Is the term you are looking for MTBF (Mean Time Between Failures?) On Wed, Jul 9, 2008 at 9:49 AM, Dennis Williams < oracledba.williams@xxxxxxxxx> wrote: > Tom, > > The one thing I didn't see in your list is your reliability/downtime > requirements. A SAN is a critical, expensive, shared resource, so any > downtime has wide-ranging effects. There is a SAN term for this which I > can't recall at the moment, but basically you are asking whether the SAN has > to go offline for any reason, such as maintenance, upgrades, etc. You can > save a lot of money if your requirements aren't so critical, but then you > may suffer more downtime. > > Dennis Williams > > > -- Andrew W. Kerber 'If at first you dont succeed, dont take up skydiving.'