Re: Linux i/o tweaking

Roy Sigurd Karlsbakk (roy@karlsbakk.net)
Thu, 15 Nov 2001 19:33:34 +0100 (CET)

> 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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