[global]
runtime=120
ioscheduler=cfq
size=2G
ioengine=sync
rw=write
file_service_type=random:256
overwrite=1

[sdb1]
directory=/mnt/b1
nrfiles=10
numjobs=4

[sdb2]
directory=/mnt/b2
nrfiles=10
numjobs=4