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git://sourceware.org/git/lvm2.git
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111 lines
2.5 KiB
Bash
111 lines
2.5 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 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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# Test conversion cached LV to thin with cached external origin
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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.ext2 || skip
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which fsck || skip
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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 have_cache 1 7 0 || skip
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aux prepare_vg 2 64
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# Test will use thin-pool
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lvcreate -L10 -T $vg/tpool
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lvcreate -aey -L20 -n $lv1 $vg
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mkfs.ext2 "$DM_DEV_DIR/$vg/$lv1"
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mkdir mnt
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mount "$DM_DEV_DIR/$vg/$lv1" mnt
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touch mnt/test
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# Prepared cached LV - first in 'writeback' mode
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lvcreate -H --cachemode writeback -L10 -n cpool $vg/$lv1
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# Can't convert 'writeback' cache
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not lvconvert --thin --thinpool $vg/tpool $vg/$lv1
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# Switch to 'writethrough' - this should be supported
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lvchange --cachemode writethrough $vg/$lv1
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# Check $lv1 remains mounted (so it's not been unmounted by systemd)
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mountpoint "$PWD/mnt"
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lvconvert --thin $vg/$lv1 --originname extorg --thinpool $vg/tpool
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# check cache exist as extorg-real
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check grep_dmsetup table ${vg}-extorg-real "cache"
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# Split cache from external origin (while in-use)
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lvconvert --splitcache $vg/extorg
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# check linear exist as extorg-real
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check grep_dmsetup table ${vg}-extorg-real "linear"
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check lv_field $vg/extorg segtype linear
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# Cache external origin in-use again
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lvconvert -y -H $vg/extorg --cachepool $vg/cpool
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get lv_field $vg/extorg attr | grep "^ori"
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umount mnt
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# Is filesystem still ok ?
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fsck -n "$DM_DEV_DIR/$vg/$lv1"
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lvchange -an $vg
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lvchange -ay $vg
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# Remove thin, external origin remains
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lvremove -f $vg/$lv1
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#lvchange -prw $vg/extorg
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lvconvert --uncache $vg/extorg
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lvremove -f $vg
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#
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# Check some more API variants
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#
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lvcreate -L10 -n pool $vg
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lvcreate -aey -L2 -n $lv1 $vg
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lvcreate -H -L2 $vg/$lv1
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# Converts $vg/pool to thin-pool AND $vg/$lv1 to thin
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lvconvert -y --type thin $vg/$lv1 --originname extorg --thinpool $vg/pool
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check lv_field $vg/$lv1 segtype thin
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check lv_field $vg/pool segtype thin-pool
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check lv_field $vg/extorg segtype cache
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lvconvert --uncache $vg/extorg
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check lv_field $vg/extorg segtype linear
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vgremove -ff $vg
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