add example job file for the RBD engine

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/examples/rbd.fio b/examples/rbd.fio
new file mode 100644
index 0000000..fcb494a
--- /dev/null
+++ b/examples/rbd.fio
@@ -0,0 +1,23 @@
+######################################################################
+# Example test for the RBD engine.
+# 
+# Runs a 4k random write test agains a RBD via librbd  
+#
+# NOTE: Make sure you have either a RBD named 'fio_test' or change 
+#       the rbdname parameter.
+######################################################################
+[global]
+#logging
+#write_iops_log=write_iops_log
+#write_bw_log=write_bw_log
+#write_lat_log=write_lat_log
+ioengine=rbd
+clientname=admin
+pool=rbd
+rbdname=fio_test
+invalidate=0	# mandatory
+rw=randwrite
+bs=4k
+
+[rbd_iodepth32]
+iodepth=32