seagate cheetah LVD

[Justin T. Gibbs]

In article <35C5EDE4.1C6724E at egel2.med.umn.edu> you wrote:
> hi,
>     after finally getting my 2940u2w to work under linux I found that
> there is absolutely no improvement over my AIC-7895 (on board).  I am
> getting only 18 mb/s sustained.  I talked to the seagate people and they
> said this is normal.  But I know I can get faster because the cheetah on
> the sgi octane does about 30-40 mb/s.  Is there any way of getting
> faster than 18 mb/s?

30-40MB/s for reads or writes?  If you do the math (rotational speed plus
media density), the drive simply can't go faster than ~18MB/s, so the
Octane must either have a lots of memory dedicated to a write buffer, or
you are reading data that the SGI's VM system already has in core.

--
Justin

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