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Date: Thu, 15 Nov 2001 19:33:34 +0100 (CET)
From: Roy Sigurd Karlsbakk <roy@karlsbakk.net>
To: Joel Jaeggli <joelja@darkwing.uoregon.edu>
cc: <linux-kernel@vger.kernel.org>
Subject: Re: Linux i/o tweaking
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> I guess the question I'd ask would be what kinda number do you expect from
> the raid 5 stripe. 107MB/s sounds like a reasonable number from a two
> channel u160 controller...

I really don't know. My 'logical' mind told me I could get close-to
speed-per-disk * number-of-disks, but it might be wrong.

> my previous best is around 89MB/s with 4 cheetah 15K 18gb drives raid/0

I had 5 drives per SCSI bus and the controller was sitting alone on a
66MHz/64bit PCI hose.  I really can't see where the bottleneck is!

roy

--
Roy Sigurd Karlsbakk, MCSE, MCNE, CLS, LCA

Computers are like air conditioners.
They stop working when you open Windows.

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