diff --git a/wally/suits/io/ceph.cfg b/wally/suits/io/ceph.cfg
index 425696a..5593181 100644
--- a/wally/suits/io/ceph.cfg
+++ b/wally/suits/io/ceph.cfg
@@ -12,8 +12,8 @@
 NUMJOBS_SHORT={% 1, 2, 3, 10 %}
 
 size=30G
-ramp_time=5
-runtime=30
+ramp_time=15
+runtime=60
 
 # ---------------------------------------------------------------------
 # check different thread count, sync mode. (latency, iops) = func(th_count)