From: | Andrew Sullivan <ajs(at)crankycanuck(dot)ca> |
---|---|
To: | pgsql-performance(at)postgresql(dot)org |
Subject: | Re: best use of an EMC SAN |
Date: | 2007-07-11 15:33:37 |
Message-ID: | 20070711153337.GO1241@phlogiston.dyndns.org |
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Lists: | pgsql-performance |
On Wed, Jul 11, 2007 at 09:03:27AM -0400, Dave Cramer wrote:
> Problem with dedicating the spindles to each array is that we end up
> wasting space. Are the SAN's smart enough to do a better job if I
> create one large metalun and cut it up ?
In my experience, this largely depends on your SAN and its hard- and
firm-ware, as well as its ability to interact with the OS. I think
the best answer is "sometimes yes".
A
--
Andrew Sullivan | ajs(at)crankycanuck(dot)ca
However important originality may be in some fields, restraint and
adherence to procedure emerge as the more significant virtues in a
great many others. --Alain de Botton
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