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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
# Test autoextension of VDO pool volume
SKIP_WITH_LVMPOLLD=1
. lib/inittest
percent_() {
get lv_field $vg/vpool data_percent | cut -d. -f1
}
wait_for_change_() {
# dmeventd only checks every 10 seconds :(
for i in $(seq 1 25) ; do
test "$(percent_)" != "$1" && return
sleep 1
done
return 1 # timeout
}
aux have_vdo 6 2 0 || skip
aux prepare_dmeventd
aux lvmconf "activation/vdo_pool_autoextend_percent = 20" \
"activation/vdo_pool_autoextend_threshold = 70" \
"allocation/vdo_slab_size_mb = 128"
aux prepare_vg 1 9000
lvcreate --vdo -V2G -L4G -n $lv1 $vg/vpool
pre=$(percent_)
# Check out VDO pool is bellow 70%
test "$pre" -lt 70
# Fill space to be over 70%
dd if=/dev/urandom of="$DM_DEV_DIR/mapper/$vg-$lv1" bs=1M count=80 conv=fdatasync
# Should be now over 70%
pre=$(percent_)
test "$pre" -ge 70
wait_for_change_ $pre
pre=$(percent_)
# Check out VDO pool gets again bellow 70%
test "$pre" -lt 70 || die "Data percentage has not changed bellow 70%!"
# 4G * 1.2 (20%) -> 4.8G
check lv_field $vg/vpool size "4.80g"
check lv_field $vg/$lv1 size "2.00g"
lvs -a $vg
vgremove -f $vg
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