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-rw-r--r--test/shell/lvconvert-cache-snapshot.sh63
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diff --git a/test/shell/lvconvert-cache-snapshot.sh b/test/shell/lvconvert-cache-snapshot.sh
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+#!/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