diff --git a/tests/io_scenario_long_test.cfg b/tests/io_scenario_long_test.cfg
index b1a40d9..4b0a79d 100644
--- a/tests/io_scenario_long_test.cfg
+++ b/tests/io_scenario_long_test.cfg
@@ -1,6 +1,8 @@
 [defaults]
+
 # 24h test
-NUM_ROUNDS=288
+NUM_ROUNDS1=270
+NUM_ROUNDS2=261
 
 buffered=0
 wait_for_previous
@@ -13,7 +15,13 @@
 # ---------------------------------------------------------------------
 # check read and write linearity. oper_time = func(size)
 # ---------------------------------------------------------------------
-[24h_test * {NUM_ROUNDS}]
+[24h_test * {NUM_ROUNDS1}]
+blocksize=128k
+rw=randwrite
+direct=1
+runtime=30
+
+[24h_test * {NUM_ROUNDS2}]
 blocksize=128k
 rw=randwrite
 direct=1