mirror of
git://sourceware.org/git/lvm2.git
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200 lines
4.7 KiB
Bash
200 lines
4.7 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 2024 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 conversion to thin external origin stack
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SKIP_WITH_LVMLOCKD=1
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SKIP_WITH_LVMPOLLD=1
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export LVM_TEST_THIN_REPAIR_CMD=${LVM_TEST_THIN_REPAIR_CMD-/bin/false}
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. lib/inittest
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which mkfs.ext4 || skip
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which fsck || skip
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_prepare() {
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lvcreate -L10 -T -V20 -n $lv1 $vg/pool1
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mkfs.ext4 "$DM_DEV_DIR/$vg/$lv1"
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mkdir -p mnt
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mount "$DM_DEV_DIR/$vg/$lv1" mnt
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touch mnt/test1
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sync
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}
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#
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# Main
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#
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aux have_thin 1 5 0 || skip
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aux prepare_vg 2
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_prepare
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# We can build chain of external origins with the same thin-pool
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lvconvert --type thin --thinpool $vg/pool1 --originname $lv2 $vg/$lv1
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lvconvert --type thin --thinpool $vg/pool1 --originname $lv3 $vg/$lv1
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lvconvert --type thin --thinpool $vg/pool1 --originname $lv4 $vg/$lv1
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# External origins remain inactive
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# (only their -real counterparts are in DM table)
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check inactive $vg $lv2
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check inactive $vg $lv3
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check inactive $vg $lv4
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check lv_attr_bit perm $vg/$lv2 "r"
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check lv_attr_bit perm $vg/$lv3 "r"
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check lv_attr_bit perm $vg/$lv4 "r"
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lvchange -ay $vg
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touch mnt/test2
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sync
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umount mnt
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fsck -n "$DM_DEV_DIR/$vg/$lv1"
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fsck -n "$DM_DEV_DIR/$vg/$lv2"
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fsck -n "$DM_DEV_DIR/$vg/$lv3"
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fsck -n "$DM_DEV_DIR/$vg/$lv4"
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# Check the removal works fine
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lvremove -f $vg
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#####################################################
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#
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# Now retry with origins across multiple thin pools
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#
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#####################################################
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_prepare
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# Create several more thin pools
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lvcreate -L10 -T $vg/pool2
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lvcreate -L10 -T $vg/pool3
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lvcreate -L10 -T $vg/pool4
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# thin volume chained into 3 layers, each forming a new external origin
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lvconvert --type thin --thinpool $vg/pool2 --originname $lv2 $vg/$lv1
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lvconvert --type thin --thinpool $vg/pool3 --originname $lv3 $vg/$lv1
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lvconvert --type thin --thinpool $vg/pool4 --originname $lv4 $vg/$lv1
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# ATM we are not protecting against 'self-cycling'
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lvconvert --type thin --thinpool $vg/pool1 --originname $lv5 $vg/$lv1
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umount mnt
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fsck -n "$DM_DEV_DIR/$vg/$lv1"
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check active $vg $lv1
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check inactive $vg $lv2
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check inactive $vg $lv3
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check inactive $vg $lv4
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check inactive $vg $lv5
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dm_table $vg-${lv4}-real | grep thin
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dm_table $vg-${lv5}-real | grep thin
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lvchange -ay $vg/$lv3
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check active $vg $lv3
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fsck -n "$DM_DEV_DIR/$vg/$lv3"
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lvremove -f $vg
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lvcreate -L10 -T $vg/pool1
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lvcreate -an -pr -L1 -n $lv1 $vg
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# Use linear as oring for multiple thins
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lvcreate --type thin --thinpool $vg/pool1 $vg/$lv1 -n $lv2
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lvcreate --type thin --thinpool $vg/pool1 $vg/$lv1 -n $lv3
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lvcreate --type thin --thinpool $vg/pool1 $vg/$lv1 -n $lv4
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# Convert existing $lv1 into external origin 'eorigin'
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lvconvert -T --thinpool $vg/pool1 --originname eorigin $vg/$lv1
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# check $lv1-real was converted into eorigin-real
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not dmsetup info $vg-${lv1}-real &> out
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grep "not exist" out
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dm_table $vg-eorigin-real | grep linear
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check inactive $vg $lv1
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check inactive $vg eorigin
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check active $vg $lv2
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check active $vg $lv3
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check active $vg $lv4
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check lv_field $vg/$lv1 segtype thin
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check lv_attr_bit perm $vg/$lv1 "r"
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check lv_field $vg/eorigin segtype linear
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check lv_attr_bit perm $vg/eorigin "r"
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lvs -ao+uuid,segtype $vg
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lvremove -f $vg
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#####################################################
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#
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# Check some prohibitted conversions
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#
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#####################################################
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lvcreate -L10 -T -V20 -n $lv1 $vg/pool1
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#lvcreate -L10 -T -V20 -n $lv2 $vg/pool2
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# Take thick/old snapshot
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lvcreate -s -L10 -n snap $vg/$lv1
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# Converting old-snapshot into external origin is not supported
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not lvconvert -T --thinpool $vg/pool1 --originname orig $vg/snap
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# Converting thin-pools LVs
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not lvconvert -T --thinpool $vg/pool1 --originname orig $vg/pool2
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not lvconvert -T --thinpool $vg/pool1 --originname orig $vg/pool2_tmeta
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not lvconvert -T --thinpool $vg/pool1 --originname orig $vg/pool2_tdata
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# However we should be able to use 'thick' snapshot origin (which is thin)
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lvconvert -T --thinpool $vg/pool1 --originname orig $vg/$lv1
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check active $vg $lv1
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check active $vg orig
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check active $vg snap
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check lv_field $vg/$lv1 segtype thin
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check lv_field $vg/orig segtype thin
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check lv_field $vg/snap segtype linear
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lvchange -an $vg/orig
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lvconvert --type thin --thinpool $vg/pool1 --originname orig2 $vg/orig
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check active $vg $lv1
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# external origin and snapshot stay inactive
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check inactive $vg orig2
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check inactive $vg orig
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check inactive $vg snap
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dm_table $vg-orig2-real | grep thin
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