| #!/bin/sh |
| # 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 |
| |
| SKIP_WITH_LVMLOCKD=1 |
| 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 |