1 files changed, 55 insertions, 0 deletions
diff --git a/tests/medium_error_scsi_debug/main.sh b/tests/medium_error_scsi_debug/main.sh
new file mode 100755
index 0000000..23cb5e4
--- /dev/null
+++ b/tests/medium_error_scsi_debug/main.sh
@@ -0,0 +1,55 @@
+#!/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: LiLin <lilin@redhat.com>
+
+function cleanup()
+{
+    multipath -F
+    service multipathd stop 
+    sleep 15
+    modprobe -r scsi_debug    
+    rt=$?
+    while [ $rt -ne 0 ]
+    do
+	sleep 15
+	modprobe -r scsi_debug
+        rt=$?
+    done
+}
+
+yum -y install device-mapper device-mapper-multipath
+mpathconf --enable
+modprobe scsi_debug  dev_size_mb=1024 num_tgts=1 vpd_use_hostno=0 add_host=2 delay=20  max_luns=2 no_lun_0=1 opts=2 every_nth=1
+sleep 5
+service multipathd restart
+sleep 10
+disk1=`multipath -ll | grep -A 5 scsi_debug | grep -oE "sd." | head -1`
+if [ -z "$disk1" ]; then
+	cleanup
+	exit 1
+fi
+
+IO_error=`dd if=/dev/zero of=/dev/$disk1 bs=1024 count=262144 2>&1 | grep -o "Input/output error" `
+if [ -n "$IO_error" ];then
+	echo "------- PASS,  a medium error, correctly generate an I/O error and do not get infinitely retried -----"
+	cleanup
+else
+	echo "------- FAIL, not generate an I/O error -----"
+	cleanup
+	exit -1
+fi