mirror of
git://sourceware.org/git/lvm2.git
synced 2024-12-22 17:35:59 +03:00
90 lines
2.4 KiB
Bash
90 lines
2.4 KiB
Bash
#!/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
|
|
|
|
# Exercise snapshot merge also when stacked
|
|
|
|
SKIP_WITH_LVMLOCKD=1
|
|
export LVM_TEST_THIN_REPAIR_CMD=${LVM_TEST_THIN_REPAIR_CMD-/bin/false}
|
|
|
|
. lib/inittest
|
|
|
|
which mkfs.ext3 || skip
|
|
|
|
aux target_at_least dm-snapshot-merge 1 0 0 || skip
|
|
|
|
aux prepare_vg 2 100
|
|
|
|
snap_and_merge() {
|
|
lvcreate -s -n $lv2 -L20 $vg/$lv1 "$dev2"
|
|
#dd if=/dev/zero of="$DM_DEV_DIR/$vg/$lv1" bs=1M count=10 conv=fdatasync
|
|
mkfs.ext3 "$DM_DEV_DIR/$vg/$lv2"
|
|
sync
|
|
lvs -a $vg
|
|
|
|
# keep device open to prevent instant merge
|
|
sleep 20 < "$DM_DEV_DIR/$vg/$lv1" &
|
|
SLEEP_PID=$!
|
|
|
|
# initiate background merge
|
|
lvconvert -b --merge $vg/$lv2
|
|
|
|
lvs -a -o+lv_merging,lv_merge_failed $vg
|
|
get lv_field $vg/$lv1 lv_attr | grep "Owi-ao"
|
|
get lv_field $vg/$lv2 lv_attr | grep "Swi-a-s---"
|
|
kill $SLEEP_PID
|
|
|
|
aux delay_dev "$dev1" 0 200 $(get first_extent_sector "$dev1"):
|
|
lvchange --poll n --refresh $vg/$lv1
|
|
dmsetup table
|
|
lvs -av -o+lv_merging,lv_merge_failed $vg
|
|
# Origin is closed and snapshot merge could run
|
|
get lv_field $vg/$lv1 lv_attr | grep "Owi-a-"
|
|
sleep 1
|
|
check lv_attr_bit state $vg/$lv2 "a"
|
|
aux error_dev "$dev2" $(get first_extent_sector "$dev2"):
|
|
aux enable_dev "$dev1"
|
|
# delay to let snapshot merge 'discover' failing COW device
|
|
sleep 1
|
|
sync
|
|
dmsetup status
|
|
lvs -a -o+lv_merging,lv_merge_failed $vg
|
|
check lv_attr_bit state $vg/$lv1 "m"
|
|
check lv_attr_bit state $vg/$lv2 "m"
|
|
|
|
# device OK and running in full speed
|
|
aux enable_dev "$dev2"
|
|
|
|
# reactivate so merge can finish
|
|
lvchange -an $vg
|
|
lvchange -ay $vg
|
|
sleep 1
|
|
lvs -a -o+lv_merging,lv_merge_failed $vg
|
|
check lv_not_exists $vg $lv2
|
|
fsck -n "$DM_DEV_DIR/$vg/$lv1"
|
|
|
|
lvremove -f $vg
|
|
}
|
|
|
|
|
|
# First check merge on plain linear LV
|
|
lvcreate -aey -L50 -n $lv1 $vg "$dev1"
|
|
snap_and_merge
|
|
|
|
# When available check merge of old snapshot with Thin LV being origin
|
|
if aux have_thin 1 0 0 ; then
|
|
lvcreate -T -L10 -V50 -n $lv1 $vg/pool "$dev1"
|
|
snap_and_merge
|
|
fi
|
|
|
|
# TODO snapshot merge with Mirror, Raid, Cache...
|
|
|
|
vgremove -f $vg
|