mirror of
git://sourceware.org/git/lvm2.git
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236 lines
7.7 KiB
Bash
236 lines
7.7 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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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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aux have_writecache 1 0 0 || skip
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aux prepare_devs 4 64
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vgcreate $SHARED $vg "$dev1" "$dev2"
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## cache
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# use existing cachevol
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lvcreate -n $lv1 -l8 -an $vg "$dev1"
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lvcreate --type cache -n $lv2 -L40M --cachevol $lv1 -y $vg "$dev2"
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check lv_field $vg/$lv2 segtype cache
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check lv_field $vg/${lv1}_cvol segtype linear -a
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lvremove -y $vg/$lv2
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# use entire cachedevice for cachevol
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lvcreate --type cache -n $lv2 -L40M --cachedevice "$dev1" -y $vg "$dev2"
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check lv_field $vg/$lv2 segtype cache
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check lv_field $vg/${lv2}_cache_cvol segtype linear -a
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lvremove -y $vg/$lv2
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# use part of cachedevice for cachevol
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lvcreate --type cache -n $lv2 -L20M --cachedevice "$dev1" --cachesize 16M -y $vg "$dev2"
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check lv_field $vg/$lv2 segtype cache
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check lv_field $vg/${lv2}_cache_cvol segtype linear -a
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lvcreate --type cache -n $lv3 -L20M --cachedevice "$dev1" --cachesize 16M -y $vg "$dev2"
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check lv_field $vg/$lv3 segtype cache
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check lv_field $vg/${lv3}_cache_cvol segtype linear -a
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lvremove -y $vg/$lv2
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lvremove -y $vg/$lv3
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## writecache
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# use existing cachevol
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lvcreate -n $lv1 -l8 -an $vg "$dev1"
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lvcreate --type writecache -n $lv2 -L40M --cachevol $lv1 -y $vg "$dev2"
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check lv_field $vg/$lv2 segtype writecache
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check lv_field $vg/${lv1}_cvol segtype linear -a
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lvremove -y $vg/$lv2
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# use entire cachedevice for cachevol
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lvcreate --type writecache -n $lv2 -L40M --cachedevice "$dev1" -y $vg "$dev2"
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check lv_field $vg/$lv2 segtype writecache
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check lv_field $vg/${lv2}_cache_cvol segtype linear -a
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lvremove -y $vg/$lv2
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# use part of cachedevice for cachevol
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lvcreate --type writecache -n $lv2 -L20M --cachedevice "$dev1" --cachesize 16M -y $vg "$dev2"
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check lv_field $vg/$lv2 segtype writecache
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check lv_field $vg/${lv2}_cache_cvol segtype linear -a
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lvcreate --type writecache -n $lv3 -L20M --cachedevice "$dev1" --cachesize 16M -y $vg "$dev2"
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check lv_field $vg/$lv3 segtype writecache
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check lv_field $vg/${lv3}_cache_cvol segtype linear -a
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lvremove -y $vg/$lv2
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lvremove -y $vg/$lv3
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## multiple cachedevs
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vgextend $vg "$dev3" "$dev4"
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lvcreate --type writecache -n $lv2 -L100M --cachedevice "$dev1" --cachedevice "$dev3" -y $vg "$dev2" "$dev4"
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check lv_field $vg/${lv2}_cache_cvol lv_size "120.00m"
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lvremove -y $vg/$lv2
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lvcreate --type writecache -n $lv2 -L100M --cachedevice "$dev1" --cachedevice "$dev3" --cachesize 80M -y $vg "$dev2" "$dev4"
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check lv_field $vg/${lv2}_cache_cvol lv_size "80.00m"
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lvremove -y $vg/$lv2
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pvchange --addtag slow "$dev2"
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pvchange --addtag slow "$dev4"
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pvchange --addtag fast "$dev1"
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pvchange --addtag fast "$dev3"
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lvcreate --type writecache -n $lv2 -L100M --cachedevice @fast --cachesize 80M -y $vg @slow
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check lv_field $vg/${lv2}_cache_cvol lv_size "80.00m"
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lvremove -y $vg/$lv2
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lvcreate --type cache -n $lv2 -L100M --cachedevice @fast --cachesize 80M -y $vg @slow
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check lv_field $vg/${lv2}_cache_cvol lv_size "80.00m"
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lvremove -y $vg/$lv2
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## error cases
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# cachevol doesn't exist
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not lvcreate --type cache -n $lv2 -l8 --cachevol asdf -y $vg "$dev2"
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not lvs $vg/$lv1
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not lvs $vg/$lv2
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# cachedevice doesn't exist
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not lvcreate --type cache -n $lv2 -l8 --cachedevice asdf -y $vg "$dev2"
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not lvs $vg/$lv1
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not lvs $vg/$lv2
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# cachevol doesn't exist
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not lvcreate --type writecache -n $lv2 -l8 --cachevol asdf -y $vg "$dev2"
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not lvs $vg/$lv1
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not lvs $vg/$lv2
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# cachedevice doesn't exist
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not lvcreate --type writecache -n $lv2 -l8 --cachedevice asdf -y $vg "$dev2"
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not lvs $vg/$lv1
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not lvs $vg/$lv2
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# when cachedevice is already being used, cachesize is required to use a part of it
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lvcreate -n asdf -l1 $vg "$dev1"
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not lvcreate --type writecache -n $lv2 -l8 --cachedevice "$dev1" -y $vg "$dev2"
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not lvcreate --type writecache -n $lv2 -l8 --cachedevice "$dev1" --cachedevice "$dev3" -y $vg "$dev2"
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not lvs $vg/$lv1
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not lvs $vg/$lv2
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lvcreate --type writecache -n $lv2 -l8 --cachedevice "$dev1" --cachesize 8M -y $vg "$dev2"
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lvs $vg/$lv2
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check lv_field $vg/${lv2}_cache_cvol lv_size "8.00m"
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lvremove -y $vg/$lv2
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vgremove -ff $vg
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# lvconvert single step cachevol creation and attachment
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# . cache and writecache
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# . one or two cachedevices
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# . with or without --cachesize
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# . using tags for devices
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vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3" "$dev4"
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lvcreate -n $lv1 -l8 -an $vg "$dev1"
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lvconvert -y --type cache --cachedevice "$dev2" $vg/$lv1
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check lv_field $vg/$lv1 segtype cache
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check lv_field $vg/${lv1}_cache_cvol segtype linear -a
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check lv_field $vg/${lv1}_cache_cvol lv_size "60.00m"
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lvs -o chunksize $vg/$lv1 |tee out
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grep 64.00k out
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lvchange -ay $vg/$lv1
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lvchange -an $vg/$lv1
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lvremove $vg/$lv1
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lvcreate -n $lv1 -l8 -an $vg "$dev1"
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lvconvert -y --type cache --cachedevice "$dev2" --chunksize 128k $vg/$lv1
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check lv_field $vg/$lv1 segtype cache
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check lv_field $vg/${lv1}_cache_cvol segtype linear -a
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check lv_field $vg/${lv1}_cache_cvol lv_size "60.00m"
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lvs -o chunksize $vg/$lv1 |tee out
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grep 128.00k out
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lvchange -ay $vg/$lv1
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lvchange -an $vg/$lv1
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lvremove $vg/$lv1
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lvcreate -n $lv1 -l8 -an $vg "$dev1"
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lvconvert -y --type cache --cachedevice "$dev2" --cachedevice "$dev3" $vg/$lv1
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check lv_field $vg/$lv1 segtype cache
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check lv_field $vg/${lv1}_cache_cvol lv_size "120.00m"
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lvchange -ay $vg/$lv1
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lvchange -an $vg/$lv1
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lvremove $vg/$lv1
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lvcreate -n $lv1 -l8 -an $vg "$dev1"
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lvconvert -y --type cache --cachedevice "$dev2" --cachedevice "$dev3" --cachesize 8M $vg/$lv1
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check lv_field $vg/$lv1 segtype cache
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check lv_field $vg/${lv1}_cache_cvol lv_size "8.00m"
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lvchange -ay $vg/$lv1
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lvchange -an $vg/$lv1
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lvremove $vg/$lv1
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lvcreate -n $lv1 -l8 -an $vg "$dev1"
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lvconvert -y --type writecache --cachedevice "$dev2" $vg/$lv1
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check lv_field $vg/$lv1 segtype writecache
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check lv_field $vg/${lv1}_cache_cvol lv_size "60.00m"
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lvchange -ay $vg/$lv1
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lvchange -an $vg/$lv1
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lvremove $vg/$lv1
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lvcreate -n $lv1 -l8 -an $vg "$dev1"
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lvconvert -y --type writecache --cachedevice "$dev2" --cachedevice "$dev3" $vg/$lv1
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check lv_field $vg/$lv1 segtype writecache
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check lv_field $vg/${lv1}_cache_cvol lv_size "120.00m"
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lvchange -ay $vg/$lv1
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lvchange -an $vg/$lv1
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lvremove $vg/$lv1
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lvcreate -n $lv1 -l8 -an $vg "$dev1"
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lvconvert -y --type writecache --cachedevice "$dev2" --cachedevice "$dev3" --cachesize 8M $vg/$lv1
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check lv_field $vg/$lv1 segtype writecache
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check lv_field $vg/${lv1}_cache_cvol lv_size "8.00m"
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lvchange -ay $vg/$lv1
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lvchange -an $vg/$lv1
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lvremove $vg/$lv1
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pvchange --addtag slow "$dev1"
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pvchange --addtag fast "$dev2"
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pvchange --addtag fast "$dev3"
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lvcreate -n $lv1 -l8 -an $vg @slow
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lvconvert -y --type cache --cachedevice @fast --cachesize 8M $vg/$lv1
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check lv_field $vg/$lv1 segtype cache
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check lv_field $vg/${lv1}_cache_cvol lv_size "8.00m"
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lvchange -ay $vg/$lv1
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lvchange -an $vg/$lv1
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lvremove $vg/$lv1
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lvcreate -n $lv1 -l8 -an $vg @slow
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lvconvert -y --type writecache --cachedevice @fast --cachesize 8M $vg/$lv1
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check lv_field $vg/$lv1 segtype writecache
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check lv_field $vg/${lv1}_cache_cvol lv_size "8.00m"
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lvchange -ay $vg/$lv1
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lvchange -an $vg/$lv1
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lvremove $vg/$lv1
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# if the cache name is used generate a new name
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lvcreate -n $lv1 -l8 -an $vg @slow
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lvcreate -n ${lv1}_cache -l1 -an $vg @slow
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lvconvert -y --type writecache --cachedevice @fast --cachesize 8M $vg/$lv1
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check lv_field $vg/$lv1 segtype writecache
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check lv_field $vg/${lv1}_cache0_cvol lv_size "8.00m"
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lvchange -ay $vg/$lv1
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lvchange -an $vg/$lv1
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lvremove $vg/$lv1
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vgremove -ff $vg
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