Re: SMP 2.1.131: SCSI performance extremely poor vs. IDE

Lawrence Walton (lawrence@otak-k.com)
Sat, 12 Dec 1998 20:29:43 -0800 (PST)


Hmm it was a hundred meg file, but I have X, Netscape and StarOffice5
running; fairly realworld.

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On 12 Dec 1998, Chris wrote:

> >>>>> "Lawrence" == Lawrence Walton <lawrence@otak-k.com> writes:
>
> Lawrence> I wonder about the bonnie benchmarking, but here is a
> Lawrence> SCSI benchmark with bonnie and a Symbios 875 and a 18
> Lawrence> barracuda, P233 and 128 megs of ram. Linux version
>
> Lawrence> How does this stack up? is it a SMP only thing?
>
> Just as a side note, bonnie benchmarks of a size less than several
> times RAM, are just a test of memory bandwidth, since a large portion
> gets cached. Try comparing those numbers to a 800 - 1000 meg test...
>
> Heck, I've seen read rates of over 50meg/sec off of some small
> tests ;) If you want to see some benchmarks to compare against look
> at the bonnie results at
>
> http://www.tec.ualberta.ca/Benchmarks/benchmarks.html
>
> HTH
>
> --
> Chris Bayly
>
> Email: cb@v-wave.com | UNIX Support
> Email: Chris.Bayly@UAlberta.CA | 352 General Services Building
> Phone: (403) 492-9344 | University of Alberta
> Fax: (403) 492-1729 | Edmonton, Alberta
> Web: http://www.tec.ualberta.ca/~cb/ | Canada T6G 2S7
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