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95 lines
2.3 KiB
Bash
95 lines
2.3 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 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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# TODO: once code get fixed, add matching 'check' calls
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SKIP_WITH_LVMLOCKD=1
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SKIP_WITH_LVMPOLLD=1
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. lib/inittest
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test -f /proc/mdstat && grep -q raid1 /proc/mdstat || \
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modprobe raid1 || skip
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aux lvmconf 'devices/md_component_detection = 1'
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aux extend_filter_LVMTEST "a|/dev/md|"
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aux prepare_devs 4
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vgcreate $vg "$dev3" "$dev4"
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# create 2 disk MD raid1 array
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# by default using metadata format 1.0 with data at the end of device
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aux prepare_md_dev 1 64 2 "$dev1" "$dev2"
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mddev=$(< MD_DEV)
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pvdev=$(< MD_DEV_PV)
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sleep 3
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mdadm --stop "$mddev"
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# copy fake PV/VG header PV3 -> PV2 (which is however md raid1 leg)
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dd if="$dev3" of="$dev2" bs=64k count=1 conv=fdatasync
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# remove VG on PV3 & PV4
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vgremove -f $vg
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sleep 3
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aux udev_wait
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# too bad 'dd' wakes up md array reassembling
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should not mdadm --detail "$mddev"
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should not mdadm --stop "$mddev"
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sleep 3
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# print what blkid thinks about each PV
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for i in "$dev1" "$dev2" "$dev3" "$dev4"
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do
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blkid -c /dev/null -w /dev/null "$i" || echo "Unknown signature"
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done
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# expect open count for each PV to be 0
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dmsetup info -c
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pvs -vvvv "$dev2" "$dev3" || true
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# still expect open count for each PV to be 0
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dmsetup info -c
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pvs -vvvv "$dev3" "$dev2" || true
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# and again we expect open count for each PV to be 0
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dmsetup info -c
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dmsetup table
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# even after 3 second of possible hidden raid array assembling
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sleep 3
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dmsetup info -c
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# if for any reason array went up - stop it again
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if mdadm --detail "$mddev" ; then
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mdadm --stop "$mddev"
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aux udev_wait
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should not mdadm --detail "$mddev"
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fi
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# now reassemble array from PV1 & PV2
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mdadm --assemble --verbose "$mddev" "$dev1" "$dev2"
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aux udev_wait
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sleep 1
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# and let 'fake hdr' to be fixed from master/primary leg
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# (when mdadm supports repair)
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if mdadm --action=repair "$mddev" ; then
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sleep 1
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# should be showing correctly PV3 & PV4
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pvs
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fi
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