#!/bin/sh

DEV=/dev/sdb
MPT=/mnt/disk
PARAM="60:10 120:20 240:30 480:40 600:50 1200:80 2400:120"

# DEBUG=echo

for p in $PARAM; do
	t=`echo $p | awk -F: '{print $1}'`
	n=`echo $p | awk -F: '{print $2}'`

	BEG=`date +%s`
	echo "*** t: $t n: $n"
	$DEBUG mkfs.reiserfs -qf $DEV 2>/dev/null
	$DEBUG mount -t reiserfs -o noatime,user_xattr $DEV $MPT
	$DEBUG grep $DEV /proc/mounts
	$DEBUG dbench -x -t $t -D $MPT $n
	$DEBUG umount $MPT
	END=`date +%s`
	echo "*** Finished after `expr $END - $BEG` seconds."
	echo
done