diff --git a/wally/suits/io/rrd_raw.cfg b/wally/suits/io/rrd_raw.cfg
index 2b0fc74..e7ca82d 100644
--- a/wally/suits/io/rrd_raw.cfg
+++ b/wally/suits/io/rrd_raw.cfg
@@ -1,6 +1,6 @@
 [test]
-blocksize=4k
-rw=randread
+blocksize=4m
+rw=write
 iodepth=1
 ramp_time=0
 runtime=120
@@ -17,5 +17,8 @@
 wait_for_previous=1
 per_job_logs=0
 randrepeat=0
-filename=/dev/sdb
-size=100G
\ No newline at end of file
+filename=/media/data/test.db
+size=50G
+;verify_pattern=0x00
+buffer_compress_percentage=99
+write_bw_log=/tmp/bw.non-compress.log