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git://sourceware.org/git/lvm2.git
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139 lines
3.3 KiB
Bash
139 lines
3.3 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 2013 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 merge of thin snapshot
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SKIP_WITH_LVMLOCKD=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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MKFS=mkfs.ext2
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which $MKFS || 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 0 0 || skip
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aux prepare_vg 2
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lvcreate -T -L8M $vg/pool -V10M -n $lv1
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lvcreate -s -K -n snap $vg/$lv1
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# check exclusive lock is preserved after merge
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check lv_field "$vg/$lv1" lv_active_exclusively "active exclusively"
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lvconvert --merge $vg/snap
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check lv_field "$vg/$lv1" lv_active_exclusively "active exclusively"
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lvremove -ff $vg
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lvcreate -T -L8M $vg/pool -V10M -n $lv1
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lvchange --addtag tagL $vg/$lv1
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mkdir mnt
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$MKFS "$DM_DEV_DIR/$vg/$lv1"
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mount "$DM_DEV_DIR/$vg/$lv1" mnt
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touch mnt/test
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lvcreate -K -s -n snap --addtag tagS $vg/$lv1
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mkdir mntsnap
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$MKFS "$DM_DEV_DIR/$vg/snap"
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mount "$DM_DEV_DIR/$vg/snap" mntsnap
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touch mntsnap/test_snap
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lvs -o+tags,thin_id $vg
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lvcreate -s -n snap1 $vg/$lv1
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lvconvert --merge $vg/snap &>out
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grep "Merging of thin snapshot $vg/snap will occur on next activation of $vg/${lv1}." out
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# Can't merge another snapshot while "snap" is still being 'merged'.
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not lvconvert --merge $vg/snap1 &>out
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grep "Cannot merge snapshot" out
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umount mnt
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# Merge cannot happen
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lvchange --refresh $vg/$lv1
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check lv_field $vg/$lv1 thin_id "1"
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# Fails since it cannot deactivate both
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not lvchange -an $vg/$lv1
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# But test $lv1 is not active
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check inactive $vg $lv1
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# Also still cannot reactivate $lv1
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not lvchange -ay $vg/$lv1
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umount mntsnap
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lvdisplay -a $vg | tee out
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grep "merged with" out
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grep "merging to" out
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# Check there is no support for manipulation with hidden 'snap'
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not lvchange --refresh $vg/snap
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not lvchange -an $vg/snap
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not lvremove $vg/snap
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# Finally deactivate 'snap' again via $lv1
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lvchange -an $vg/$lv1
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# Still must not be activable
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not lvchange -K -ay $vg/snap
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lvs -a -o +tags,thin_id $vg
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# Test if merge happens
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lvchange -ay $vg/$lv1
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check lv_exists $vg $lv1
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check lv_field $vg/$lv1 thin_id "2"
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check lv_field $vg/$lv1 tags "tagL"
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check lv_not_exists $vg snap
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fsck -n "$DM_DEV_DIR/$vg/$lv1"
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mount "$DM_DEV_DIR/$vg/$lv1" mnt
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test -e mnt/test_snap
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umount mnt
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# test if thin snapshot has also 'old-snapshot'
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lvcreate -s -n snap $vg/$lv1
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# Also add old snapshot to thin origin
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lvcreate -s -L10 -n oldsnapof_${lv1} $vg/$lv1
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not lvconvert --merge $vg/snap
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$MKFS "$DM_DEV_DIR/$vg/oldsnapof_${lv1}"
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lvconvert --merge $vg/oldsnapof_${lv1}
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fsck -n "$DM_DEV_DIR/$vg/$lv1"
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check lv_not_exists $vg oldsnapof_${lv1}
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# Add old snapshot to thin snapshot
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lvcreate -s -L10 -n oldsnapof_snap $vg/snap
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lvconvert --merge $vg/snap
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lvremove -f $vg/oldsnapof_snap
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check lv_field $vg/$lv1 thin_id "4"
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# Check --mergethin
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lvcreate -s -n snap $vg/$lv1
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check lv_field $vg/snap thin_id "5"
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lvconvert --mergethin $vg/snap &>out
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grep "Volume $vg/snap replaced origin $vg/${lv1}." out
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check lv_field $vg/$lv1 thin_id "5"
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vgremove -ff $vg
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