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lvm2/test/shell/lvconvert-raid-reshape-load.sh

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2017-12-01 20:31:12 +03:00
#!/usr/bin/env bash
# Copyright (C) 2017 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, MA2110-1301 USA
SKIP_WITH_LVMLOCKD=1
SKIP_WITH_LVMPOLLD=1
LVM_SKIP_LARGE_TESTS=1
. lib/inittest
# Test reshaping under io load
which mkfs.ext4 || skip
aux have_raid 1 13 1 || skip
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mpoint=/tmp/mpoint.$$
trap "[ -d $mpoint ] && rmdir $mpoint" 1 2 3 15
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aux prepare_pvs 16 32
get_devs
vgcreate -s 1M "$vg" "${DEVICES[@]}"
# Create 13-way striped raid5 (14 legs total)
lvcreate --yes --type raid5_ls --stripes 13 -L190M -n$lv1 $vg
check lv_first_seg_field $vg/$lv1 segtype "raid5_ls"
check lv_first_seg_field $vg/$lv1 data_stripes 13
check lv_first_seg_field $vg/$lv1 stripes 14
echo y|mkfs -t ext4 /dev/$vg/$lv1
aux wait_for_sync $vg $lv1
mkdir -p $mpoint
mount "$DM_DEV_DIR/$vg/$lv1" $mpoint
mkdir -p $mpoint/1 $mpoint/2
aux delay_dev "$dev2" 0 100
echo 3 >/proc/sys/vm/drop_caches
cp -r /usr/bin $mpoint/1 >/dev/null 2>/dev/null &
cp -r /usr/bin $mpoint/2 >/dev/null 2>/dev/null &
sync &
# Reshape it to 256K stripe size
lvconvert --yes --stripesize 256 $vg/$lv1
aux delay_dev "$dev2" 0 0
check lv_first_seg_field $vg/$lv1 stripesize "256.00k"
kill -9 %%
wait
umount $mpoint
[ -d $mpoint ] && rmdir $mpoint
fsck -fn "$DM_DEV_DIR/$vg/$lv1"
vgremove -ff $vg