diff --git a/wally/suits/io/hdd.cfg b/wally/suits/io/hdd.cfg
index 4b242a8..0eb85a6 100644
--- a/wally/suits/io/hdd.cfg
+++ b/wally/suits/io/hdd.cfg
@@ -1,17 +1,15 @@
 [global]
 include defaults.cfg
 
-NUM_ROUNDS=3
-
 # NUMJOBS={% 1, 5, 10, 15, 20, 30, 40, 80 %}
 
-NUMJOBS={% 1, 5, 10 %}
+NUMJOBS={% 1, 3, 5, 10, 20, 40 %}
 
 write_lat_log=fio_log
 write_iops_log=fio_log
 log_avg_msec=500
 
-size=10G
+size={TEST_FILE_SIZE}
 ramp_time=5
 runtime=30