需根據自己的環境修改相應的值
cat testiscsi.sh
#!/bin/bash
workd='/home/vdbench050406'
sdnum=1
hdnum=1
threadnum=8
seekpct=100
rdpct=70
xfersize=8k
iorate=max
elapse=68400
maxdata=1000g
interval=5
name=multihost-${xfersize}-${seekpct}.file
echo "hd=default,vdbench=${workd},user=root,shell=ssh" >> ${name}
echo "hd=hd1,system=" >>${name}
echo "hd=hd2,system=" >>${name}
#echo "hd=hd3,system=" >>${name}
#echo "hd=hd4,system=" >>${name}
#echo "hd=hd5,system=" >>${name}
#echo "hd=hd6,system=" >>${name}
for dev in $(ls -l /dev/disk/by-path/ |grep iscsi|awk '{print $9}')
do
echo "sd=sd${sdnum},hd=hd${hdnum},lun=/dev/disk/by-path/${dev},openflags=o_direct,threads=${threadnum}" >>${name}
((sdnum=sdnum+1))
done
echo "wd=wd1,sd=sd*,seekpct=${seekpct},rdpct=${rdpct},xfersize=${xfersize}" >>${name}
echo "rd=rd1,wd=wd*,iorate=${iorate},elapse=${elapse},maxdata=${maxdata},interval=${interval},warmup=30" >>${name}