Re: BINARIES - San or Local Storage
- From: Robert Eskridge <bryny@xxxxxxxxxxx>
- To: "Duret, Kathy" <oracle-l@xxxxxxxxxxxxx>
- Date: Thu, 26 Aug 2004 17:08:03 -0500
D> We are in the process of moving to 10G and getting a new SAN EMC Clarion
D> Storage Array. We also MAY be going to RAC. These are Solaris Boxes
D> The question is I have read conflicing things about whether to put the
D> binaries on the local internal disks or the SAN arrays.
D> I have always put the binaries on the local internal disk. What do you do
D> and why?
D> Is the local reads for the binaries that much quicker?
We use Sun and NetApp filers as NAS in a majorly TP environment, but
the discussion is the same.
We keep the full Oracle install on local disks. Our load on the local
disks is pretty minimal, suggesting that the load generated accessing
the binaries is trivial. And that suggests that from a performance
standpoint, it really doesn't matter where they live in our
environment.
We made the decision to keep them on local drives on each server so
that we could make a server stand alone with small local datafiles if
we ever needed to. Occasionally it has come in handy but not enough
that I would get up on a soapbox and suggest others should do the
same.
The storage vendor is certainly going to suggest that you put
everything on his equipment -- it can push you to buy more capacity.
So ignore the vendor and see how it really fits into your overall
operational strategy of product, recovery, testing, etc.
-rje
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