diff --git a/wally/suits/io/hdd.cfg b/wally/suits/io/hdd.cfg
index 95c8cec..eff64cd 100644
--- a/wally/suits/io/hdd.cfg
+++ b/wally/suits/io/hdd.cfg
@@ -1,44 +1,23 @@
 [global]
-include defaults.cfg
+include defaults_qd.cfg
 
-# NUMJOBS={% 1, 5, 10, 15, 20, 30, 40, 80 %}
-
-NUMJOBS={% 1, 5, 10, 15, 25, 40 %}
-
-ramp_time=30
-runtime=120
-
+QD={% 1, 2, 4, 8, 16, 32, 64 %}
+runtime=300
 direct=1
 
 # ---------------------------------------------------------------------
-# check different thread count, sync mode. (latency, iops) = func(th_count)
+# check different thread count, direct read mode. (latency, iops) = func(QD)
 # ---------------------------------------------------------------------
 [hdd_{TEST_SUMM}]
 blocksize=4k
-rw=randwrite
-sync=1
-numjobs={NUMJOBS}
+rw={% randread, randwrite %}
+iodepth={QD}
 
 # ---------------------------------------------------------------------
-# check different thread count, direct read mode. (latency, iops) = func(th_count)
-# also check iops for randread
-# ---------------------------------------------------------------------
-[hdd_{TEST_SUMM}]
-blocksize=4k
-rw=randread
-numjobs={NUMJOBS}
-
-# ---------------------------------------------------------------------
-# No reason for th count > 1 in case of sequantial operations
+# No reason for QD > 1 in case of sequential operations
 # ot they became random
 # ---------------------------------------------------------------------
 [hdd_{TEST_SUMM}]
 blocksize=1m
 rw={% read, write %}
-
-# ---------------------------------------------------------------------
-# check IOPS randwrite.
-# ---------------------------------------------------------------------
-[hdd_{TEST_SUMM}]
-blocksize=4k
-rw=randwrite
+iodepth=1