Re: Tim Gorman's "...Cost-Based Optimizer.doc"
- From: Wolfgang Breitling <breitliw@xxxxxxxxxxxxx>
- To: mgogala@xxxxxxxxxxxxxxxxxxxx
- Date: Thu, 16 Jun 2005 12:22:07 -0600
I was told IBM's ESS (Shark) is capable of that too. Not sure if it
really does.
It doesn't actually require much "intelligence" (I'd say even less than
Geraldo) to pre-fetch the next stripe size whenever full stripe size
chunk requests are received.
Whether that is "smart" is a different question.
Mladen Gogala wrote:
> Now, that would only be possible if your SAN apparatus is more
> intelligent then Geraldo Rivera. Not that it's very hard,
> but the only type of SAN device that can recognize patterns is EMC
> Symmetrix (the very top of the line) and they are
> prohibitively expensive.
>
--
Regards
Wolfgang Breitling
Centrex Consulting Corporation
www.centrexcc.com
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