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test: add RAID lvextend resynchronization test

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Due to a dm-raid target flaw fixed in target version 1.15.0,
extents of raid sets don't get resynchronized when new MD bitmp
pages have to be allocated due to the extension.

Introduce lvextend-raid.sh to test this flaw.

Related: rhbz1671964
This commit is contained in:
Heinz Mauelshagen 2019-10-02 14:54:00 +02:00
parent c4aba47dd0
commit 242e2dccc3
1 changed files with 65 additions and 0 deletions
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test/shell/lvextend-raid.sh Normal file
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#!/usr/bin/env bash
# Copyright (C) 2019 Red Hat, Inc. All rights reserved.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions
# of the GNU General Public License v.2.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
SKIP_WITH_LVMPOLLD=1
. lib/inittest
v1_15_0=0
aux have_raid 1 15 0 && v1_15_0=1
# Use smallest regionsize to save VG space
regionsize=`getconf PAGESIZE` # in bytes
let pageregions=regionsize*8 # number of regions per MD bitmap page
# in KiB
let regionsize=regionsize/1024
# in MiB
let lvsz=pageregions*regionsize/1024
let lvext=lvsz/8
aux prepare_pvs 2 $(($lvsz + 3 * $lvext))
get_devs
vgcreate -s 4k $vg ${DEVICES[@]}
aux delay_dev "$dev1" 0 50
# Create raid1 LV consuming 1 MD bitmap page
lvcreate --yes --type raid1 --regionsize ${regionsize}K -L$(($lvsz-$lvext))M -n $lv1 $vg
not check lv_field $vg/$lv1 sync_percent "100.00"
check lv_field $vg/$lv1 size "$(($lvsz-$lvext)).00m" $vg/$lv1
aux wait_for_sync $vg $lv1
check lv_field $vg/$lv1 sync_percent "100.00"
check lv_field $vg/$lv1 region_size "4.00k"
# Extend so that full MD bitmap page is consumed
lvextend -y -L+${lvext}M $vg/$lv1
not check lv_field $vg/$lv1 sync_percent "100.00"
check lv_field $vg/$lv1 size "$(($lvsz)).00m" $vg/$lv1
aux wait_for_sync $vg $lv1
check lv_field $vg/$lv1 sync_percent "100.00"
# Extend so that another MD bitmap page is allocated
lvextend -y -L+${lvext}M $vg/$lv1
if [ $v1_15_0 -eq 1 ]
then
not check lv_field $vg/$lv1 sync_percent "100.00"
else
check lv_field $vg/$lv1 sync_percent "100.00"
fi
aux wait_for_sync $vg $lv1
check lv_field $vg/$lv1 sync_percent "100.00"
check lv_field $vg/$lv1 size "$(($lvsz+$lvext)).00m" $vg/$lv1
vgremove -ff $vg