#!/bin/bash -x die() { echo $@ exit 1 } timer_fail() { echo "timer expired: tiobench has timed out." exit 1 } which tiotest || die "you must install the tiobench package" trap timer_fail ALRM pid=$$ ( sleep 420 ; kill -14 $pid ) & for i in `seq 1 10`; do tiotest -f 20 -t 10 -d . -T -c -D 20 -r 1000 || die "tiotest failed" done echo OK.