mirror of
git://sourceware.org/git/lvm2.git
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295 lines
9.6 KiB
Bash
295 lines
9.6 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 2014 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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# Exercise creation of cache and cache pool volumes
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# Full CLI uses --type
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# Shorthand CLI uses -H | --cache
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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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# FIXME: parallel cache metadata allocator is crashing when used value 8000!
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aux prepare_vg 5 80000
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aux lvmconf 'global/cache_disabled_features = [ "policy_smq" ]'
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#######################
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# Cache_Pool creation #
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#######################
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# TODO: Unsupported yet creation of cache pool and cached volume at once
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# TODO: Introduce --pooldatasize
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# TODO: Policy to determine cache pool size and cache pool name
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invalid lvcreate -H -l 1 $vg
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invalid lvcreate -H -l 1 --name $lv1 $vg
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invalid lvcreate -l 1 --cache $vg
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# Only cached volume could be created
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invalid lvcreate -l 1 --type cache $vg
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# Striping is not supported with cache-pool creation
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invalid lvcreate -l 1 -i 2 --type cache-pool $vg
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# Fails as it needs to see VG content
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fail lvcreate -l 1 --type cache --cachepool $vg/pool1
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fail lvcreate -l 1 --type cache --cachepool pool2 $vg
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fail lvcreate -l 1 --cache $vg/pool3
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fail lvcreate -l 1 -H --cachepool pool4 $vg
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fail lvcreate -l 1 -H --name $lv2 $vg/pool5
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fail lvcreate -l 1 -H --name $lv3 --cachepool $vg/pool6
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fail lvcreate -l 1 -H --name $vg/$lv4 --cachepool pool7
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# Unlike in thin pool case - cache pool and cache volume both need size arg.
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# So we require cache pool to exist and need to fail when it's missing.
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#
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# --cachepool gives implicit --cache
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fail lvcreate -l 1 --cachepool pool8 $vg
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# no size specified
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invalid lvcreate --cachepool pool $vg 2>&1 | tee err
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#grep "specify either size or extents" err
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grep "No command with matching syntax recognised" err
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# Check nothing has been created yet
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check vg_field $vg lv_count 0
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# Checks that argument passed with --cachepool is really a cache-pool
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lvcreate -an -l 1 -n $lv1 $vg
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# Hint: nice way to 'tee' only stderr.log so we can check it's log_error()
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fail lvcreate -L10 --cachepool $vg/$lv1 2> >(tee -a stderr.log >&2)
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grep "not a cache pool" stderr.log
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# With --type cache-pool we are clear which segtype has to be created
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lvcreate -l 1 --type cache-pool $vg/pool1
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check lv_field $vg/pool1 segtype "cache-pool"
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lvcreate -l 1 --type cache-pool --name $vg/pool2 $vg
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check lv_field $vg/pool2 segtype "cache-pool"
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lvcreate -l 1 --type cache-pool --cachepool $vg/pool3 $vg
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check lv_field $vg/pool3 segtype "cache-pool"
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lvcreate -l 1 --type cache-pool --cachepool $vg/pool4
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check lv_field $vg/pool4 segtype "cache-pool"
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lvcreate -l 1 --type cache-pool --cachepool pool5 $vg
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check lv_field $vg/pool5 segtype "cache-pool"
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lvcreate -l 1 --type cache-pool --name pool6 $vg
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check lv_field $vg/pool6 segtype "cache-pool"
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lvcreate -l 1 --type cache-pool --name $vg/pool7
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check lv_field $vg/pool7 segtype "cache-pool"
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lvremove -f $vg
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# Check the percentage values are reported for both cache and cache-pool
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lvcreate --type cache-pool -L1 $vg/cpool
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lvcreate -H -L4 -n $lv1 $vg/cpool
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check lv_field $vg/$lv1 origin "[${lv1}_corig]"
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check lv_field $vg/$lv1 copy_percent "0.00"
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# there should be something present (value differs per policy version)
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test -n "$(get lv_field $vg/$lv1 data_percent)"
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test -n "$(get lv_field $vg/$lv1 metadata_percent)"
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check lv_field $vg/cpool copy_percent "0.00"
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test -n "$(get lv_field $vg/cpool data_percent)"
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test -n "$(get lv_field $vg/cpool metadata_percent)"
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# check we also display percent value for segmented output (-o+devices)
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lvs -a -o+devices $vg/cpool | tee out
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grep "0.00" out
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lvremove -f $vg
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# Validate ambiguous pool name is detected
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invalid lvcreate -l 1 --type cache-pool --cachepool pool1 $vg/pool2
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invalid lvcreate -l 1 --type cache-pool --name pool3 --cachepool pool4 $vg
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invalid lvcreate -l 1 --type cache-pool --name pool6 --cachepool pool6 $vg/pool7
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invalid lvcreate -l 1 --type cache-pool --name pool8 $vg/pool9
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# Unsupported with cache & cache pool
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invalid lvcreate --type cache-pool --discards passdown -l1 $vg
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invalid lvcreate -H --discards passdown -l1 $vg
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invalid lvcreate --type cache-pool --virtualsize 1T -l1 $vg
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invalid lvcreate -H --virtualsize 1T -l1 $vg
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check vg_field $vg lv_count 0
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for mode in "" "--cachemode writethrough"
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do
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################
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# Cache creation
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# Creating a cache is a two phase process
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# - first, cache_pool (or origin)
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# - then, the cache LV (lvcreate distinguishes supplied origin vs cache_pool)
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################
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lvcreate --type cache-pool -l 1 -n pool $vg $mode
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# Select automatic name for cached LV
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lvcreate --type cache -l1 $vg/pool
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lvcreate --type cache-pool -l 1 -n pool1 $vg $mode
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lvcreate --cache -l1 -n $lv1 --cachepool $vg/pool1
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dmsetup table ${vg}-$lv1 | grep cache # ensure it is loaded in kernel
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lvcreate --type cache-pool -l 1 -n pool2 $vg $mode
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lvcreate -H -l1 -n $lv2 --cachepool pool2 $vg
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#
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# Now check removals
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#
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# Removal of cached LV removes every related LV
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check lv_field $vg/$lv1 segtype "cache"
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lvremove -f $vg/$lv1
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check lv_not_exists $vg $lv1 pool1 pool1_cdata pool1_cmeta
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# to preserve cachepool use lvconvert --splitcache $vg/$lv1
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# Removal of cache pool leaves origin uncached
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check lv_field $vg/$lv2 segtype "cache"
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lvremove -f $vg/pool2
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check lv_not_exists $vg pool2 pool2_cdata pool2_cmeta
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check lv_field $vg/$lv2 segtype "linear"
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lvremove -f $vg
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done
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# Conversion through lvcreate case
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# Bug 1110026
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# Create origin, then cache pool and cache the origin
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lvcreate -aey -l 2 -n $lv1 $vg
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lvcreate --type cache -l 1 $vg/$lv1
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dmsetup table ${vg}-$lv1 | grep cache # ensure it is loaded in kernel
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lvremove -f $vg
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# Check minimum cache pool metadata size
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lvcreate -l 1 --type cache-pool --poolmetadatasize 1 $vg 2>out
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grep "WARNING: Minimum" out
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# FIXME: This test is failing in allocator with smaller VG sizes
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lvcreate -l 1 --type cache-pool --poolmetadatasize 17G $vg 2>out
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grep "WARNING: Maximum" out
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lvremove -f $vg
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########################################
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# Cache conversion and r/w permissions #
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########################################
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# writeable origin and 'default' => writable cache + origin
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lvcreate -an -l1 -n $vg/$lv1
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# do not allow stripping for cache-pool
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fail lvcreate -H -i 2 -l1 -n cpool1 $vg/$lv1
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lvcreate -H -l1 -n cpool1 $vg/$lv1
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check lv_attr_bit perm $vg/cpool1 "w"
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check lv_attr_bit perm $vg/${lv1}_corig "w"
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check lv_attr_bit perm $vg/$lv1 "w"
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# writeable origin and -pr => conversion is not supported
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lvcreate -an -l1 -n $vg/$lv2
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fail lvcreate -H -l1 -pr -n cpool2 $vg/$lv2
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# read-only origin and -pr => read-only cache + origin
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lvcreate -an -pr -l1 -n $vg/$lv3
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lvcreate -an -H -l1 -pr -n cpool3 $vg/$lv3
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check lv_attr_bit perm $vg/cpool3 "w"
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check lv_attr_bit perm $vg/${lv3}_corig "r"
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check lv_attr_bit perm $vg/$lv3 "r"
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check inactive $vg $lv3
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check inactive $vg cpool3
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# read-only origin and 'default' => read-only cache + origin
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lvcreate -an -pr -l1 -n $vg/$lv4
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lvcreate -H -l1 -n cpool4 $vg/$lv4
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check lv_attr_bit perm $vg/cpool4 "w"
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check lv_attr_bit perm $vg/${lv4}_corig "r"
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check lv_attr_bit perm $vg/$lv4 "r"
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# read-only origin and -prw => conversion unsupported
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lvcreate -an -pr -l1 -n $vg/$lv5
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fail lvcreate -H -l1 -prw -n cpool5 $vg/$lv5
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# cached volume respects permissions
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lvcreate --type cache-pool -l1 -n $vg/cpool
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lvcreate -H -l1 -pr -n $lv6 $vg/cpool
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check lv_attr_bit perm $vg/cpool "w"
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check lv_attr_bit perm $vg/$lv6 "r"
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lvremove -f $vg
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########################################
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# Validate args are properly preserved #
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########################################
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lvcreate --type cache-pool -L10 --chunksize 256 --cachemode writeback $vg/cpool1
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check lv_field $vg/cpool1 chunksize "256.00k"
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check lv_field $vg/cpool1 cachemode "writeback"
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# check striping is supported when creating a cached LV
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lvcreate -H -L10 -i 2 -n $lv1 $vg/cpool1
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check lv_field $vg/${lv1}_corig stripes "2" -a
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check lv_field $vg/$lv1 chunksize "256.00k"
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check lv_field $vg/$lv1 cachemode "writeback"
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lvcreate --type cache-pool -L10 --chunksize 256 --cachemode writethrough $vg/cpool2
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lvcreate -H -L10 --chunksize 512 --cachemode writeback -n $lv2 $vg/cpool2
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check lv_field $vg/$lv2 chunksize "512.00k"
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check lv_field $vg/$lv2 cachemode "writeback"
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# Chunk bigger then pool size
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fail lvcreate --type cache-pool -l1 --chunksize 1G $vg/cpool3
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lvcreate --type cache-pool -L10 $vg/cpool4
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fail lvcreate -H -L10 --chunksize 16M $vg/cpool4
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lvdisplay --maps $vg
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lvremove -f $vg
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lvcreate --type cache-pool -L10 $vg/cpool
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lvcreate --type cache -l 1 --cachepool $vg/cpool -n corigin $vg --cachesettings migration_threshold=233
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dmsetup status | grep $vg
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dmsetup status | grep $vg-corigin | grep 'migration_threshold 233'
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lvchange -an $vg
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lvchange -ay $vg
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dmsetup status | grep $vg-corigin | grep 'migration_threshold 233'
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lvremove -f $vg
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lvcreate --type cache-pool -L10 --cachepolicy mq --cachesettings migration_threshold=233 $vg/cpool
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lvcreate --type cache -l 1 --cachepool $vg/cpool -n corigin $vg
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dmsetup status | grep $vg
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dmsetup status | grep $vg-corigin | grep 'migration_threshold 233'
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lvremove -f $vg
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##############################
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# Test things that should fail
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##############################
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# Creation of read-only cache pool is not supported
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invalid lvcreate -pr --type cache-pool -l1 -n $vg/cpool
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# Atempt to use bigger chunk size then cache pool data size
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fail lvcreate -l 1 --type cache-pool --chunksize 16M $vg 2>out
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grep "chunk size" out
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# Option testing
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# --chunksize
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# --cachepolicy
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# --poolmetadatasize
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# --poolmetadataspare
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vgremove -ff $vg
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