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lvm2/test/shell/lvextend-snapshot-dmeventd.sh

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Update tests Indent Shell improvements - use internal function for checks Use PVs in "" (LV and VG cannot have spaces) Several test very starting 'dmeventd' without annoucing it via prepade_dmeventd. Fix some of test actually.
2012-03-16 17:00:05 +04:00
#!/bin/sh
# Copyright (C) 2010-2012 Red Hat, Inc. All rights reserved.
Implement automatic snapshot extension with dmeventd, and add two new options to lvm.conf in the activation section: 'snapshot_autoextend_threshold' and 'snapshot_autoextend_percent', that define how to handle automatic snapshot extension. The former defines when the snapshot should be extended: when its space usage exceeds this many percent. The latter defines how much extra space should be allocated for the snapshot, in percent of its current size.
2010-10-15 20:28:14 +04:00
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
tests: rename test to inittest We are getting into problem when we use 'test' for commands like should/not/... So avoid overloading test name and change it to inittest.
2014-06-06 19:40:04 +04:00
. lib/inittest
Implement automatic snapshot extension with dmeventd, and add two new options to lvm.conf in the activation section: 'snapshot_autoextend_threshold' and 'snapshot_autoextend_percent', that define how to handle automatic snapshot extension. The former defines when the snapshot should be extended: when its space usage exceeds this many percent. The latter defines how much extra space should be allocated for the snapshot, in percent of its current size.
2010-10-15 20:28:14 +04:00
lvmpolld: Add standalone polldaemon. See doc/lvmpolld_overview.txt
2015-05-09 02:59:18 +03:00
test -e LOCAL_LVMPOLLD && skip
Implement automatic snapshot extension with dmeventd, and add two new options to lvm.conf in the activation section: 'snapshot_autoextend_threshold' and 'snapshot_autoextend_percent', that define how to handle automatic snapshot extension. The former defines when the snapshot should be extended: when its space usage exceeds this many percent. The latter defines how much extra space should be allocated for the snapshot, in percent of its current size.
2010-10-15 20:28:14 +04:00
extend() {
test: snapshot_extend_threshold -> snapshot_autoextend_threshold Missing the "auto" prefix in the config key name. The unknown setting is silently ignored otherwise.
2012-08-27 16:04:21 +04:00
lvextend --use-policies --config "activation { snapshot_autoextend_threshold = $1 }" $vg/snap
Implement automatic snapshot extension with dmeventd, and add two new options to lvm.conf in the activation section: 'snapshot_autoextend_threshold' and 'snapshot_autoextend_percent', that define how to handle automatic snapshot extension. The former defines when the snapshot should be extended: when its space usage exceeds this many percent. The latter defines how much extra space should be allocated for the snapshot, in percent of its current size.
2010-10-15 20:28:14 +04:00
}
Update tests Indent Shell improvements - use internal function for checks Use PVs in "" (LV and VG cannot have spaces) Several test very starting 'dmeventd' without annoucing it via prepade_dmeventd. Fix some of test actually.
2012-03-16 17:00:05 +04:00
write_() {
tests: use odirect Fill snaphot with odirect so we know data hits disk before we test how full the snapshot is.
2015-05-02 22:14:45 +03:00
dd if=/dev/zero of="$DM_DEV_DIR/$vg/snap" bs=1k count=$2 seek=$1 oflag=direct
Implement automatic snapshot extension with dmeventd, and add two new options to lvm.conf in the activation section: 'snapshot_autoextend_threshold' and 'snapshot_autoextend_percent', that define how to handle automatic snapshot extension. The former defines when the snapshot should be extended: when its space usage exceeds this many percent. The latter defines how much extra space should be allocated for the snapshot, in percent of its current size.
2010-10-15 20:28:14 +04:00
}
Update tests Indent Shell improvements - use internal function for checks Use PVs in "" (LV and VG cannot have spaces) Several test very starting 'dmeventd' without annoucing it via prepade_dmeventd. Fix some of test actually.
2012-03-16 17:00:05 +04:00
percent_() {
get lv_field $vg/snap snap_percent | cut -d. -f1
Implement automatic snapshot extension with dmeventd, and add two new options to lvm.conf in the activation section: 'snapshot_autoextend_threshold' and 'snapshot_autoextend_percent', that define how to handle automatic snapshot extension. The former defines when the snapshot should be extended: when its space usage exceeds this many percent. The latter defines how much extra space should be allocated for the snapshot, in percent of its current size.
2010-10-15 20:28:14 +04:00
}
Update tests Indent Shell improvements - use internal function for checks Use PVs in "" (LV and VG cannot have spaces) Several test very starting 'dmeventd' without annoucing it via prepade_dmeventd. Fix some of test actually.
2012-03-16 17:00:05 +04:00
wait_for_change_() {
# dmeventd only checks every 10 seconds :(
test: Allow a longer timeout for lvextend-snapshot-dmeventd.
2014-10-01 11:52:09 +04:00
for i in $(seq 1 25) ; do
Update tests Indent Shell improvements - use internal function for checks Use PVs in "" (LV and VG cannot have spaces) Several test very starting 'dmeventd' without annoucing it via prepade_dmeventd. Fix some of test actually.
2012-03-16 17:00:05 +04:00
test "$(percent_)" != "$1" && return
sleep 1
done
Implement automatic snapshot extension with dmeventd, and add two new options to lvm.conf in the activation section: 'snapshot_autoextend_threshold' and 'snapshot_autoextend_percent', that define how to handle automatic snapshot extension. The former defines when the snapshot should be extended: when its space usage exceeds this many percent. The latter defines how much extra space should be allocated for the snapshot, in percent of its current size.
2010-10-15 20:28:14 +04:00
Update tests Indent Shell improvements - use internal function for checks Use PVs in "" (LV and VG cannot have spaces) Several test very starting 'dmeventd' without annoucing it via prepade_dmeventd. Fix some of test actually.
2012-03-16 17:00:05 +04:00
return 1 # timeout
}
Implement automatic snapshot extension with dmeventd, and add two new options to lvm.conf in the activation section: 'snapshot_autoextend_threshold' and 'snapshot_autoextend_percent', that define how to handle automatic snapshot extension. The former defines when the snapshot should be extended: when its space usage exceeds this many percent. The latter defines how much extra space should be allocated for the snapshot, in percent of its current size.
2010-10-15 20:28:14 +04:00
Update tests Indent Shell improvements - use internal function for checks Use PVs in "" (LV and VG cannot have spaces) Several test very starting 'dmeventd' without annoucing it via prepade_dmeventd. Fix some of test actually.
2012-03-16 17:00:05 +04:00
aux prepare_dmeventd
aux prepare_vg 2
Implement automatic snapshot extension with dmeventd, and add two new options to lvm.conf in the activation section: 'snapshot_autoextend_threshold' and 'snapshot_autoextend_percent', that define how to handle automatic snapshot extension. The former defines when the snapshot should be extended: when its space usage exceeds this many percent. The latter defines how much extra space should be allocated for the snapshot, in percent of its current size.
2010-10-15 20:28:14 +04:00
tests: more test run in cluster mode aux updates: prepare_vg now created clustered VG for cluster tests. since dm-raid doesn't work in cluster, skip the cluster test when someone checks for dm-raid target until fixed.
2013-06-15 13:21:03 +04:00
lvcreate -aey -L16M -n base $vg
Update tests Indent Shell improvements - use internal function for checks Use PVs in "" (LV and VG cannot have spaces) Several test very starting 'dmeventd' without annoucing it via prepade_dmeventd. Fix some of test actually.
2012-03-16 17:00:05 +04:00
lvcreate -s -L4M -n snap $vg/base
Implement automatic snapshot extension with dmeventd, and add two new options to lvm.conf in the activation section: 'snapshot_autoextend_threshold' and 'snapshot_autoextend_percent', that define how to handle automatic snapshot extension. The former defines when the snapshot should be extended: when its space usage exceeds this many percent. The latter defines how much extra space should be allocated for the snapshot, in percent of its current size.
2010-10-15 20:28:14 +04:00
Update tests Indent Shell improvements - use internal function for checks Use PVs in "" (LV and VG cannot have spaces) Several test very starting 'dmeventd' without annoucing it via prepade_dmeventd. Fix some of test actually.
2012-03-16 17:00:05 +04:00
write_ 0 1000
test 24 -eq $(percent_)
Implement automatic snapshot extension with dmeventd, and add two new options to lvm.conf in the activation section: 'snapshot_autoextend_threshold' and 'snapshot_autoextend_percent', that define how to handle automatic snapshot extension. The former defines when the snapshot should be extended: when its space usage exceeds this many percent. The latter defines how much extra space should be allocated for the snapshot, in percent of its current size.
2010-10-15 20:28:14 +04:00
Update tests Indent Shell improvements - use internal function for checks Use PVs in "" (LV and VG cannot have spaces) Several test very starting 'dmeventd' without annoucing it via prepade_dmeventd. Fix some of test actually.
2012-03-16 17:00:05 +04:00
lvchange --monitor y $vg/snap
Fix a bug in dmeventd snapshot monitoring code where the monitoring threshold would grow with subsequent snapshot extensions (RHBZ 754198).
2011-11-21 16:31:18 +04:00
Update tests Indent Shell improvements - use internal function for checks Use PVs in "" (LV and VG cannot have spaces) Several test very starting 'dmeventd' without annoucing it via prepade_dmeventd. Fix some of test actually.
2012-03-16 17:00:05 +04:00
write_ 1000 1700
pre=$(percent_)
tests: extend race Mark test as skipped, if the test could not be made.
2015-02-19 19:08:33 +03:00
# Normally the usage should be ~66% here, however on slower systems
# dmeventd could be actually 'fast' enough to have COW already resized now
# so mark test skipped if we are bellow 50% by now
test $pre -gt 50 || skip
Update tests Indent Shell improvements - use internal function for checks Use PVs in "" (LV and VG cannot have spaces) Several test very starting 'dmeventd' without annoucing it via prepade_dmeventd. Fix some of test actually.
2012-03-16 17:00:05 +04:00
wait_for_change_ $pre
test $pre -gt $(percent_)
Fix a bug in dmeventd snapshot monitoring code where the monitoring threshold would grow with subsequent snapshot extensions (RHBZ 754198).
2011-11-21 16:31:18 +04:00
# check that a second extension happens; we used to fail to extend when the
# utilisation ended up between THRESH and (THRESH + 10)... see RHBZ 754198
# (the utilisation after the write should be 57 %)
Update tests Indent Shell improvements - use internal function for checks Use PVs in "" (LV and VG cannot have spaces) Several test very starting 'dmeventd' without annoucing it via prepade_dmeventd. Fix some of test actually.
2012-03-16 17:00:05 +04:00
write_ 2700 2000
pre=$(percent_)
tests: extend race Mark test as skipped, if the test could not be made.
2015-02-19 19:08:33 +03:00
# Mark test as skipped if already resized...
test $pre -gt 70 || skip
Update tests Indent Shell improvements - use internal function for checks Use PVs in "" (LV and VG cannot have spaces) Several test very starting 'dmeventd' without annoucing it via prepade_dmeventd. Fix some of test actually.
2012-03-16 17:00:05 +04:00
wait_for_change_ $pre
test $pre -gt $(percent_)
vgremove -f $vg
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