RE: Alternatives to Directly Attached Disk - NAS or SAN ?

Hi John !
Unfortunately , i can't add to the discussion yet, i juts know much less than you do.
Therefore , i'd be interested in some URLs / papers on the matter. Thanks a lot !

-----Original Message-----
Sent: Tue, May 14, 2002 3:18 PM
To: DBA Forum (E-mail); 'andreyb_at_elrontelesoft.com'

Andrey,

The vendors we're talking to are:-

o For DAS - we're putting a quote together ourselves. No a "serious" option but it gives a starting point and includes all options o For SAN we're talking to Sun (T3s) and HP and IBM (in that order) o For NAS we're talking to Net Apps and Auspex

Oracle certification gives some comfort (otherwise we could consider 100's of other NAS suppliers). I've now spent a day looking at the "NAS Vs SAN" story, and found highly conflicting opinion of the type:-

o SAN is best for database use.
o NAS just doesn't cut it for RDBMS applications o NAS using Direct Attached Storage (Software protocol) and dedicated gigabyte connection using fibre channel make it fine for 1000 user database applications
o NAS runs faster than directly attached disk

I'd be interested if you could add to the discussion.

John R

-----Original Message-----
Sent: 14 May 2002 10:50
To: LazyDBA.com Discussion

John , would you mind telling which NAS and SAN solutions have you looked at or been pointed to by the list,
and which approach / vendor / product is the leader so far ?

DBAndrey

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