more improvements and fixes and new bugs
diff --git a/wally/suits/io/io_scenario_ceph.cfg b/wally/suits/io/io_scenario_ceph.cfg
new file mode 100644
index 0000000..5e793f2
--- /dev/null
+++ b/wally/suits/io/io_scenario_ceph.cfg
@@ -0,0 +1,62 @@
+[defaults]
+wait_for_previous
+group_reporting
+time_based
+buffered=0
+iodepth=1
+softrandommap=1
+filename={FILENAME}
+NUM_ROUNDS=7
+
+size=5G
+ramp_time=20
+runtime=20
+
+# ---------------------------------------------------------------------
+# check different thread count, direct read/write mode. (bw, iops) = func(th_count)
+# also check BW for seq read/write.
+# ---------------------------------------------------------------------
+[ceph_test_{TEST_SUMM} * {NUM_ROUNDS}]
+blocksize=1m
+rw=read
+direct=1
+offset_increment={PER_TH_OFFSET}
+numjobs={% 20, 120 %}
+
+# # ---------------------------------------------------------------------
+# # check different thread count, sync mode. (latency, iops) = func(th_count)
+# # ---------------------------------------------------------------------
+# [hdd_test_{TEST_SUMM} * {NUM_ROUNDS}]
+# blocksize=4k
+# rw=randwrite
+# sync=1
+# numjobs={% 1, 5, 10, 15, 20, 30, 40, 80, 120 %}
+#
+# # ---------------------------------------------------------------------
+# # check different thread count, direct read mode. (latency, iops) = func(th_count)
+# # also check iops for randread
+# # ---------------------------------------------------------------------
+# [hdd_test_{TEST_SUMM} * {NUM_ROUNDS}]
+# blocksize=4k
+# rw=randread
+# direct=1
+# numjobs={% 1, 5, 10, 15, 20, 30, 40, 80, 120 %}
+#
+# # ---------------------------------------------------------------------
+# # check different thread count, direct read/write mode. (bw, iops) = func(th_count)
+# # also check BW for seq read/write.
+# # ---------------------------------------------------------------------
+# [hdd_test_{TEST_SUMM} * {NUM_ROUNDS}]
+# blocksize=1m
+# rw={% read, write %}
+# direct=1
+# offset_increment=1073741824 # 1G
+# numjobs={% 1, 5, 10, 15, 20, 30, 40, 80, 120 %}
+#
+# # ---------------------------------------------------------------------
+# # check IOPS randwrite.
+# # ---------------------------------------------------------------------
+# [hdd_test_{TEST_SUMM} * {NUM_ROUNDS}]
+# blocksize=4k
+# rw=randwrite
+# direct=1