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lvm2/test/shell/lvextend-vdo.sh
Zdenek Kabelac cbed63eeb9 tests: check vdopool policy extension
Check pool will grow even with small policy amount.
2020-09-22 23:28:43 +02:00

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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
aux have_vdo 6 2 0 || skip
aux lvmconf "activation/vdo_pool_autoextend_percent = 1" \
"activation/vdo_pool_autoextend_threshold = 70" \
"allocation/vdo_slab_size_mb = 128"
aux prepare_vg 1 7000
lvcreate --vdo -V3G -L4G -n $lv1 $vg/$lv2
# Resize data volume
lvextend -L+1G $vg/$lv2
check lv_field $vg/$lv2 size "5.00g"
check lv_field $vg/${lv2}_vdata size "5.00g"
# Resize virtual volume on top of VDO
lvextend -L+1G $vg/$lv1
check lv_field $vg/$lv1 size "4.00g"
lvremove -f $vg
# Resize by policy
lvcreate --vdo -V3G -L4G -n $lv1 $vg/$lv2
# Fill VDO LV to match configured threshold >= 70%
dd if=/dev/urandom of="$DM_DEV_DIR/$vg/$lv1" bs=1M count=60 oflag=direct
PERCENT=$(get lv_field $vg/$lv2 data_percent | cut -d. -f1)
test "$PERCENT" -ge "70"
lvextend --use-policies "$vg/$lv2"
# although autoextend is only 1%, it needs to extend at least by slab_size
# this is corner case where min growth requires 128M + 128k
check lv_field $vg/$lv2 size "<4.13g"
vgremove -ff $vg