diff --git a/wally/suits/io/defaults.cfg b/wally/suits/io/defaults.cfg
index 51a8145..9aff22c 100644
--- a/wally/suits/io/defaults.cfg
+++ b/wally/suits/io/defaults.cfg
@@ -1,7 +1,9 @@
 buffered=0
 group_reporting=1
 iodepth=1
-softrandommap=1
+
+norandommap=1
+
 thread=1
 time_based=1
 wait_for_previous=1
@@ -11,4 +13,11 @@
 
 filename={FILENAME}
 
+size={TEST_FILE_SIZE}
+
+write_lat_log=fio_log
+write_iops_log=fio_log
+write_bw_log=fio_log
+log_avg_msec=500
+