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lvm2/test/shell/lvconvert-raid10.sh

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2017-07-02 22:38:32 +03:00
#!/usr/bin/env bash
# Copyright (C) 2012 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_LVMLOCKD=1
SKIP_WITH_LVMPOLLD=1
. lib/inittest
get_image_pvs() {
local d
local images
images=`dmsetup ls | grep ${1}-${2}_.image_.* | cut -f1 | sed -e s:-:/:`
lvs --noheadings -a -o devices $images | sed s/\(.\)//
}
########################################################
# MAIN
########################################################
# RAID10: Can replace 'copies - 1' devices from each stripe
# Tests are run on 2-way mirror, 3-way stripe RAID10
aux have_raid 1 3 1 || skip
# 9 PVs needed for RAID10 testing (3-stripes/2-mirror - replacing 3 devs)
aux prepare_pvs 9 80
vgcreate -s 256k $vg $(cat DEVICES)
lvcreate --type raid10 -m 1 -i 3 -l 3 -n $lv1 $vg
aux wait_for_sync $vg $lv1
# Can replace any single device
for i in $(get_image_pvs $vg $lv1); do
lvconvert --replace $i $vg/$lv1
aux wait_for_sync $vg $lv1
done
# Can't replace adjacent devices
devices=( $(get_image_pvs $vg $lv1) )
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not lvconvert --replace "${devices[0]}" --replace "${devices[1]}" $vg/$lv1
not lvconvert --replace "${devices[2]}" --replace "${devices[3]}" $vg/$lv1
not lvconvert --replace "${devices[4]}" --replace "${devices[5]}" $vg/$lv1
# Can replace non-adjacent devices
for i in 0 1; do
lvconvert \
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--replace "${devices[$i]}" \
--replace "${devices[$(( i + 2 ))]}" \
--replace "${devices[$(( i + 4 ))]}" \
$vg/$lv1
aux wait_for_sync $vg $lv1
done
vgremove -ff $vg