a lot of chenges
diff --git a/wally/suits/io/defaults.cfg b/wally/suits/io/defaults.cfg
new file mode 100644
index 0000000..51a8145
--- /dev/null
+++ b/wally/suits/io/defaults.cfg
@@ -0,0 +1,14 @@
+buffered=0
+group_reporting=1
+iodepth=1
+softrandommap=1
+thread=1
+time_based=1
+wait_for_previous=1
+
+# this is critical for correct results in multy-node run
+randrepeat=0
+
+filename={FILENAME}
+
+