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git://sourceware.org/git/lvm2.git
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84 lines
2.4 KiB
Bash
84 lines
2.4 KiB
Bash
#!/bin/bash
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# Copyright (C) 2015 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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# ensure there is no data loss during thin-pool resize
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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 md5sum || skip
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aux have_thin 1 0 0 || skip
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aux prepare_vg 2 20
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lvcreate -L1M -V2M -n $lv1 -T $vg/pool
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# just ensure we check what we need to check
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check lv_field $vg/pool size "1.00m"
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check lv_field $vg/$lv1 size "2.00m"
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# prepare 2097152 file content
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seq 0 315465 > 2M
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md5sum 2M | cut -f 1 -d ' ' | tee MD5
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dd if=2M of="$DM_DEV_DIR/mapper/$vg-$lv1" bs=512K conv=fdatasync >log 2>&1 &
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#dd if=2M of="$DM_DEV_DIR/mapper/$vg-$lv1" bs=2M oflag=direct &
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# give it some time to fill thin-volume
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# eventually loop to wait for 100% full pool...
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sleep .1
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lvs -a $vg
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# this must not 'block & wait' on suspending flush
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# if it waits on thin-pool's target timeout
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# it will harm queued data
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lvextend -L+512k $vg/pool
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lvextend -L+512k $vg/pool
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# collect 'dd' result
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wait
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cat log
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lvs -a $vg
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dd if="$DM_DEV_DIR/mapper/$vg-$lv1" of=2M-2 iflag=direct
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md5sum 2M-2 | cut -f 1 -d ' ' | tee MD5-2
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# these 2 are supposed to match
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diff MD5 MD5-2
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# Do not want to see Live & Inactive table entry
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echo $(dm_info attr,name) | not grep "LI-.*${PREFIX}" || {
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dmsetup table --inactive | grep ${PREFIX}
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die "Found device with Inactive table"
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}
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# Check wrapping active thin-pool linear mapping has matching size
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POOLSZ=$(dmsetup table ${vg}-pool-tpool | cut -d ' ' -f 2)
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WRAPSZ=$(dmsetup table ${vg}-pool | cut -d ' ' -f 2)
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#
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# FIXME: currently requires to update 2 dependent targets in one 'preload'
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# lvm2 cannot handle this and would need one extra --refresh pass.
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# Once resolved - enabled this test.
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# Maybe other solution without fake linear mapping could be found.
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# Eventually strictly map just single sector as it has no real use?
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#
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#should test "${POOLSZ}" = "${WRAPSZ}" || \
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# die "Wrapping pool device size does not match real pool size"
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vgremove -f $vg
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