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Diffstat (limited to 'test/shell/lvconvert-cache-snapshot.sh')
-rw-r--r-- | test/shell/lvconvert-cache-snapshot.sh | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/test/shell/lvconvert-cache-snapshot.sh b/test/shell/lvconvert-cache-snapshot.sh new file mode 100644 index 0000000..ac9d3dd --- /dev/null +++ b/test/shell/lvconvert-cache-snapshot.sh @@ -0,0 +1,63 @@ +#!/usr/bin/env bash + +# 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 + +# Test various supported conversion of snapshot of cached volume + +SKIP_WITH_LVMLOCKD=1 +SKIP_WITH_LVMPOLLD=1 + +. lib/inittest + +aux have_cache 1 3 0 || skip + +aux prepare_vg 1 + + +# Prepare cached LV +lvcreate -aey -L1 -n $lv1 $vg +lvcreate -H -L2 -n cpool $vg/$lv1 + +# Prepare snapshot 'cow' LV +lvcreate -L3 -n cow $vg + +# Can't use 'cached' cow volume +not lvconvert -s cow $vg/$lv1 + +# Use cached LV with 'striped' cow volume +lvconvert -y -s $vg/$lv1 cow +check lv_field $vg/cow segtype linear +check lv_field $vg/$lv1 segtype cache + +# Drop cache while being in-use origin +lvconvert --splitcache $vg/$lv1 +check lv_field $vg/$lv1 segtype linear + +# Cache existing origin +lvconvert -y --cache $vg/$lv1 --cachepool $vg/cpool +check lv_field $vg/$lv1 segtype cache + +# Cannot split from 'origin' (being cached LV) +not lvconvert -y --splitsnapshot $vg/$lv1 + +lvchange --cachemode writeback $vg/$lv1 +check lv_field $vg/$lv1 cache_mode "writeback" +check grep_dmsetup status ${vg}-${lv1}-real "writeback" + +lvchange --cachemode writethrough $vg/$lv1 +check lv_field $vg/$lv1 cache_mode "writethrough" +check grep_dmsetup status ${vg}-${lv1}-real "writethrough" + +# Split 'cow' from cached origin +lvconvert -y --splitsnapshot $vg/cow +get lv_field $vg/cow attr | grep "^-wi" + +vgremove -f $vg |