From: | Ron Johnson <ron(dot)l(dot)johnson(at)cox(dot)net> |
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To: | PgSQL Performance ML <pgsql-performance(at)postgresql(dot)org> |
Subject: | Re: advice on raid controller |
Date: | 2003-09-27 19:53:51 |
Message-ID: | 1064692431.24519.59.camel@haggis |
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Lists: | pgsql-performance |
On Sat, 2003-09-27 at 12:24, Richard Jones wrote:
> Hi, i'm on the verge of buying a "MegaRAID SCSI 320-2" raid controller.
> I need it to build a db server using 4x ultra320 scsi disks
> i'm thinking raid 1+0 but will try with raid5 too and compare
>
> Does anyone have any experience with this model, good or bad i'd like to
> know.. thanks :)
>
> as seen:
> http://uk.azzurri.com/product/product.cgi?productId=188
I don't see anything on that page regarding RAM cache. It's been
my experience that RAID 5 needs a *minimum* of 128MB cache to have
good performance.
--
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Ron Johnson, Jr. ron(dot)l(dot)johnson(at)cox(dot)net
Jefferson, LA USA
Why is cyber-crime not being effectively controlled? What is
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* Parental apathy & the public education system
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