mirror of
git://sourceware.org/git/lvm2.git
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274 lines
6.0 KiB
Bash
274 lines
6.0 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 2018 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 single lv cache options
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SKIP_WITH_LVMPOLLD=1
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. lib/inittest
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aux have_cache 1 10 0 || skip
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which mkfs.xfs || skip
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mount_dir="mnt"
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mkdir -p "$mount_dir"
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# generate random data
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dd if=/dev/urandom of=pattern1 bs=512K count=1
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aux prepare_devs 5 64
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vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3" "$dev4" "$dev5"
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lvcreate -n $lv1 -l 8 -an $vg "$dev1"
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lvcreate -n $lv2 -l 4 -an $vg "$dev2"
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lvcreate -n $lv3 -l 4 -an $vg "$dev3"
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lvcreate -n $lv4 -l 4 -an $vg "$dev4"
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lvcreate -n $lv5 -l 8 -an $vg "$dev5"
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mkfs_mount_umount()
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{
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lvt=$1
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lvchange -ay $vg/$lvt
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mkfs.xfs -f -s size=4096 "$DM_DEV_DIR/$vg/$lvt"
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mount "$DM_DEV_DIR/$vg/$lvt" "$mount_dir"
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cp pattern1 "$mount_dir/pattern1"
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dd if=/dev/zero of="$mount_dir/zeros2M" bs=1M count=2 conv=fdatasync
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umount "$mount_dir"
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lvchange -an $vg/$lvt
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}
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mount_umount()
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{
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lvt=$1
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lvchange -ay $vg/$lvt
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mount "$DM_DEV_DIR/$vg/$lvt" "$mount_dir"
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diff pattern1 "$mount_dir/pattern1"
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dd if="$mount_dir/zeros2M" of=/dev/null bs=1M count=2
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umount "$mount_dir"
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lvchange -an $vg/$lvt
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}
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#
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# Test --cachemetadataformat
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#
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# 1 shouldn't be used any longer
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not lvconvert --cachemetadataformat 1 -y --type cache --cachevol $lv2 $vg/$lv1
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# 3 doesn't exist
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not lvconvert --cachemetadataformat 3 -y --type cache --cachevol $lv2 $vg/$lv1
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# 2 is used by default
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lvconvert -y --type cache --cachevol $lv2 $vg/$lv1
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check lv_field $vg/$lv1 cachemetadataformat "2"
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lvconvert --splitcache $vg/$lv1
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check lv_field $vg/$lv1 segtype linear
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check lv_field $vg/$lv2 segtype linear
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# 2 can be set explicitly
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lvconvert --cachemetadataformat 2 -y --type cache --cachevol $lv2 $vg/$lv1
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check lv_field $vg/$lv1 cachemetadataformat "2"
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lvconvert --splitcache $vg/$lv1
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# "auto" means 2
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lvconvert --cachemetadataformat auto -y --type cache --cachevol $lv2 $vg/$lv1
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check lv_field $vg/$lv1 cachemetadataformat "2"
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mkfs_mount_umount $lv1
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lvconvert --splitcache $vg/$lv1
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check lv_field $vg/$lv1 segtype linear
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check lv_field $vg/$lv2 segtype linear
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mount_umount $lv1
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#
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# Test --poolmetadatasize
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#
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lvconvert -y --type cache --cachevol $lv2 --poolmetadatasize 4m $vg/$lv1
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check lv_field $vg/$lv1 lv_metadata_size "4.00m"
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mkfs_mount_umount $lv1
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lvconvert --splitcache $vg/$lv1
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check lv_field $vg/$lv1 segtype linear
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check lv_field $vg/$lv2 segtype linear
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mount_umount $lv1
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#
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# Test --chunksize
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#
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lvconvert -y --type cache --cachevol $lv2 --chunksize 32k $vg/$lv1
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check lv_field $vg/$lv1 chunksize "32.00k"
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mkfs_mount_umount $lv1
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lvconvert --splitcache $vg/$lv1
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check lv_field $vg/$lv1 segtype linear
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check lv_field $vg/$lv2 segtype linear
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mount_umount $lv1
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#
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# Test --cachemode
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#
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lvconvert -y --type cache --cachevol $lv2 --cachemode writethrough $vg/$lv1
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check lv_field $vg/$lv1 cachemode "writethrough"
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mkfs_mount_umount $lv1
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lvconvert --splitcache $vg/$lv1
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check lv_field $vg/$lv1 segtype linear
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check lv_field $vg/$lv2 segtype linear
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mount_umount $lv1
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# FIXME: kernel errors for other cache modes
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#lvconvert -y --type cache --cachevol $lv2 --cachemode passthrough $vg/$lv1
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#check lv_field $vg/$lv1 cachemode "passthrough"
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#mkfs_mount_umount $lv1
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#lvconvert --splitcache $vg/$lv1
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#check lv_field $vg/$lv1 segtype linear
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#check lv_field $vg/$lv2 segtype linear
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#mount_umount $lv1
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lvconvert -y --type cache --cachevol $lv2 --cachemode writeback $vg/$lv1
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check lv_field $vg/$lv1 cachemode "writeback"
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mkfs_mount_umount $lv1
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lvconvert --splitcache $vg/$lv1
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check lv_field $vg/$lv1 segtype linear
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check lv_field $vg/$lv2 segtype linear
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mount_umount $lv1
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#
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# Test --cachepolicy
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#
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lvconvert -y --type cache --cachevol $lv2 --cachepolicy smq $vg/$lv1
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check lv_field $vg/$lv1 cachepolicy "smq"
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mkfs_mount_umount $lv1
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lvchange --cachepolicy cleaner $vg/$lv1
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lvchange -ay $vg/$lv1
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check lv_field $vg/$lv1 cachepolicy "cleaner"
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lvchange -an $vg/$lv1
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lvconvert --splitcache $vg/$lv1
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check lv_field $vg/$lv1 segtype linear
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check lv_field $vg/$lv2 segtype linear
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mount_umount $lv1
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#
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# Test --cachesettings
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# (only for mq policy, no settings for smq)
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#
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lvconvert -y --type cache --cachevol $lv2 --cachemode writethrough --cachepolicy mq --cachesettings 'migration_threshold = 233 sequential_threshold=13 random_threshold =1' $vg/$lv1
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check lv_field $vg/$lv1 cachemode "writethrough"
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check lv_field $vg/$lv1 cachepolicy "mq"
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lvs -o cachesettings $vg/$lv1 > settings
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grep "migration_threshold=233" settings
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grep "sequential_threshold=13" settings
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grep "random_threshold=1" settings
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mkfs_mount_umount $lv1
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lvconvert --splitcache $vg/$lv1
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check lv_field $vg/$lv1 segtype linear
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check lv_field $vg/$lv2 segtype linear
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mount_umount $lv1
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#
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# Test lvchange of --cachemode, --cachepolicy, --cachesettings
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#
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lvconvert -y --type cache --cachevol $lv2 $vg/$lv1
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lvchange -ay $vg/$lv1
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lvchange -y --cachemode writeback $vg/$lv1
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check lv_field $vg/$lv1 cachemode "writeback"
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lvchange --cachemode writethrough $vg/$lv1
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check lv_field $vg/$lv1 cachemode "writethrough"
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lvchange --cachemode passthrough $vg/$lv1
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check lv_field $vg/$lv1 cachemode "passthrough"
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lvchange -an $vg/$lv1
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lvchange --cachepolicy mq --cachesettings 'migration_threshold=100' $vg/$lv1
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check lv_field $vg/$lv1 cachepolicy "mq"
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check lv_field $vg/$lv1 cachesettings "migration_threshold=100"
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lvconvert --splitcache $vg/$lv1
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#
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# Test --poolmetadata
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#
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# causes a cache-pool type LV to be created
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lvconvert -y --type cache --cachepool $lv3 --poolmetadata $lv4 $vg/$lv5
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lvs -a -o+segtype $vg
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check lv_field $vg/$lv5 segtype cache
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# check lv_field doesn't work for hidden lvs
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lvs -a -o segtype $vg/${lv3}_cpool > segtype
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grep cache-pool segtype
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lvconvert --splitcache $vg/$lv5
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check lv_field $vg/$lv5 segtype linear
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check lv_field $vg/$lv3 segtype cache-pool
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vgremove -ff $vg
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