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git://sourceware.org/git/lvm2.git
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118 lines
3.0 KiB
Bash
118 lines
3.0 KiB
Bash
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#!/bin/sh
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# Test repairing of broken thin pool metadata
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. lib/test
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# Set tools from configuration (set by Makefile)
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# Allow user override to take tools from unusual places
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LVM_TEST_THIN_CHECK_CMD=${LVM_TEST_THIN_CHECK_CMD:-thin_check}
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LVM_TEST_THIN_DUMP_CMD=${LVM_TEST_THIN_DUMP_CMD:-thin_dump}
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LVM_TEST_THIN_REPAIR_CMD=${LVM_TEST_THIN_REPAIR_CMD:-thin_repair}
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which mkfs.ext2 || skip
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# Maybe check also version of the tools here??
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which $LVM_TEST_THIN_CHECK_CMD || skip
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which $LVM_TEST_THIN_DUMP_CMD || skip
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which $LVM_TEST_THIN_REPAIR_CMD || 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 4
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# Create LV
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lvcreate -T -L20 -V10 -n $lv1 $vg/pool "$dev1" "$dev2"
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lvcreate -T -V10 -n $lv2 $vg/pool
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mkfs.ext2 $DM_DEV_DIR/$vg/$lv1
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mkfs.ext2 $DM_DEV_DIR/$vg/$lv2
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lvcreate -L20 -n repair $vg
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lvcreate -L2 -n fixed $vg
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lvs -a -o+seg_pe_ranges $vg
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#aux error_dev "$dev2" 2050:1
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# Make some repairable metadata damage??
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vgchange -an $vg
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lvconvert --repair $vg/pool
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lvs -a $vg
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# Test swapping - swap out thin-pool's metadata with our repair volume
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lvconvert -y -f --poolmetadata $vg/repair --thinpool $vg/pool
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lvchange -aey $vg/repair $vg/fixed
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#dd if=$DM_DEV_DIR/$vg/repair of=back bs=1M
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# Make some 'repairable' damage??
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dd if=/dev/zero of=$DM_DEV_DIR/$vg/repair bs=1 seek=40960 count=1
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#dd if=$DM_DEV_DIR/$vg/repair of=back_trashed bs=1M
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#not vgchange -ay $vg
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#lvconvert --repair $vg/pool
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# Using now SHOULD - since thin tools currently do not seem to work
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should not $THIN_CHECK $DM_DEV_DIR/$vg/repair
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should not $LVM_TEST_THIN_DUMP_CMD $DM_DEV_DIR/$vg/repair | tee dump
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should $LVM_TEST_THIN_REPAIR_CMD -i $DM_DEV_DIR/$vg/repair -o $DM_DEV_DIR/$vg/fixed
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should $THIN_CHECK $DM_DEV_DIR/$vg/fixed
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# Swap repaired metadata back
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lvconvert -y -f --poolmetadata $vg/fixed --thinpool $vg/pool
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lvs -a $vg
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# Activate pool - this should now work
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should vgchange -ay $vg
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lvs -a -o+devices $vg
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dmsetup table
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dmsetup info -c
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dmsetup ls --tree
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# Currently in troubles - we can't remove thin volume from broken pool
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lvchange -an $vg/repair
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lvchange -an $vg/fixed
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lvchange -an $vg/pool_tmeta0
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dmsetup remove $vg-pool_tdata
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dmsetup remove $vg-pool_tmeta
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dmsetup table
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# FIXME: needs also --yes with double force
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pvremove --yes -ff "$dev1"
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pvremove --yes -ff "$dev2"
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# FIXME: pv1 & pv2 are removed so pv3 & pv4 have no real LVs,
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# yet vgremove is refusing to do its jobs and suggest --partial??
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should vgremove -ff $vg
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# FIXME: stressing even more - there are no pool PV, we do not pass...
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should vgreduce --removemissing -f $vg
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should vgremove -ff $vg
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# Let's do a final forced cleanup
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pvremove --yes -ff "$dev3"
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pvremove --yes -ff "$dev4"
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