vg-raid-takeover-3.sh
Normal file
171
test/shell/vg-raid-takeover-3.sh
Normal file
@ -0,0 +1,171 @@
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#!/usr/bin/env bash
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|
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# Copyright (C) 2015 Red Hat, Inc. All rights reserved.
|
||||
#
|
||||
# This copyrighted material is made available to anyone wishing to use,
|
||||
# modify, copy, or redistribute it subject to the terms and conditions
|
||||
# of the GNU General Public License v.2.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software Foundation,
|
||||
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
|
||||
test_description='Test VG takeover with raid LVs'
|
||||
|
||||
# test does not apply to lvmlockd
|
||||
SKIP_WITH_LVMLOCKD=1
|
||||
SKIP_WITH_LVMPOLLD=1
|
||||
|
||||
print_lvmlocal() {
|
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{ echo "local {"; printf "%s\n" "$@"; echo "}"; } >"$LVMLOCAL"
|
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}
|
||||
|
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. lib/inittest
|
||||
|
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aux prepare_devs 3 1024
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|
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SIDFILE="etc/lvm_test.conf"
|
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LVMLOCAL="etc/lvmlocal.conf"
|
||||
|
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DFDIR="$LVM_SYSTEM_DIR/devices"
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DF="$DFDIR/system.devices"
|
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|
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# Avoid system id validation in the devices file
|
||||
# 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 $DF
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fi
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}
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SID1=sidfoofile1
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SID2=sidfoofile2
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echo "$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 400 -m1 -n $lv1 $vg "$dev1" "$dev2"
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lvcreate --type raid1 -L 400 -m2 -n $lv2 $vg "$dev1" "$dev2" "$dev3"
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# give some time for raid init
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sleep 2
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lvs -a -o+devices $vg
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mkfs.xfs -f "$DM_DEV_DIR/$vg/$lv1"
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mkfs.xfs -f "$DM_DEV_DIR/$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=4096 count=1024
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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=4096 count=1024
|
||||
cp pattern1 $mount_dir/pattern1a
|
||||
cp pattern1 $mount_dir/pattern1b
|
||||
umount $mount_dir
|
||||
|
||||
vgchange -an $vg
|
||||
|
||||
# make the vg foreign
|
||||
vgchange --yes --systemid $SID2 $vg
|
||||
not vgs $vg
|
||||
|
||||
# make one dev missing
|
||||
aux hide_dev "$dev1"
|
||||
|
||||
# take over the vg, like cluster failover would do
|
||||
vgchange --majoritypvs --config "local/extra_system_ids=[\"${SID2}\"]" --systemid $SID1 $vg
|
||||
pvs -o+missing
|
||||
vgs -o+systemid,partial $vg
|
||||
lvs -a -o+devices $vg
|
||||
|
||||
lvchange -ay --activationmode degraded $vg/$lv1
|
||||
lvchange -ay --activationmode degraded $vg/$lv2
|
||||
|
||||
mount "$DM_DEV_DIR/$vg/$lv1" $mount_dir
|
||||
dd of=/dev/null if=$mount_dir/file1 bs=4096 count=1024
|
||||
diff pattern1 $mount_dir/pattern1a
|
||||
diff pattern1 $mount_dir/pattern1b
|
||||
rm $mount_dir/pattern1b
|
||||
rm $mount_dir/file1
|
||||
cp pattern1 $mount_dir/pattern1c
|
||||
umount $mount_dir
|
||||
|
||||
mount "$DM_DEV_DIR/$vg/$lv2" $mount_dir
|
||||
dd of=/dev/null if=$mount_dir/file1 bs=4096 count=1024
|
||||
diff pattern1 $mount_dir/pattern1a
|
||||
diff pattern1 $mount_dir/pattern1b
|
||||
rm $mount_dir/pattern1b
|
||||
rm $mount_dir/file1
|
||||
cp pattern1 $mount_dir/pattern1c
|
||||
umount $mount_dir
|
||||
|
||||
pvs -o+missing
|
||||
vgs -o+systemid,partial $vg
|
||||
lvs -a -o+devices $vg
|
||||
|
||||
# replaces dev1 with dev3
|
||||
lvconvert -y --repair $vg/$lv1
|
||||
|
||||
# no other disk to replace dev1 so remove the leg,
|
||||
# but that's not allowed until the missing disk is removed from the vg
|
||||
not lvconvert -y -m-1 $vg/$lv2
|
||||
vgreduce --removemissing --mirrorsonly --force $vg
|
||||
pvs -o+missing
|
||||
vgs -o+systemid,partial $vg
|
||||
lvs -a -o+devices $vg
|
||||
lvconvert -y -m-1 $vg/$lv2
|
||||
|
||||
pvs -o+missing
|
||||
vgs -o+systemid,partial $vg
|
||||
lvs -a -o+devices $vg
|
||||
|
||||
mount "$DM_DEV_DIR/$vg/$lv1" $mount_dir
|
||||
diff pattern1 $mount_dir/pattern1a
|
||||
diff pattern1 $mount_dir/pattern1c
|
||||
umount $mount_dir
|
||||
|
||||
mount "$DM_DEV_DIR/$vg/$lv2" $mount_dir
|
||||
diff pattern1 $mount_dir/pattern1a
|
||||
diff pattern1 $mount_dir/pattern1c
|
||||
umount $mount_dir
|
||||
|
||||
aux unhide_dev "$dev1"
|
||||
|
||||
# put dev1 back into lv2,
|
||||
# requires clearing outdated metadata and putting dev1 back in vg
|
||||
vgck --updatemetadata $vg
|
||||
pvs -o+missing
|
||||
vgextend $vg "$dev1"
|
||||
pvs -o+missing
|
||||
lvconvert -y -m+1 $vg/$lv2 "$dev1"
|
||||
|
||||
pvs -o+missing
|
||||
vgs -o+systemid,partial $vg
|
||||
lvs -a -o+devices $vg
|
||||
|
||||
mount "$DM_DEV_DIR/$vg/$lv1" $mount_dir
|
||||
diff pattern1 $mount_dir/pattern1a
|
||||
diff pattern1 $mount_dir/pattern1c
|
||||
umount $mount_dir
|
||||
|
||||
mount "$DM_DEV_DIR/$vg/$lv2" $mount_dir
|
||||
diff pattern1 $mount_dir/pattern1a
|
||||
diff pattern1 $mount_dir/pattern1c
|
||||
umount $mount_dir
|
||||
|
||||
vgchange -an $vg
|
||||
vgremove -f $vg
|
||||
151
test/shell/vg-raid-takeover-4.sh
Normal file
151
test/shell/vg-raid-takeover-4.sh
Normal file
@ -0,0 +1,151 @@
|
||||
#!/usr/bin/env bash
|
||||
|
||||
# Copyright (C) 2015 Red Hat, Inc. All rights reserved.
|
||||
#
|
||||
# This copyrighted material is made available to anyone wishing to use,
|
||||
# modify, copy, or redistribute it subject to the terms and conditions
|
||||
# of the GNU General Public License v.2.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software Foundation,
|
||||
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
|
||||
test_description='Test VG takeover with raid LVs'
|
||||
|
||||
# test does not apply to lvmlockd
|
||||
SKIP_WITH_LVMLOCKD=1
|
||||
SKIP_WITH_LVMPOLLD=1
|
||||
|
||||
print_lvmlocal() {
|
||||
{ echo "local {"; printf "%s\n" "$@"; echo "}"; } >"$LVMLOCAL"
|
||||
}
|
||||
|
||||
. lib/inittest
|
||||
|
||||
aux prepare_devs 4 1024
|
||||
|
||||
SIDFILE="etc/lvm_test.conf"
|
||||
LVMLOCAL="etc/lvmlocal.conf"
|
||||
|
||||
DFDIR="$LVM_SYSTEM_DIR/devices"
|
||||
DF="$DFDIR/system.devices"
|
||||
|
||||
# Avoid system id validation in the devices file
|
||||
# which gets in the way of the test switching the
|
||||
# local system id.
|
||||
clear_df_systemid() {
|
||||
if [[ -f $DF ]]; then
|
||||
sed -e "s|SYSTEMID=.||" "$DF" > tmpdf
|
||||
cp tmpdf $DF
|
||||
fi
|
||||
}
|
||||
|
||||
SID1=sidfoofile1
|
||||
SID2=sidfoofile2
|
||||
echo "$SID1" > "$SIDFILE"
|
||||
clear_df_systemid
|
||||
aux lvmconf "global/system_id_source = file" \
|
||||
"global/system_id_file = \"$SIDFILE\""
|
||||
vgcreate $vg "$dev1" "$dev2" "$dev3"
|
||||
vgs -o+systemid,partial $vg
|
||||
check vg_field $vg systemid "$SID1"
|
||||
|
||||
lvcreate --type raid1 -L 400 -m1 -n $lv1 $vg "$dev1" "$dev2"
|
||||
lvcreate --type raid1 -L 400 -m2 -n $lv2 $vg "$dev1" "$dev2" "$dev3"
|
||||
|
||||
# give some time for raid init
|
||||
sleep 2
|
||||
lvs -a -o+devices $vg
|
||||
|
||||
mkfs.xfs -f "$DM_DEV_DIR/$vg/$lv1"
|
||||
mkfs.xfs -f "$DM_DEV_DIR/$vg/$lv2"
|
||||
|
||||
dd if=/dev/urandom of=pattern1 bs=512K count=1
|
||||
|
||||
mount_dir="mnt_takeover"
|
||||
mkdir -p "$mount_dir"
|
||||
|
||||
mount "$DM_DEV_DIR/$vg/$lv1" $mount_dir
|
||||
dd if=/dev/zero of=$mount_dir/file1 bs=4096 count=1024
|
||||
cp pattern1 $mount_dir/pattern1a
|
||||
cp pattern1 $mount_dir/pattern1b
|
||||
umount $mount_dir
|
||||
|
||||
mount "$DM_DEV_DIR/$vg/$lv2" $mount_dir
|
||||
dd if=/dev/zero of=$mount_dir/file1 bs=4096 count=1024
|
||||
cp pattern1 $mount_dir/pattern1a
|
||||
cp pattern1 $mount_dir/pattern1b
|
||||
umount $mount_dir
|
||||
|
||||
vgchange -an $vg
|
||||
|
||||
# make the vg foreign
|
||||
vgchange --yes --systemid $SID2 $vg
|
||||
not vgs $vg
|
||||
|
||||
# make one dev missing
|
||||
aux hide_dev "$dev1"
|
||||
|
||||
# take over the vg, like cluster failover would do
|
||||
vgchange --majoritypvs --config "local/extra_system_ids=[\"${SID2}\"]" --systemid $SID1 $vg
|
||||
pvs -o+missing
|
||||
vgs -o+systemid,partial $vg
|
||||
lvs -a -o+devices $vg
|
||||
|
||||
lvchange -ay --activationmode degraded $vg/$lv1
|
||||
lvchange -ay --activationmode degraded $vg/$lv2
|
||||
|
||||
mount "$DM_DEV_DIR/$vg/$lv1" $mount_dir
|
||||
dd of=/dev/null if=$mount_dir/file1 bs=4096 count=1024
|
||||
diff pattern1 $mount_dir/pattern1a
|
||||
diff pattern1 $mount_dir/pattern1b
|
||||
rm $mount_dir/pattern1b
|
||||
rm $mount_dir/file1
|
||||
cp pattern1 $mount_dir/pattern1c
|
||||
umount $mount_dir
|
||||
|
||||
mount "$DM_DEV_DIR/$vg/$lv2" $mount_dir
|
||||
dd of=/dev/null if=$mount_dir/file1 bs=4096 count=1024
|
||||
diff pattern1 $mount_dir/pattern1a
|
||||
diff pattern1 $mount_dir/pattern1b
|
||||
rm $mount_dir/pattern1b
|
||||
rm $mount_dir/file1
|
||||
cp pattern1 $mount_dir/pattern1c
|
||||
umount $mount_dir
|
||||
|
||||
pvs -o+missing
|
||||
vgs -o+systemid,partial $vg
|
||||
lvs -a -o+devices $vg
|
||||
|
||||
# unhide_dev
|
||||
# the device reappears before the LVs are repaired
|
||||
# and before the missing dev is removed from the vg
|
||||
|
||||
aux unhide_dev "$dev1"
|
||||
|
||||
pvs -o+missing
|
||||
vgs -o+systemid,partial $vg
|
||||
lvs -a -o+devices $vg
|
||||
|
||||
vgextend --restoremissing $vg "$dev1"
|
||||
|
||||
pvs -o+missing
|
||||
vgs -o+systemid,partial $vg
|
||||
lvs -a -o+devices $vg
|
||||
|
||||
mount "$DM_DEV_DIR/$vg/$lv1" $mount_dir
|
||||
diff pattern1 $mount_dir/pattern1a
|
||||
diff pattern1 $mount_dir/pattern1c
|
||||
umount $mount_dir
|
||||
|
||||
mount "$DM_DEV_DIR/$vg/$lv2" $mount_dir
|
||||
diff pattern1 $mount_dir/pattern1a
|
||||
diff pattern1 $mount_dir/pattern1c
|
||||
umount $mount_dir
|
||||
|
||||
pvs -o+missing
|
||||
vgs -o+systemid,partial $vg
|
||||
lvs -a -o+devices $vg
|
||||
|
||||
vgchange -an $vg
|
||||
vgremove -f $vg
|
||||
Loading…
Reference in New Issue
Block a user