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author | Zdenek Kabelac <zkabelac@redhat.com> | 2019-10-26 00:15:31 +0200 |
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committer | Zdenek Kabelac <zkabelac@redhat.com> | 2019-10-26 00:46:33 +0200 |
commit | 9a8bff003bb5cc64f785db7190c323cf6a714789 (patch) | |
tree | ee3b725e21f4345f561cb48b3ab9129023a9de66 | |
parent | 963af243bfe68f4b8e83337529a39ff3324fef1d (diff) | |
download | lvm2-9a8bff003bb5cc64f785db7190c323cf6a714789.tar.gz |
tests: explicit testing of thin snapshot
Check merging of old snapshot of thin LV.
-rw-r--r-- | test/shell/snapshot-merge-thin.sh | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/test/shell/snapshot-merge-thin.sh b/test/shell/snapshot-merge-thin.sh new file mode 100644 index 000000000..80969d146 --- /dev/null +++ b/test/shell/snapshot-merge-thin.sh @@ -0,0 +1,49 @@ +#!/usr/bin/env bash + +# Copyright (C) 2019 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 merge of old snapshots over thin + +export LVM_TEST_THIN_REPAIR_CMD=${LVM_TEST_THIN_REPAIR_CMD-/bin/false} + +. lib/inittest + +aux target_at_least dm-snapshot-merge 1 0 0 || skip +aux have_thin 1 0 0 || skip + +aux prepare_vg 2 + +lvcreate -T -L1 -V1 -n $lv1 $vg/pool "$dev1" +lvcreate -s -n $lv2 -L2 $vg/$lv1 "$dev2" +dd if=/dev/zero of="$DM_DEV_DIR/$vg/$lv2" bs=1M count=1 conv=fdatasync + +# Initiate background merge +lvconvert -b --merge $vg/$lv2 + +# Query status of snapshot immediatelly after start +# - may hit race of checking already in-progress merge +lvs -a -o+lv_merging,lv_merge_failed $vg + +sleep 1 + +# Here should be everything already merged +lvs -a -o+lv_merging,lv_merge_failed $vg + +# -real must not exist for $vg/$lv1 +not dmsetup info ${vg}-${lv1}-real 2>&1 | tee out +grep "not exist" out + +not dmsetup info ${vg}-${lv2}-cow 2>&1 | tee out +grep "not exist" out + +check lv_not_exists $vg $lv2 + +vgremove -f $vg |