Re: Netapps vs EMC -- db file scattered read

"DA Morgan" <damorgan_at_x.washington.edu> wrote in message news:41f042df$1_2_at_127.0.0.1...
> jmourik_at_yahoo.com wrote:
>
> > Randy Harris wrote:
> >
> >>>Is the EMC SAN and the NetApps NAS?
> >
> > Yes, it is.
> > BTW, this is just one query but it's symptomatic...
> >
> > jan
>
> SAN vsNAS is part of the explanation but hardly explains the
> entire delta.
>
> 1. What else is going on with the storage arrays?
> 2. Is one fiber and the other copper?
> 3. What switches?
> 4. Anything else on the NAS network?
> 5. Are they all 10K or 15K drives with the same number of spindles?
> 6. Have you benchmarked no-database access to the drives from the server?
>
> Testing by Oracle Corp. intself has shown SAN faster than NAS
> but not by anything even remotely resembling what you cite.

Daniel, are those results published somewhere? I've read some things from various NAS manufacturers but am skeptical of what they publish.

> I suspect you are comparing apples to durian: Both fruit but that's
> pretty much where the resemblence ends.
>
> I'd be interested in knowing more.
> --
> Daniel A. Morgan
> University of Washington
> damorgan_at_x.washington.edu
> (replace 'x' with 'u' to respond)
Received on Thu Jan 20 2005 - 18:12:01 CST