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git://sourceware.org/git/lvm2.git
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169 lines
5.3 KiB
Bash
169 lines
5.3 KiB
Bash
#!/bin/sh
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 --cache | -H
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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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#######################
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# Cache_Pool creation #
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#######################
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# FIXME: Unsupported yet creation of cache pool and cached volume at once
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# needs some policy to determine cache pool size
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invalid lvcreate -H -l 1 $vg
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invalid lvcreate --cache -l 1 $vg
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invalid lvcreate --type cache -l 1 $vg
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# Unlike in thin pool case - cache pool and cached 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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# FIXME: introduce --poolsize to make this command possible to pass
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fail lvcreate -l 1 -H --cachepool $vg/pool3
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fail lvcreate -l 1 -H --cachepool pool4 $vg
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fail lvcreate -l 1 --type cache --cachepool $vg/pool5
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fail lvcreate -l 1 --type cache --cachepool pool6 $vg
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# --cachpool bring implicit --cache
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fail lvcreate -l 1 --cachepool pool7 $vg
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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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# If the cache pool volume doesn't yet exist -> cache pool creation
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lvcreate -l 1 -H $vg/pool1
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lvcreate -l 1 --type cache $vg/pool2
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# With cache-pool we are clear what has to be created
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lvcreate -l 1 --type cache-pool $vg/pool3
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lvcreate -l 1 --type cache-pool --cachepool $vg/pool4
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lvcreate -l 1 --type cache-pool --cachepool pool5 $vg
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lvcreate -l 1 --type cache-pool --name pool6 $vg
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lvcreate -l 1 --type cache-pool --name $vg/pool7
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check lv_field $vg/pool1 segtype "cache-pool"
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check lv_field $vg/pool2 segtype "cache-pool"
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check lv_field $vg/pool3 segtype "cache-pool"
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check lv_field $vg/pool4 segtype "cache-pool"
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check lv_field $vg/pool5 segtype "cache-pool"
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check lv_field $vg/pool6 segtype "cache-pool"
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check lv_field $vg/pool7 segtype "cache-pool"
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lvremove -f $vg
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# Validate ambiguos 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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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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# Bug 1110026 & Bug 1095843
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# Create RAID1 origin, then cache pool and cache
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lvcreate -aey -l 2 --type raid1 -m1 -n $lv2 $vg
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lvcreate --cache -l 1 $vg/$lv2
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check lv_exists $vg/${lv2}_corig_rimage_0 # ensure images are properly renamed
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dmsetup table ${vg}-$lv2 | 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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# Test things that should fail
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##############################
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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 "is bigger" 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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# TODO: creating a cache on top of active RAID appears to be broken
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lvremove -f $vg
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lvcreate -n corigin -m 1 --type raid1 -l 10 $vg
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lvcreate -n cpool --type cache $vg/corigin -l 10
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should check active $vg corigin_corig
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dmsetup table | grep ^$PREFIX | should grep corigin_corig
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lvchange --refresh $vg
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dmsetup table | grep ^$PREFIX | grep corigin_corig
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vgremove -ff $vg
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