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lvm2/test/shell/lvextend-snapshot-policy.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
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
# Copyright (C) 2010 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Substantial rework of the functional test support code. Some new features: - somewhat neater, more consistent and more readable output - possible to set any lvm.conf value: aux lvmconf "section/key = value" - LVM_TEST_NODEBUG to suppress the (lengthy) "## DEBUG" output - back-substitution on test output ($TESTDIR/$PREFIX -> @TESTDIR@/@PREFIX@) - support code moved from test/ to test/lib/ --> less clutter
2011-01-05 03:16:18 +03:00
. lib/test
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
which mkfs.ext2 || 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 }" $vg/snap
Implement automatic snapshot extension with dmeventd, and add two new options to lvm.conf in the activation section: 'snapshot_autoextend_threshold' and 'snapshot_autoextend_percent', that define how to handle automatic snapshot extension. The former defines when the snapshot should be extended: when its space usage exceeds this many percent. The latter defines how much extra space should be allocated for the snapshot, in percent of its current size.
2010-10-15 20:28:14 +04:00
}
write() {
Update tests Indent Shell improvements - use internal function for checks Use PVs in "" (LV and VG cannot have spaces) Several test very starting 'dmeventd' without annoucing it via prepade_dmeventd. Fix some of test actually.
2012-03-16 17:00:05 +04:00
mount "$DM_DEV_DIR/$vg/snap" mnt
dd if=/dev/zero of="mnt/file$1" bs=1k count=$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
umount mnt
}
percent() {
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
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
aux prepare_dmeventd
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
aux prepare_vg 2
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
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
lvcreate -l 8 -n base $vg
Update tests Indent Shell improvements - use internal function for checks Use PVs in "" (LV and VG cannot have spaces) Several test very starting 'dmeventd' without annoucing it via prepade_dmeventd. Fix some of test actually.
2012-03-16 17:00:05 +04:00
mkfs.ext2 "$DM_DEV_DIR/$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
lvcreate -s -l 4 -n snap $vg/base
mkdir mnt
write 1 4096
Update tests Indent Shell improvements - use internal function for checks Use PVs in "" (LV and VG cannot have spaces) Several test very starting 'dmeventd' without annoucing it via prepade_dmeventd. Fix some of test actually.
2012-03-16 17:00:05 +04:00
pre=$(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
extend 50
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 $pre -eq $(percent)
Implement automatic snapshot extension with dmeventd, and add two new options to lvm.conf in the activation section: 'snapshot_autoextend_threshold' and 'snapshot_autoextend_percent', that define how to handle automatic snapshot extension. The former defines when the snapshot should be extended: when its space usage exceeds this many percent. The latter defines how much extra space should be allocated for the snapshot, in percent of its current size.
2010-10-15 20:28:14 +04:00
write 2 4096
Update tests Indent Shell improvements - use internal function for checks Use PVs in "" (LV and VG cannot have spaces) Several test very starting 'dmeventd' without annoucing it via prepade_dmeventd. Fix some of test actually.
2012-03-16 17:00:05 +04:00
pre=$(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
extend 50
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 $pre -gt $(percent)
vgremove -f $vg
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