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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 conversion to thin external origin
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SKIP_WITH_LVMPOLLD = 1
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export LVM_TEST_THIN_REPAIR_CMD = ${ LVM_TEST_THIN_REPAIR_CMD -/bin/false }
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. lib/inittest
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which mkfs.ext2 || skip
which fsck || skip
#
# Main
#
aux have_thin 1 5 0 || skip
aux prepare_pvs 2 64
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vgcreate $vg --metadatasize 128K -s 64K $( cat DEVICES)
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if test 0 -eq 1 ; then
# FIXME: needs patch to allow inactive old-snap creation
lvcreate -l10 -T $vg /pool
lvcreate -an -pr --zero n -l10 --name $lv1 $vg
lvcreate -s $vg /$lv1 --name $lv2 --thinpool $vg /pool
vgchange -an $vg
# oldstyle read-only inactive snapshot
lvcreate -an -s $vg /$lv2 -l10 -p r --name $lv3
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lvcreate -s $vg /$lv3 --name $lv4 --thinpool $vg /pool
lvremove -ff $vg /$lv3
lvremove -ff $vg
fi
#lvcreate -L20M --name orig $vg
#lvconvert -T --thinpool $vg/pool $vg/orig
#lvcreate -s -aey -L10M $vg/orig
#lvremove -f $vg
#exit 0
lvcreate -l10 -T $vg /pool
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# Can't convert pool to external origin
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lvcreate -l10 -T $vg /pool1 -c 192k
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not lvconvert -T --thinpool $vg /pool1 $vg /pool --originname origin
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# Create pool1 chunk_size unaligned LV and check failing conversion
lvcreate -l2 -n $lv1 $vg
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# Newer thin-pool target (>= 1.13) supports unaligned external origin
aux lvmconf 'global/thin_disabled_features = [ "external_origin_extend" ]'
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not lvconvert -T --thinpool $vg /pool1 $vg /$lv1
lvremove -f $vg /pool1 $vg /$lv1
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# create plain LV (will be used for external origin)
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lvcreate -L8M -n $lv1 $vg
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# Can't convert same LV to the thin pool and thin volume
not lvconvert --thinpool $vg /$lv1 -T $vg /$lv1
check lv_field $vg /$lv1 segtype linear
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mkfs.ext2 " $DM_DEV_DIR / $vg / $lv1 "
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mkdir mnt
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mount " $DM_DEV_DIR / $vg / $lv1 " mnt
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dd if = /dev/zero of = mnt/test1 bs = 1M count = 1
# convert plain LV into thin external snapshot volume
# during conversion dd above could be still flushed
lvconvert -T --originname extorg --thinpool $vg /pool $vg /$lv1
check active $vg $lv1
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# FIXME handling attr is ...
get lv_field $vg /extorg attr | grep "^ori"
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check inactive $vg extorg
touch mnt/test
umount mnt
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# check fs is without errors
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fsck -n " $DM_DEV_DIR / $vg / $lv1 "
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lvchange -aey $vg /extorg
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lvchange -an $vg /$lv1
check active $vg extorg
check inactive $vg $lv1
# fsck in read-only mode
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fsck -n " $DM_DEV_DIR / $vg /extorg "
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not lvresize -l+8 $vg /extorg
not lvresize -l-4 $vg /extorg
not lvchange -p rw $vg /extorg
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#lvresize -L+8M $vg/$lv1
#lvresize -L-4M $vg/$lv1
#lvchange -p r $vg/$lv1
#lvchange -p rw $vg/$lv1
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lvchange -aey $vg
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lvs -a -o+origin_size,seg_size $vg
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# Chain external origins
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lvconvert --type thin --originname extorg1 --thinpool $vg /pool $vg /extorg
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check inactive $vg extorg1
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lvconvert --originname extorg2 --thinpool $vg /pool -T $vg /extorg1
check inactive $vg extorg1
check inactive $vg extorg2
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lvchange -an $vg /extorg
lvchange -ay $vg /extorg1
lvcreate -l4 -s $vg /$lv1 -n $lv2
lvcreate -l8 -s $vg /extorg -n $lv3
lvcreate -l12 -s $vg /extorg1 -n $lv4
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lvcreate -l16 -s $vg /extorg2 -n $lv5
#vgchange -aey $vg
#lvremove -f $vg/extorg2
#exit 0
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# Converting old-snapshot into external origin is not supported
not lvconvert -T --thinpool $vg /pool --originname lv5origin $vg /$lv4
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lvs -a -o +segtype $vg
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check lv_field $vg /$lv1 segtype thin
check lv_field $vg /$lv2 segtype linear
check lv_field $vg /$lv3 segtype linear
check lv_field $vg /$lv4 segtype linear
check lv_field $vg /$lv5 segtype linear
check lv_field $vg /extorg segtype thin
check lv_field $vg /extorg1 segtype thin
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check lv_field $vg /extorg2 segtype linear
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vgchange -ay $vg
lvs -a -o+origin_size,seg_size $vg
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lvchange -an $vg /extorg2
check inactive $vg extorg2
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# Remove all volumes dependent on external origin
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lvs -a -o+origin_size,seg_size,segtype $vg
lvremove -f $vg /extorg2
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# Only pool is left
check vg_field $vg lv_count 1
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lvremove -ff $vg
# Test conversion to the pool and thin external at the same time (rhbz #1003461)
lvcreate -l50 -n pool $vg
lvcreate -l100 -n thin $vg
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lvconvert --yes --thin --thinpool $vg /pool $vg /thin --originname thin-origin
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check lv_field $vg /thin segtype thin
check lv_field $vg /thin-origin segtype linear
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vgremove -ff $vg