root@host [/]# du -a / | sort -n -r | head -n 10
du: `/proc/25717': No such file or directory
11049493        /
6256048 /home
3319824 /usr
3179800 /home/backup-2.21.2008_16-24-17_romantic
3175808 /home/backup-2.21.2008_16-24-17_romantic/homedir
3152748 /home/backup-2.21.2008_16-24-17_romantic/homedir/tmp
3152716 /home/backup-2.21.2008_16-24-17_romantic/homedir/tmp/webalizer
3152536 /home/backup-2.21.2008_16-24-17_romantic/homedir/tmp/webalizer/dns_cache.db
2152768 /usr/local
1031428 /var