Re: raid 1 vs raid 0+1

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On Tue, 2002-10-29 at 07:39, Adam Luter wrote:
> On Tue, Oct 29, 2002 at 07:16:26AM -0800, Stephen Lee wrote:
> Of course alternate conclusions are that my raid-5 array suffers from
> using two channels per drive (I know -- but when I put two promise
> cards they or linux has DMA problems) and that I'm still behind the
> pack when you throw 10krpm at me :) (2.2 seconds is nice!).

It's around 2.0 seconds if I direct stdout to /dev/null ;-)

I also have a system using a Promise raid controller with 2x7200rpm ide
drives in a raid1 configuration (AMD K7 1.4Gig, ext2, RH 2.4.2 kernel,
Promises proprietary driver) and the same test produced a speed of 2.6
seconds. 

Stephen


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