With the wide availability of cheap backup services like backblaze, this nas building nonsense is a complete waste of time.<p>I have 3-4 direct attach usb and FireWire disks. One is a working disk, one backup, the rest for various things.<p>If one of the working disks fails, I have a local backup. If they all fail, call backblaze.<p>In all cases, I avoid wasting time and money setting up ersatz infrastructure that in reality is less reliable and more expensive than the simple solution.