Re: SW-RAID0 Performance problems

From: Andreas Peter (ujq7@rz.uni-karlsruhe.de)
Date: Fri Apr 13 2001 - 11:28:58 EST


Am Freitag, 13. April 2001 18:01 schrieb Jakob Østergaard:

> I can't say much about this... It looks like your setup is perfectly
> allright, and the performance *should* go up. Instead it looks like you
> get a small performance drop from using the RAID. Most odd.
>
> Do you have more controllers in the machine ? If so could you try to move
> eg. hdc to the second controller ? The only thing I can imagine being the
> cause of the poor performance is, if your controller somehow doesn't handle
> both channels very well simultaneously. It's far fetched, but it's the
> only suggestion I can think of.

The Board ist a Gigabyte 6BXDS (BX-Chipset) and 2 Celeron 533
I think the hardware is ok.

> I usually get a good speedup from using RAID-0 on 2.4.3 with IDE. Both
> with two disks and with six. This is with Intel PIIX4 and Promise 20262
> controllers.

Andreas

-- 
Andreas Peter *** ujq7@rz.uni-karlsruhe.de

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