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git://sourceware.org/git/lvm2.git
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201 lines
5.6 KiB
Bash
201 lines
5.6 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 2008-2013,2018 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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SKIP_WITH_LVMPOLLD=1
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SKIP_WITH_LVMLOCKD=1
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. lib/inittest
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SIZE_MB=80
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# 4 devs each $SIZE_MB
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aux prepare_devs 4 $SIZE_MB
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get_devs
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dd if=/dev/zero of="$dev1" bs=1M count=2 oflag=direct
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dd if=/dev/zero of="$dev2" bs=1M count=2 oflag=direct
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# clear entire dev to cover mda2
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dd if=/dev/zero of="$dev3" bs=1M count=$SIZE_MB oflag=direct
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dd if=/dev/zero of="$dev4" bs=1M count=2 oflag=direct
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pvcreate "$dev1"
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pvcreate "$dev2"
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pvcreate --pvmetadatacopies 2 "$dev3"
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pvcreate --pvmetadatacopies 0 "$dev4"
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vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3"
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pvs
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pvck --dump headers "$dev1" > h1
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pvck --dump headers "$dev2" > h2
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pvck --dump headers "$dev3" > h3
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pvck --dump headers "$dev4" > h4
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grep "label_header at 512" h1
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grep "label_header at 512" h2
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grep "label_header at 512" h3
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grep "label_header at 512" h4
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grep "pv_header at 544" h1
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grep "pv_header at 544" h2
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grep "pv_header at 544" h3
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grep "pv_header at 544" h4
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grep "pv_header.disk_locn\[0\].offset 1048576" h1
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grep "pv_header.disk_locn\[0\].offset 1048576" h2
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grep "pv_header.disk_locn\[0\].offset 1048576" h3
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grep "pv_header.disk_locn\[2\].offset 4096" h1
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grep "pv_header.disk_locn\[2\].offset 4096" h2
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grep "pv_header.disk_locn\[2\].offset 4096" h3
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grep "pv_header.disk_locn\[2\].size 1044480" h1
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grep "pv_header.disk_locn\[2\].size 1044480" h2
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grep "pv_header.disk_locn\[2\].size 1044480" h3
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not grep "pv_header.disk_locn\[3\].size" h4
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not grep "pv_header.disk_locn\[4\].size" h4
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not grep "mda_header" h4
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grep "mda_header_1 at 4096" h1
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grep "mda_header_1 at 4096" h2
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grep "mda_header_1 at 4096" h3
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grep "mda_header_1.start 4096" h1
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grep "mda_header_1.start 4096" h2
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grep "mda_header_1.start 4096" h3
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grep "mda_header_1.size 1044480" h1
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grep "mda_header_1.size 1044480" h2
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grep "mda_header_1.size 1044480" h3
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grep "mda_header_2 at " h3
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grep "mda_header_2.start " h3
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grep "metadata text at " h1
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grep "metadata text at " h2
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grep "metadata text at " h3
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not grep CHECK h1
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not grep CHECK h2
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not grep CHECK h3
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pvck --dump metadata "$dev1" > m1
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pvck --dump metadata "$dev2" > m2
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pvck --dump metadata "$dev3" > m3
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pvck --dump metadata "$dev4" > m4
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pvck --dump metadata --pvmetadatacopies 2 "$dev3" > m3b
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grep "zero metadata copies" m4
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diff m1 m2
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diff m1 m3
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not diff m1 m3b > tmp
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grep "metadata text at" tmp
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lvcreate -an -l1 $vg
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pvck --dump metadata_all -f all1 "$dev1" > out1
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pvck --dump metadata_all -f all2 "$dev2" > out2
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pvck --dump metadata_all -f all3 "$dev3" > out3
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pvck --dump metadata_all --pvmetadatacopies 2 -f all3b "$dev3" > out3b
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diff out1 out2
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diff out1 out3
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grep "seqno 1" out1
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grep "seqno 1" out3b
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grep "seqno 2" out1
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grep "seqno 2" out3b
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diff all1 all2
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diff all1 all3
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diff all1 all3b
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grep "seqno = 1" all1
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grep "seqno = 2" all1
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pvck --dump metadata_area -f area1 "$dev1"
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pvck --dump metadata_area -f area2 "$dev2"
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pvck --dump metadata_area -f area3 "$dev3"
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pvck --dump metadata_area -f area3b "$dev3"
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diff area1 area2
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diff area1 area3
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diff area1 area3b
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vgremove -ff $vg
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# clear entire dev to cover mda2
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dd if=/dev/zero of="$dev1" bs=1M count=$SIZE_MB oflag=direct
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dd if=/dev/zero of="$dev2" bs=1M count=32 oflag=direct
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dd if=/dev/zero of="$dev3" bs=1M count=32 oflag=direct
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dd if=/dev/zero of="$dev4" bs=1M count=32 oflag=direct
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pvcreate --pvmetadatacopies 2 --metadatasize 32M "$dev1"
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vgcreate $SHARED -s 64K --metadatasize 32M $vg "$dev1" "$dev2" "$dev3" "$dev4"
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for i in $(seq 1 500); do echo "lvcreate -an -n lv$i -l1 $vg"; done | lvm
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pvck --dump headers "$dev1" > h1
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pvck --dump metadata_search "$dev1" > m1
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grep "seqno 500" m1
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# When metadatasize is 32M, headers/rounding can mean that
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# we need more than the first 32M of the dev to get all the
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# metadata.
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dd if="$dev1" of=dev1dd bs=1M count=34
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# Clear the header so that we force metadata_search to use
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# the settings instead of getting the mda_size/mda_offset
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# from the headers.
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dd if=/dev/zero of="$dev1" bs=4K count=1 oflag=direct
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# Warning: these checks are based on copying specific numbers
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# seen when running these commands, but these numbers could
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# change as side effects of other things. That makes this
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# somewhat fragile, and we might want to remove some of the
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# these checks if they are hard to keep working.
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# by experimentation, mda_size for mda1 is 34598912
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pvck --dump metadata_search --settings "mda_num=1 mda_size=34598912" "$dev1" > m1b
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# by experimentation, metadata 484 is the last in the mda1 buffer
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grep "seqno 484" m1b
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# by experimentation, metadata 485 is the last in the mda1 buffer
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grep "seqno 485" m1b
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grep "seqno 500" m1b
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# same results when using file as on device
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pvck --dump metadata_search --settings "mda_num=1 mda_size=34598912" dev1dd > m1c
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# by experimentation, metadata 484 is the last in the mda1 buffer
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grep "seqno 484" m1b
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# by experimentation, metadata 485 is the last in the mda1 buffer
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grep "seqno 485" m1b
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grep "seqno 500" m1b
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# by experimentation, mda_size for mda2 is 33554432
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pvck --dump metadata_search --settings "mda_num=2 mda_size=33554432" "$dev1" > m2
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# by experimentation, metadata 477 is the last in the mda2 buffer
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grep "seqno 477" m1b
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# by experimentation, metadata 478 is the last in the mda2 buffer
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grep "seqno 478" m1b
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grep "seqno 500" m2
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dd if=dev1dd of="$dev1" bs=4K count=1 oflag=direct
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vgremove -ff $vg
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