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#!/bin/sh
# Copyright (C) 2013-2014 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
. lib/inittest
test -e LOCAL_LVMPOLLD && skip
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
########################################################
aux raid456_replace_works || skip
aux have_raid 1 3 0 || skip
aux prepare_pvs 7 # 7 devices for 2 dev replacement of 5-dev RAID6
vgcreate -s 256k $vg $(cat DEVICES)
# RAID 4/5/6 (can replace up to 'parity' devices)
for i in 4 5 6; do
lvcreate --type raid$i -i 3 -l 3 -n $lv1 $vg
if [ $i -eq 6 ]; then
dev_cnt=5
limit=2
else
dev_cnt=4
limit=1
fi
for j in {1..3}; do
for o in $(seq 0 $i); do
replace=""
devices=( $(get_image_pvs $vg $lv1) )
for k in $(seq $j); do
index=$((($k + $o) % $dev_cnt))
replace="$replace --replace ${devices[$index]}"
done
aux wait_for_sync $vg $lv1
if [ $j -gt $limit ]; then
not lvconvert $replace $vg/$lv1
else
lvconvert $replace $vg/$lv1
fi
done
done
lvremove -ff $vg
done
vgremove -ff $vg
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