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#!/usr/bin/env bash
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# Copyright (C) 2016 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 thin data volume
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SKIP_WITH_LVMLOCKD = 1
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SKIP_WITH_LVMPOLLD = 1
export LVM_TEST_THIN_REPAIR_CMD = ${ LVM_TEST_THIN_REPAIR_CMD -/bin/false }
. lib/inittest
# As we check for 'instant' reaction
# retry only few times
test_equal_( ) {
for i in $( seq 1 4) ; do
test " $( get lv_field $vg /pool data_percent) " = " $1 " || return
sleep 1
done
}
aux have_thin 1 10 0 || skip
aux prepare_dmeventd
aux lvmconf "activation/thin_pool_autoextend_percent = 10" \
"activation/thin_pool_autoextend_threshold = 75"
aux prepare_pvs 3 256
vgcreate -s 256K $vg $( cat DEVICES)
lvcreate -L1M -c 64k -T $vg /pool
lvcreate -V1M $vg /pool -n $lv1
# Fill exactly 75%
dd if = /dev/zero of = " $DM_DEV_DIR /mapper/ $vg - $lv1 " bs = 786432c count = 1 conv = fdatasync
# when everything calcs correctly thin-pool should be exactly 75% full now
# and the size should not have changed
pre = "75.00"
test_equal_ $pre || die "Data percentage has changed!"
# Now triger allocation of 1 extra pool chunk
dd if = /dev/zero of = " $DM_DEV_DIR /mapper/ $vg - $lv1 " bs = 1c count = 1 seek = 786433 conv = fdatasync
lvs -a -o+chunksize $vg
dmsetup table
dmsetup status
# If the watermark works well - dmeventd should have already resized data LV
test_equal_ $pre && die "Data percentage has NOT changed!"
vgremove -f $vg
