Re: advice on raid controller

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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