An rsync backup script which has been modified to work with OS X Lion. This was written for a file server running Lion (the latest OS supported by the hardware) because Spotlight simply refused to cooperate.
Edit /etc/crontab to contain: daily root /usr/local/sbin/rsync_backup source/ dest/
If you are backing up your boot volume your source must end with a slash, i.e. /Volumes/Macintosh\ HD/