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tests: Add testing for lvmlockd failure

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After the lvmlockd abnormally exits and relaunch the daemon, if LVM
commands continue to run, lvmlockd and the backend lock manager (e.g.
sanlock lock manager or IDM lock manager) should can continue to serve
the requests from LVM commands.

This patch adds a test to emulate lvmlockd failure, and verify the LVM
commands after lvmlockd recovers back.  Below is an example for testing
the case:

  # make check_lvmlockd_idm \
	LVM_TEST_BACKING_DEVICE=/dev/sdo3,/dev/sdp3,/dev/sdp4 \
	LVM_TEST_FAILURE=1 T=lvmlockd_failure.sh

Signed-off-by: Leo Yan <leo.yan@linaro.org>
This commit is contained in:
Leo Yan 2021-06-03 17:59:17 +08:00 committed by David Teigland
parent 8c7b2df41f
commit 874001ee6e
2 changed files with 39 additions and 1 deletions
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3
test/lib/inittest.sh
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@ -31,6 +31,7 @@ LVM_TEST_BACKING_DEVICE=${LVM_TEST_BACKING_DEVICE-}
LVM_TEST_DEVDIR=${LVM_TEST_DEVDIR-}
LVM_TEST_NODEBUG=${LVM_TEST_NODEBUG-}
LVM_TEST_LVM1=${LVM_TEST_LVM1-}
LVM_TEST_FAILURE=${LVM_TEST_FAILURE-}
# TODO: LVM_TEST_SHARED
SHARED=${SHARED-}
@ -63,7 +64,7 @@ test -n "$SKIP_WITH_LVMLOCKD" && test -n "$LVM_TEST_LVMLOCKD" && initskip
unset CDPATH
export LVM_TEST_BACKING_DEVICE LVM_TEST_DEVDIR LVM_TEST_NODEBUG
export LVM_TEST_BACKING_DEVICE LVM_TEST_DEVDIR LVM_TEST_NODEBUG LVM_TEST_FAILURE
export LVM_TEST_LVMLOCKD LVM_TEST_LVMLOCKD_TEST
export LVM_TEST_LVMPOLLD LVM_TEST_LOCK_TYPE_DLM LVM_TEST_LOCK_TYPE_SANLOCK LVM_TEST_LOCK_TYPE_IDM
export LVM_TEST_DEVICES_FILE

37
test/shell/lvmlockd_failure.sh Normal file
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@ -0,0 +1,37 @@
#!/usr/bin/env bash
# Copyright (C) 2020~2021 Seagate, 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
[ -z "$LVM_TEST_FAILURE" ] && skip;
aux prepare_vg 3
# Create new logic volume
lvcreate -a ey --zero n -l 1 -n $lv1 $vg
# Emulate lvmlockd abnormally exiting
killall -9 lvmlockd
systemctl start lvm2-lvmlockd
vgchange --lock-start $vg
lvchange -a n $vg/$lv1
lvchange -a sy $vg/$lv1
lvcreate -a ey --zero n -l 1 -n $lv2 $vg
lvchange -a n $vg/$lv2
vgremove -ff $vg