> I recently set up a NAS box for a customer, using a Promise chassis and 15
> 250GB drives, which resulted in 3.25TB real useful space and cost a total
> of $6,000 (overall cost per GB: $1.85). These numbers include a hot spare
> drive and the parity drive, so only 13 drives are "useful" and the box
> should be really, really, really reliable.

This is true, but there is one problem in the disaster recovery universe
that it does not resolve:  offsite storage.  If your backups are routinely
kept in the same place as your servers, and you have a catastrophic event,
you will have lost your data forever.

Now, if your NAS is on the other end of a fast fiber connection a couple of
miles down the road.... ;)

Ben


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