[global]
ioengine=libaio
direct=1
filename=/dev/fioa
iodepth=128
size=1G
loops=1
group_reporting=1
readwrite=read
do_verify=1
verify=md5
verify_fatal=1
numjobs=1
thread
bssplit=512/50:1M/50

[thread0]
offset=0G

[thread-mix0]
offset=4G
size=1G
readwrite=rw
bsrange=512:1M