fixes
diff --git a/wally/suits/io/check_distribution.cfg b/wally/suits/io/check_distribution.cfg
index 6ba3f9f..d08e52b 100644
--- a/wally/suits/io/check_distribution.cfg
+++ b/wally/suits/io/check_distribution.cfg
@@ -1,3 +1,6 @@
+[defaults]
+NUM_ROUNDS=301
+
 [distrubution_test_{TEST_SUMM} * {NUM_ROUNDS}]
 blocksize=4k
 rw=randwrite
@@ -7,7 +10,7 @@
 wait_for_previous
 filename={FILENAME}
 iodepth=1
-size=10Gb
+size=10G
 time_based
 runtime=30
 group_reporting