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tests: check pool metadata are zeroed

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This commit is contained in:
Zdenek Kabelac 2020-06-24 14:42:11 +02:00
parent 094d6f80dd
commit 3f32f9811e
2 changed files with 22 additions and 0 deletions
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1
test/lib/aux.sh
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@ -1234,6 +1234,7 @@ activation/verify_udev_operations = $LVM_VERIFY_UDEV
activation/raid_region_size = 512 activation/raid_region_size = 512
allocation/wipe_signatures_when_zeroing_new_lvs = 0 allocation/wipe_signatures_when_zeroing_new_lvs = 0
allocation/vdo_slab_size_mb = 128 allocation/vdo_slab_size_mb = 128
allocation/zero_metadata = 0
backup/archive = 0 backup/archive = 0
backup/backup = 0 backup/backup = 0
devices/cache_dir = "$TESTDIR/etc" devices/cache_dir = "$TESTDIR/etc"

21
test/shell/lvcreate-thin.sh
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@ -248,4 +248,25 @@ not lvcreate -s $vg/lv1 -L4M -V2G --name $vg/lv4
not lvcreate -T mirpool -L4M --alloc anywhere -m1 $vg not lvcreate -T mirpool -L4M --alloc anywhere -m1 $vg
not lvcreate --thinpool mirpool -L4M --alloc anywhere -m1 $vg not lvcreate --thinpool mirpool -L4M --alloc anywhere -m1 $vg
# Check pool metadata volume is zeroed, when zero_metadata is enabled.
# 1st. ensure 8megs of both PVs will have some non-0 data
lvcreate -L8m -n $lv1 $vg "$dev1"
lvextend -L+8m $vg/$lv1 "$dev2"
dd if=/dev/urandom of="$DM_DEV_DIR/$vg/$lv1" bs=1M count=16 oflag=direct conv=fdatasync
lvremove -ff $vg/$lv1
lvcreate -l1 --poolmetadatasize 4m --conf 'allocation/zero_metadata=1' -vvvv -T $vg/pool
lvchange -an $vg
# component activation to check device was zeroed
lvchange -y -ay $vg/pool_tmeta
dd if="$DM_DEV_DIR/$vg/pool_tmeta" of=file bs=1M count=3 skip=1 iflag=direct conv=fdatasync
md5sum -b file | tee out
# md5sum of 3M of zeros
grep d1dd210d6b1312cb342b56d02bd5e651 out
lvchange -an $vg
lvremove -ff $vg
vgremove -ff $vg vgremove -ff $vg