On a slightly different note, I support a large san based off of HP EVA 
storage (~60tb) attached to a clustered GS320 running Tru64 Unix and another 
system HP GS1280) attached to the same fabric using an additional 24tb.  Also 
a system running HPUX (two RX8620's) also attached to about 48TB.  This is not 
a cheap solution an probably not what you are looking for, but we have tested 
RH AS4 with it and love the reliability and speeds we were getting from the 
EVA's ( a mix of EVA5000 (2gig/s) and EVA8000 (4gig/s) ).  What we hate is the 
footprint.  Others have mentioned 9tb in 1u.  These are large racks requiring 
220v power and lots of cooling.  The 60tb is in 5 cabinets (4 for disk and one 
for the san fabric) and the 24tb is in 3 cabs (smaller disks).  The 48tb is in 
3 cabs and has it's own rack for the switches.  All the above require an SMA 
(each) running Windows.

Real world: Great for speed, redundancy, and reliability.  High cost.

On Friday 17 April 2009 15:56:17 Stephen wrote:
> anyone here using a SAN and if so what are they using, maybe some of
> the points that sold you on it? or i fyou hate it why?
>
> it would be nic to have real world thoughts on it instead of all the
> markey speak...

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