a lot of changes
diff --git a/wally/suits/io/check_linearity.cfg b/wally/suits/io/check_linearity.cfg
index a75d937..670e8b3 100644
--- a/wally/suits/io/check_linearity.cfg
+++ b/wally/suits/io/check_linearity.cfg
@@ -1,6 +1,9 @@
[defaults]
NUM_ROUNDS=7
+# this is critical for correct results in multy-node run
+randrepeat=0
+
ramp_time=5
buffered=0
wait_for_previous
@@ -8,6 +11,7 @@
iodepth=1
size=10G
time_based
+ramp_time=5
runtime=30
# ---------------------------------------------------------------------