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64 lines
1.7 KiB
Bash
64 lines
1.7 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 2016 Red Hat, Inc. All rights reserved.
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#
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# This copyrighted material is made available to anyone wishing to use,
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# modify, copy, or redistribute it subject to the terms and conditions
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# of the GNU General Public License v.2.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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# Test various supported conversion of snapshot of cached volume
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SKIP_WITH_LVMLOCKD=1
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SKIP_WITH_LVMPOLLD=1
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. lib/inittest
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aux have_cache 1 3 0 || skip
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aux prepare_vg 1
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# Prepare cached LV
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lvcreate -aey -L1 -n $lv1 $vg
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lvcreate -H -L2 -n cpool $vg/$lv1
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# Prepare snapshot 'cow' LV
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lvcreate -L3 -n cow $vg
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# Can't use 'cached' cow volume
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not lvconvert -s cow $vg/$lv1
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# Use cached LV with 'striped' cow volume
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lvconvert -y -s $vg/$lv1 cow
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check lv_field $vg/cow segtype linear
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check lv_field $vg/$lv1 segtype cache
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# Drop cache while being in-use origin
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lvconvert --splitcache $vg/$lv1
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check lv_field $vg/$lv1 segtype linear
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# Cache existing origin
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lvconvert -y --cache $vg/$lv1 --cachepool $vg/cpool
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check lv_field $vg/$lv1 segtype cache
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# Cannot split from 'origin' (being cached LV)
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not lvconvert -y --splitsnapshot $vg/$lv1
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lvchange --cachemode writeback $vg/$lv1
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check lv_field $vg/$lv1 cache_mode "writeback"
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check grep_dmsetup status ${vg}-${lv1}-real "writeback"
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lvchange --cachemode writethrough $vg/$lv1
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check lv_field $vg/$lv1 cache_mode "writethrough"
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check grep_dmsetup status ${vg}-${lv1}-real "writethrough"
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# Split 'cow' from cached origin
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lvconvert -y --splitsnapshot $vg/cow
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get lv_field $vg/cow attr | grep "^-wi"
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vgremove -f $vg
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