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git://sourceware.org/git/lvm2.git
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89 lines
2.6 KiB
Bash
89 lines
2.6 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 2019 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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. lib/inittest
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aux have_raid 1 3 0 || skip
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PROGRESS=0
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aux have_raid 1 15 0 && PROGRESS=1
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# Use smallest regionsize to save VG space
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regionsize=$(getconf PAGESIZE) # in bytes
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pageregions=$(( regionsize * 8 )) # number of regions per MD bitmap page
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# in KiB
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regionsize=$(( regionsize / 1024 ))
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# in MiB
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lvsz=$(( pageregions * regionsize / 1024 ))
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lvext=$(( lvsz / 8 ))
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aux prepare_pvs 2 $(( lvsz + 3 * lvext ))
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get_devs
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vgcreate -s 4k $vg ${DEVICES[@]}
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# Keep $dev1 & $dev2 always open via small active LVs.
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# This trick avoids race on system with scanning udev service
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# when device is 'in-use' and we cleared _rimage & _rmeta.
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lvcreate -l1 $vg "$dev1"
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lvcreate -l1 $vg "$dev2"
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sector=$(( $(get first_extent_sector "$dev2") + 2048 ))
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aux zero_dev "$dev1" "${sector}:"
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# Slowdown 'read & write' so repair operation also takes time...
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aux delayzero_dev "$dev2" 40 20 "${sector}:"
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# Create raid1 LV consuming 1 MD bitmap page
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lvcreate --yes --type raid1 --regionsize ${regionsize}K -L$(( lvsz - lvext ))M -n $lv1 $vg
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lvs -a $vg
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not check lv_field $vg/$lv1 sync_percent "100.00"
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check lv_field $vg/$lv1 size "$(( lvsz - lvext )).00m" $vg/$lv1
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aux wait_for_sync $vg $lv1
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check lv_field $vg/$lv1 sync_percent "100.00"
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check lv_field $vg/$lv1 region_size "4.00k"
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# Extend so that full MD bitmap page is consumed
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lvextend -y -L+${lvext}M $vg/$lv1
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if [ $PROGRESS -eq 1 ]
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then
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# Synchronization should be still going on here
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# as we slowed down $dev2 on read & write.
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# So 'repair' operation reads and checks 'zeros'.
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not check lv_field $vg/$lv1 sync_percent "100.00"
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check lv_field $vg/$lv1 size "$lvsz.00m" $vg/$lv1
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fi
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aux wait_for_sync $vg $lv1
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check lv_field $vg/$lv1 sync_percent "100.00"
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# Extend so that another MD bitmap page is allocated
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lvextend -y -L+${lvext}M $vg/$lv1
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if [ $PROGRESS -eq 1 ]
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then
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not check lv_field $vg/$lv1 sync_percent "100.00"
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else
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aux wait_for_sync $vg $lv1
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check lv_field $vg/$lv1 sync_percent "100.00"
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fi
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aux enable_dev "$dev1" "$dev2"
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aux wait_for_sync $vg $lv1
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check lv_field $vg/$lv1 sync_percent "100.00"
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check lv_field $vg/$lv1 size "$(( lvsz + lvext )).00m" $vg/$lv1
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vgremove -ff $vg
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