diff --git a/wally/suits/io/ceph.cfg b/wally/suits/io/ceph.cfg
index f38b37c..26aa65f 100644
--- a/wally/suits/io/ceph.cfg
+++ b/wally/suits/io/ceph.cfg
@@ -1,28 +1,19 @@
-[defaults]
-wait_for_previous=1
-group_reporting=1
-time_based=1
-buffered=0
-iodepth=1
-softrandommap=1
-filename={FILENAME}
-NUM_ROUNDS=7
-thread=1
-
-# this is critical for correct results in multy-node run
-randrepeat=0
+[global]
+include defaults.cfg
 
 NUMJOBS={% 1, 5, 10, 15, 40 %}
 NUMJOBS_SHORT={% 1, 2, 3, 10 %}
+TEST_FILE_SIZE=100G
 
-size=100G
+size={TEST_FILE_SIZE}
 ramp_time=15
 runtime=60
+NUM_ROUNDS=7
 
 # ---------------------------------------------------------------------
 # check different thread count, sync mode. (latency, iops) = func(th_count)
 # ---------------------------------------------------------------------
-[ceph_test_{TEST_SUMM} * {NUM_ROUNDS}]
+[ceph_test_{TEST_SUMM}]
 blocksize=4k
 rw=randwrite
 sync=1
@@ -31,7 +22,7 @@
 # ---------------------------------------------------------------------
 # direct write
 # ---------------------------------------------------------------------
-[ceph_test_{TEST_SUMM} * {NUM_ROUNDS}]
+[ceph_test_{TEST_SUMM}]
 blocksize=4k
 rw=randwrite
 direct=1
@@ -41,7 +32,7 @@
 # check different thread count, direct read mode. (latency, iops) = func(th_count)
 # also check iops for randread
 # ---------------------------------------------------------------------
-[ceph_test_{TEST_SUMM} * {NUM_ROUNDS}]
+[ceph_test_{TEST_SUMM}]
 blocksize=4k
 rw=randread
 direct=1
@@ -51,7 +42,7 @@
 # this is essentially sequential write/read operations
 # we can't use sequential with numjobs > 1 due to caching and block merging
 # ---------------------------------------------------------------------
-[ceph_test_{TEST_SUMM} * {NUM_ROUNDS}]
+[ceph_test_{TEST_SUMM}]
 blocksize=16m
 rw={% randread, randwrite %}
 direct=1