performance issues: linux aic7xxx, 29160, Radion IFT-7200

[Justin T. Gibbs]

>Hello Justin,
>
>We are experiencing some performance issues with our external Radion
>raid device and the "new" aic7xxx drivers in linux kernel 2.4.x when
>compared with either 2.2.x kernels or 2.4.x kernels using the
>aic7xxx_old driver. Our hardware:

My guess is that your Radion does not like high queue depths.  Try
lowering the queue depth of the aic7xxx driver (8 was the default
in the old driver, the new driver will do up to 254).

--
Justin

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