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#!/bin/sh
# Copyright (C) 2013 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
# Test creation of thin snapshots using external origin
. lib/test
which mkfs.ext2 || skip
which fsck || skip
#
# Main
#
aux have_thin 1 3 0 || skip
aux prepare_pvs 2 64
vgcreate $vg -s 64K $( cat DEVICES)
lvcreate -L10M -V10M -T $vg /pool --name $lv1
mkfs.ext2 $DM_DEV_DIR /$vg /$lv1
lvcreate -L4M -n $lv2 $vg
mkfs.ext2 $DM_DEV_DIR /$vg /$lv2
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# Fail to create external origin snapshot of rw LV
not lvcreate -s $vg /$lv2 --thinpool $vg /pool
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lvchange -p r $vg /$lv2
# Fail to create snapshot of active r LV
# FIXME: kernel update needed
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not lvcreate -s $vg /$lv2 --thinpool $vg /pool
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# Deactivate LV we want to use as external origin
# once kernel will ensure read-only this condition may go away
lvchange -an $vg /$lv2
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lvcreate -s $vg /$lv2 --thinpool $vg /pool
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# Fail with --thin and --snapshot
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not lvcreate -s $vg /$lv5 --name $vg /$lv7 -T $vg /newpool
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# Fail to create already existing pool
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not lvcreate -s $vg /$lv2 -L10 --thinpool $vg /pool
not lvcreate -s $vg /$lv2 --chunksize 64 --thinpool $vg /pool
not lvcreate -s $vg /$lv2 --zero y --thinpool $vg /pool
not lvcreate -s $vg /$lv2 --poolmetadata $vg /$lv1 --thinpool $vg /pool
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# Fail with nonexistent pool
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not lvcreate -s $vg /$lv2 --thinpool $vg /newpool
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# Create pool and snap
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lvcreate -s -K $vg /$lv2 --name $vg /$lv3 -L20 --chunksize 128 --thinpool $vg /newpool
lvcreate -s -K $vg /$lv3 --name $vg /$lv4
lvcreate -s -K $vg /$lv2 --name $vg /$lv5 --thinpool $vg /newpool
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# Make normal thin snapshot
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lvcreate -s -K $vg /$lv5 --name $vg /$lv6
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# We do not need to specify thinpool when doing thin snap, but it should work
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lvcreate -s -K $vg /$lv5 --name $vg /$lv7 --thinpool $vg /newpool
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check inactive $vg $lv2
lvchange -ay $vg /$lv2
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lvcreate -s -K $vg /$lv2 --name $vg /$lv8 --thinpool $vg /newpool
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lvs -o+chunksize $vg
check active $vg $lv3
check active $vg $lv4
check active $vg $lv5
check active $vg $lv6
check active $vg $lv7
fsck -n $DM_DEV_DIR /$vg /$lv1
fsck -n $DM_DEV_DIR /$vg /$lv7
vgremove -ff $vg