diff options
author | Zdenek Kabelac <zkabelac@redhat.com> | 2016-04-06 11:50:18 +0200 |
---|---|---|
committer | Zdenek Kabelac <zkabelac@redhat.com> | 2016-04-06 11:54:36 +0200 |
commit | 07c25429e2b1eb08bb208a6bae015870c7ae635a (patch) | |
tree | 0a00be616b012c5ffb9e9a58c85af098dba34971 | |
parent | 9be7bca4be913f3edc4d4f838d72329475fa8655 (diff) | |
download | lvm2-07c25429e2b1eb08bb208a6bae015870c7ae635a.tar.gz |
tests: verify repair of failing mirror
Improved test script to verify lost mirror image does not
cause mirror corruption while mirror is in use.
TODO: add more cases (lost mlog...), lost image from 3leg mirror...
-rw-r--r-- | test/shell/lvconvert-repair-mirror.sh | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/test/shell/lvconvert-repair-mirror.sh b/test/shell/lvconvert-repair-mirror.sh new file mode 100644 index 000000000..242028d04 --- /dev/null +++ b/test/shell/lvconvert-repair-mirror.sh @@ -0,0 +1,75 @@ +#!/bin/sh +# Copyright (C) 2016 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_LVMLOCKD=1 +SKIP_WITH_LVMPOLLD=1 + +MOUNT_DIR=mnt + +. lib/inittest + +cleanup_mounted_and_teardown() +{ + umount "$MOUNT_DIR" || true + aux teardown +} + +aux lvmconf 'allocation/mirror_logs_require_separate_pvs = 1' + +aux prepare_vg 5 + +################### Check lost mirror leg ################# +# +# NOTE: using --regionsize 1M has major impact on my box +# on read performance while mirror is synchronized +# with the default 512K - my C2D T61 reads just couple MB/s! +# +lvcreate -aey --type mirror -L10 --regionsize 1M -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev3" +mkfs.ext4 "$DM_DEV_DIR/$vg/$lv1" +mkdir "$MOUNT_DIR" + +aux delay_dev "$dev2" 0 500 $(get first_extent_sector "$dev2"): +aux delay_dev "$dev4" 0 500 $(get first_extent_sector "$dev4"): +# +# Enforce syncronization +# ATM requires unmounted/unused LV?? +# +lvchange --yes --resync --noudevsync $vg/$lv1 +trap 'cleanup_mounted_and_teardown' EXIT +mount "$DM_DEV_DIR/$vg/$lv1" "$MOUNT_DIR" + +# run 'dd' operation during failure of 'mlog/mimage' device + +dd if=/dev/zero of=mnt/zero bs=4K count=100 conv=fdatasync 2>err & + +PERCENT=$(get lv_field $vg/$lv1 copy_percent) +PERCENT=${PERCENT%%\.*} # cut decimal +test "$PERCENT" -lt 50 # and check less then 50% mirror is in sync +#lvs -a -o+devices $vg + +#aux disable_dev "$dev3" +aux disable_dev "$dev2" + +lvconvert --yes --repair $vg/$lv1 +lvs -a $vg + +aux enable_dev "$dev2" + +wait +# dd MAY NOT HAVE produced any error message +not grep error err + +lvs -a -o+devices $vg +umount "$MOUNT_DIR" +fsck -n "$DM_DEV_DIR/$vg/$lv1" + +aux enable_dev "$dev4" +lvremove -ff $vg |