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237 lines
4.4 KiB
Bash
237 lines
4.4 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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. lib/inittest
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aux prepare_devs 3
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get_devs
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dd if=/dev/zero of="$dev1" || true
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dd if=/dev/zero of="$dev2" || true
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dd if=/dev/zero of="$dev3" || true
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vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3"
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pvs
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dd if="$dev1" of=meta1 bs=4k count=2
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sed 's/flags =/flagx =/' meta1 > meta1.bad
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dd if=meta1.bad of="$dev1"
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pvs 2>&1 | tee out
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grep "bad metadata text" out
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pvs "$dev1"
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pvs "$dev2"
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pvs "$dev3"
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# bad metadata in one mda doesn't prevent using
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# the VG since other mdas are fine and usable
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lvcreate -l1 $vg
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vgck --updatemetadata $vg
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pvs 2>&1 | tee out
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not grep "bad metadata text" out
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pvs "$dev1"
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pvs "$dev2"
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pvs "$dev3"
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vgchange -an $vg
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vgremove -ff $vg
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#
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# Same test as above, but corrupt metadata text
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# on two of the three PVs, leaving one good
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# copy of the metadata.
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#
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dd if=/dev/zero of="$dev1" || true
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dd if=/dev/zero of="$dev2" || true
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dd if=/dev/zero of="$dev3" || true
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vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3"
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pvs
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dd if="$dev1" of=meta1 bs=4k count=2
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dd if="$dev2" of=meta2 bs=4k count=2
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sed 's/READ/RRRR/' meta1 > meta1.bad
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sed 's/seqno =/sss =/' meta2 > meta2.bad
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dd if=meta1.bad of="$dev1"
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dd if=meta2.bad of="$dev2"
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pvs 2>&1 | tee out
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grep "bad metadata text" out > out2
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grep "$dev1" out2
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grep "$dev2" out2
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pvs "$dev1"
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pvs "$dev2"
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pvs "$dev3"
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# bad metadata in one mda doesn't prevent using
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# the VG since other mdas are fine
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lvcreate -l1 $vg
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vgck --updatemetadata $vg
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pvs 2>&1 | tee out
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not grep "bad metadata text" out
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pvs "$dev1"
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pvs "$dev2"
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pvs "$dev3"
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vgchange -an $vg
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vgremove -ff $vg
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#
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# Three PVs where two have one mda, and the third
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# has two mdas. The first mda is corrupted on all
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# thee PVs, but the second mda on the third PV
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# makes the VG usable.
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#
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dd if=/dev/zero of="$dev1" || true
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dd if=/dev/zero of="$dev2" || true
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dd if=/dev/zero of="$dev3" || true
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pvcreate "$dev1"
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pvcreate "$dev2"
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pvcreate --pvmetadatacopies 2 "$dev3"
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vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3"
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pvs
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dd if="$dev1" of=meta1 bs=4k count=2
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dd if="$dev2" of=meta2 bs=4k count=2
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dd if="$dev3" of=meta3 bs=4k count=2
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sed 's/READ/RRRR/' meta1 > meta1.bad
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sed 's/seqno =/sss =/' meta2 > meta2.bad
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sed 's/id =/id/' meta3 > meta3.bad
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dd if=meta1.bad of="$dev1"
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dd if=meta2.bad of="$dev2"
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dd if=meta3.bad of="$dev3"
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pvs 2>&1 | tee out
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grep "bad metadata text" out > out2
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grep "$dev1" out2
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grep "$dev2" out2
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grep "$dev3" out2
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pvs "$dev1"
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pvs "$dev2"
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pvs "$dev3"
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# bad metadata in some mdas doesn't prevent using
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# the VG if there's a good mda found
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lvcreate -l1 $vg
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vgck --updatemetadata $vg
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pvs 2>&1 | tee out
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not grep "bad metadata text" out
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pvs "$dev1"
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pvs "$dev2"
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pvs "$dev3"
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vgchange -an $vg
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vgremove -ff $vg
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#
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# Test that vgck --updatemetadata will update old metadata
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# and repair bad metadata text at the same time from different
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# devices.
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#
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dd if=/dev/zero of="$dev1" || true
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dd if=/dev/zero of="$dev2" || true
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dd if=/dev/zero of="$dev3" || true
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pvcreate "$dev1"
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pvcreate "$dev2"
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pvcreate --pvmetadatacopies 2 "$dev3"
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vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3"
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# Put bad metadata onto dev1
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dd if="$dev1" of=meta1 bs=4k count=2
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sed 's/READ/RRRR/' meta1 > meta1.bad
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dd if=meta1.bad of="$dev1"
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pvs 2>&1 | tee out
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grep "bad metadata text" out > out2
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grep "$dev1" out2
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# We can still use the VG with other available
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# mdas, skipping the bad mda.
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lvcreate -n $lv1 -l1 -an $vg "$dev1"
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lvcreate -n $lv2 -l1 -an $vg "$dev1"
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# Put old metadata onto dev2 by updating
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# the VG while dev2 is disabled.
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aux disable_dev "$dev2"
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pvs
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pvs "$dev1"
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not pvs "$dev2"
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pvs "$dev3"
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lvs $vg/$lv1
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lvs $vg/$lv2
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lvremove $vg/$lv2
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aux enable_dev "$dev2"
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# Both old and bad metadata are reported.
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pvs 2>&1 | tee out
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grep "ignoring metadata seqno" out
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grep "bad metadata text" out
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pvs "$dev1"
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pvs "$dev2"
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pvs "$dev3"
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lvs $vg/$lv1
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not lvs $vg/$lv2
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# fixes the bad metadata on dev1, and
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# fixes the old metadata on dev2.
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vgck --updatemetadata $vg
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pvs 2>&1 | tee out
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not grep "ignoring metadata seqno" out
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not grep "bad metadata text" out
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pvs "$dev1"
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pvs "$dev2"
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pvs "$dev3"
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lvs $vg/$lv1
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vgchange -an $vg
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vgremove -ff $vg
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