1 files changed, 71 insertions, 0 deletions
diff --git a/test/shell/duplicate-pvs-multipath.sh b/test/shell/duplicate-pvs-multipath.sh
new file mode 100644
index 0000000..bc98d2d
--- /dev/null
+++ b/test/shell/duplicate-pvs-multipath.sh
@@ -0,0 +1,71 @@
+#!/usr/bin/env bash
+
+# Copyright (C) 2021 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_description='duplicate pv detection of mpath components using wwid'
+
+SKIP_WITH_LVMPOLLD=1
+SKIP_WITH_LVMLOCKD=1
+
+. lib/inittest
+
+# FIXME: skip until mpath/scsi_debug cleanup works after a failure
+skip
+
+modprobe --dry-run scsi_debug || skip
+multipath -l || skip
+multipath -l | grep scsi_debug && skip
+
+# FIXME: setting multipath_component_detection=0 now also disables
+# the wwid-based mpath component detection, so this test will need
+# to find another way to disable only the filter-mpath code (using
+# sysfs and multipath/wwids) while keeping the code enabled that
+# eliminates duplicates based on their matching wwids which this
+# tries to test.
+
+# Prevent wwids from being used for filtering.
+aux lvmconf 'devices/multipath_wwids_file = "/dev/null"'
+# Need to use /dev/mapper/mpath
+aux lvmconf 'devices/dir = "/dev"'
+aux lvmconf 'devices/scan = "/dev"'
+# Could set filter to $MP and the component /dev/sd devs
+aux lvmconf "devices/filter = [ \"a|.*|\" ]"
+aux lvmconf "devices/global_filter = [ \"a|.*|\" ]"
+
+modprobe scsi_debug dev_size_mb=100 num_tgts=1 vpd_use_hostno=0 add_host=4 delay=20 max_luns=2 no_lun_0=1
+sleep 2
+
+multipath -r
+sleep 2
+
+MPB=$(multipath -l | grep scsi_debug | cut -f1 -d ' ')
+echo $MPB
+MP=/dev/mapper/$MPB
+echo $MP
+
+pvcreate $MP
+vgcreate $vg1 $MP
+lvcreate -l1 $vg1
+vgchange -an $vg1
+
+pvs |tee out
+grep $MP out
+for i in $(grep -H scsi_debug /sys/block/sd*/device/model | cut -f4 -d /); do
+	not grep /dev/$i out;
+done
+
+vgchange -an $vg1
+vgremove -y $vg1
+
+sleep 2
+multipath -f $MP
+sleep 1
+rmmod scsi_debug