1 files changed, 94 insertions, 0 deletions
diff --git a/tests/find_multipaths/main.sh b/tests/find_multipaths/main.sh
new file mode 100755
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+++ b/tests/find_multipaths/main.sh
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+#!/bin/bash
+
+# Copyright (c) 2016 Red Hat, Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Author: Lin Li   <lilin@redhat.com>
+
+#set -x
+source ../include/ec.sh || exit 200
+
+tlog "running $0"
+
+# which not set find_multipaths yes, so multipath always create a multipath device for single device
+# so stop service and reconfig with  --find_multipaths y, and reload/start the service again. 
+trun "service multipathd stop"
+rpm -q device-mapper-multipath || yum install -y device-mapper-multipath
+
+# test with find_multipath=y, will not multipath for the single device; reload/start the service to enable the config
+trun "mpathconf --enable --user_friendly_names y --find_multipaths y --with_multipathd y"
+trun "service multipathd status"
+# use scsi_debug to simulate a drive
+trun "multipath -F"
+terr "modprobe -r scsi_debug"
+trun "modprobe scsi_debug"
+sleep 3
+trun "multipath -W"
+cat /etc/multipath/wwids
+trun "multipath"
+disk_path=$(get_scsi_debug_devices)
+disk_node=$(basename $disk_path)
+mpath_name=$(get_mpath_disk_by_scsi_device $disk_node)
+tok '[[ -z $mpath_name ]]'
+
+# test with find_multipath=n, will multipath for the single device
+trun "mpathconf --enable --user_friendly_names y --find_multipaths n --with_multipathd y"
+sleep 5
+trun "multipath"
+mpath_name=$(get_mpath_disk_by_scsi_device $disk_node)
+tok "is_mpath $mpath_name"
+
+# flush new created path
+sleep 3
+trun "multipath -F"
+sleep 3
+
+# test with find_multipath=y, A path has the same WWID as a multipath device that was previously created
+trun "mpathconf --enable --user_friendly_names y --find_multipaths y --with_multipathd y"
+sleep 5
+trun "multipath"
+mpath_name=$(get_mpath_disk_by_scsi_device $disk_node)
+tok "is_mpath $mpath_name"
+
+# Clear wwid, test with find_multipath=y, will not multipath for the single device
+trun "multipath -W"
+trun "mpathconf --disable --with_multipathd y"
+sleep 5
+mpath_name=$(get_mpath_disk_by_scsi_device $disk_node)
+tok '[[ -z $mpath_name ]]'
+
+trun "multipath -F"
+sleep 5
+trun "modprobe -r scsi_debug"
+
+# test find_multipaths=y create device for paths have same wwid
+tok "modprobe scsi_debug num_tgts=1 vpd_use_hostno=0 add_host=2 delay=20 max_luns=2 no_lun_0=1"
+sleep 10
+disk_paths=$(get_scsi_debug_devices)
+disk_node=$(basename $disk_paths)
+mpath_name=$(get_mpath_disk_by_scsi_device $disk_node)
+tok "is_mpath $mpath_name"
+
+sleep 10
+
+trun "multipath -F"
+sleep 5
+trun "modprobe -r scsi_debug"
+# remove the scsi_debug wwid
+trun "service multipathd stop"
+sleep 3
+trun "multipath -W"
+cat /etc/multipath/wwids
+tend