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git://sourceware.org/git/lvm2.git
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5a96ca4a7f
Pools now preserve meta LV UUID with swapmetadata operation to make the usage of lvmlockd easier. Update test to reflect this change.
203 lines
6.9 KiB
Bash
203 lines
6.9 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 2014-2016 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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# Exercise conversion of cache and cache pool
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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 5 80
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lvcreate --type cache-pool -an -v -L 2 -n cpool $vg
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lvcreate -H -L 4 -n corigin --cachepool $vg/cpool
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fail lvcreate -s -L2 $vg/cpool
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fail lvcreate -s -L2 $vg/cpool_cdata
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fail lvcreate -s -L2 $vg/cpool_cmeta
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###########################
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# Check regular converion #
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###########################
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# lvcreate origin, lvcreate cache-pool, and lvconvert to cache
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lvcreate -an -Zn -L 2 -n $lv1 $vg
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lvcreate -L 8 -n $lv2 $vg
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lvcreate -an -Zn -L 8 -n $lv3 $vg
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lvcreate -an -Zn -L 8 -n $lv4 $vg
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lvcreate -an -Zn -L 16 -n $lv5 $vg
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# check validation of cachemode arg works
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invalid lvconvert --yes --type cache-pool --cachemode writethroughX --cachepool $vg/$lv1
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# by default no cache settings are attached to converted cache-pool
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lvconvert --yes --type cache-pool --chunksize 256 $vg/$lv1
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check inactive $vg ${lv1}_cdata
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check lv_field $vg/$lv1 cache_mode ""
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check lv_field $vg/$lv1 cache_policy ""
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check lv_field $vg/$lv1 cache_settings ""
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check lv_field $vg/$lv1 chunk_size "256.00k"
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# but allow to set them when specified explicitely on command line
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lvconvert --yes --type cache-pool --cachemode writeback --cachepolicy mq \
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--cachesettings sequential_threshold=1234 --cachesettings random_threshold=56 \
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--cachepool $vg/$lv2
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check inactive $vg ${lv2}_cdata
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check lv_field $vg/$lv2 cache_mode "writeback"
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check lv_field $vg/$lv2 cache_policy "mq"
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check lv_field $vg/$lv2 cache_settings "random_threshold=56,sequential_threshold=1234"
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# Check swap of cache pool metadata
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lvconvert --yes --type cache-pool --poolmetadata $lv4 $vg/$lv3
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UUID=$(get lv_field $vg/${lv3}_cmeta uuid)
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lvconvert --yes --cachepool $vg/$lv3 --poolmetadata $lv5
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check lv_field $vg/${lv3}_cmeta uuid "$UUID"
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# Check swap of cache pool metadata with --swapmetadata
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# (should swap back to lv5)
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lvconvert --yes --swapmetadata $vg/$lv3 --poolmetadata $lv5
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check lv_field $vg/${lv3}_cmeta uuid "$UUID"
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#fail lvconvert --cachepool $vg/$lv1 --poolmetadata $vg/$lv2
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#lvconvert --yes --type cache-pool --poolmetadata $vg/$lv2 $vg/$lv1
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#lvconvert --yes --poolmetadata $vg/$lv2 --cachepool $vg/$lv1
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lvremove -ff $vg
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lvcreate -L 2 -n $lv1 $vg
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lvcreate --type cache-pool -l 1 -n ${lv1}_cachepool $vg
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lvconvert --cache --cachepool $vg/${lv1}_cachepool --cachemode writeback -Zy $vg/$lv1
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check lv_field $vg/$lv1 cache_mode "writeback"
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dmsetup table ${vg}-$lv1 | grep cache # ensure it is loaded in kernel
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#lvconvert --cachepool $vg/${lv1}_cachepool $vg/$lv1
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#lvconvert --cachepool $vg/${lv1}_cachepool --poolmetadatasize 20 "$dev3"
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fail lvconvert --type cache --cachepool $vg/${lv1}_cachepool -Zy $vg/$lv1
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# Test --splitcache leaves both cache origin and cache pool
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lvconvert --splitcache $vg/$lv1
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check lv_exists $vg $lv1 ${lv1}_cachepool
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lvremove -f $vg
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lvcreate -L 2 -n $lv1 $vg
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lvcreate --type cache-pool -l 1 -n ${lv1}_cachepool "$DM_DEV_DIR/$vg"
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lvconvert --cache --cachepool "$DM_DEV_DIR/$vg/${lv1}_cachepool" --cachemode writeback -Zy "$DM_DEV_DIR/$vg/$lv1"
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lvremove -f $vg
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lvcreate -n corigin -l 10 $vg
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lvcreate -n pool -l 10 $vg
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lvs -a -o +devices
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fail lvconvert --type cache --cachepool $vg/pool $vg/corigin
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lvconvert --yes --cache --cachepool $vg/pool $vg/corigin
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lvconvert --splitcache $vg/corigin
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lvremove -ff $vg
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# Check we also support conversion that uses 'cleaner' cache policy
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lvcreate -n corigin -l 10 $vg
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lvcreate -n pool -l 10 $vg
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lvconvert --yes --cache --cachepool $vg/pool $vg/corigin --cachepolicy cleaner
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lvremove -ff $vg
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#######################
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# Invalid conversions #
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#######################
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lvcreate -an -Zn -L 2 -n $lv1 $vg
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lvcreate -an -Zn -L 8 -n $lv2 $vg
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lvcreate -an -Zn -L 8 -n $lv3 $vg
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lvcreate -an -Zn -L 8 -n $lv4 $vg
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# Undefined cachepool
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invalid lvconvert --type cache --poolmetadata $vg/$lv2 $vg/$lv1
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# Cannot mix with thins
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invalid lvconvert --type cache --poolmetadata $vg/$lv2 --thinpool $vg/$lv1
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invalid lvconvert --type cache --thin --poolmetadata $vg/$lv2 $vg/$lv1
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# Undefined cached volume
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invalid lvconvert --type cache --cachepool $vg/$lv1
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invalid lvconvert --cache --cachepool $vg/$lv1
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# FIXME: temporarily we return error code 5
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INVALID=not
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# Single vg is required
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$INVALID lvconvert --type cache --cachepool $vg/$lv1 --poolmetadata $vg1/$lv2 $vg/$lv3
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$INVALID lvconvert --type cache --cachepool "$DM_DEV_DIR/$vg/$lv1" --poolmetadata "$DM_DEV_DIR/$vg1/$lv2" $vg/$lv3
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$INVALID lvconvert --type cache --cachepool $vg/$lv1 --poolmetadata $lv2 $vg1/$lv3
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$INVALID lvconvert --type cache --cachepool $vg1/$lv1 --poolmetadata $vg2/$lv2 $vg/$lv3
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$INVALID lvconvert --type cache --cachepool $vg1/$lv1 --poolmetadata $vg2/$lv2 "$DM_DEV_DIR/$vg/$lv3"
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$INVALID lvconvert --type cache-pool --poolmetadata $vg2/$lv2 $vg1/$lv1
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$INVALID lvconvert --cachepool $vg1/$lv1 --poolmetadata $vg2/$lv2
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# Invalid syntax, vg is unknown
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$INVALID lvconvert --yes --cachepool $lv3 --poolmetadata $lv4
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# Invalid chunk size is <32KiB >1GiB
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$INVALID lvconvert --type cache-pool --chunksize 16 --poolmetadata $lv2 $vg/$lv1
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$INVALID lvconvert --type cache-pool --chunksize 2G --poolmetadata $lv2 $vg/$lv1
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# Invalid chunk size is bigger then data size, needs to open VG
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fail lvconvert --yes --type cache-pool --chunksize 16M --poolmetadata $lv2 $vg/$lv1
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lvremove -f $vg
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########################
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# Repair of cache pool #
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########################
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lvcreate --type cache-pool -an -v -L 2 -n cpool $vg
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lvcreate -H -L 4 -n corigin --cachepool $vg/cpool
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# unsupported yet
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fail lvconvert --repair $vg/cpool 2>&1 | tee out
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#grep "Cannot convert internal LV" out
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lvremove -f $vg
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#########################
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# Some testing variants #
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#########################
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for i in error zero
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do
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lvcreate --type "$i" -L50G -n $lv1 $vg
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lvcreate --type "$i" -L10G -n cpool $vg
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lvconvert -y --cachepool $vg/cpool
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lvconvert -y -H --cachepool $vg/cpool $vg/$lv1
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lvremove -f $vg
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done
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##########################
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# Prohibited conversions #
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##########################
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lvcreate --type cache-pool -L10 $vg/$lv1
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lvcreate --cache -L20 $vg/$lv1
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lvcreate -L10 -n $lv2 $vg
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fail lvconvert --yes --type cache $vg/$lv2 --cachepool $vg/$lv1
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fail lvconvert --yes --type cache $vg/$lv1 --cachepool $vg/$lv2
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fail lvconvert --yes --type cache-pool $vg/$lv1
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fail lvconvert --yes --type mirror -m1 $vg/$lv1
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not aux have_raid 1 0 0 || fail lvconvert --yes --type raid1 -m1 $vg/$lv1
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fail lvconvert --yes --type snapshot $vg/$lv1 $vg/$lv2
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fail lvconvert --yes --type snapshot $vg/$lv2 $vg/$lv1
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not aux have_thin 1 0 0 || fail lvconvert --yes -T --thinpool $vg/$lv2 $vg/$lv1
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lvremove -f $vg
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vgremove -f $vg
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