#!/bin/bash for size in 500m 1g 10g do for bs in 16k 32k 64k 128k 256k 512k do echo "Filesize - $size, blksize - $bs" RSH="ssh" iozone -t 4 -i 0 -i 1 -r $bs -s $size -+m iconf -b iozone.$bs-$size.xls sleep 10 done done