On 12/11/10 9:29 AM, Rafa Grimán wrote: > > What about a DIY NAS with an off the shelf server and storage array? and how do you avoid single-point-of-failure? if that COTS goes down, your storage is offline, and you've lost any writes in progress. enterprise storage has fully redundant *everything*, a dual filer HA NetApp box will not even blink if any subsystem fails. cached write data is mirrored in both controllers so if one controller croaks, the other can flush the buffers for it, and client storage connections continue without a hiccup. yes, you pay for this.