Re: Aacraid - terrible performance on RHES3 pedge 2450

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On Mon, Oct 25, 2004 at 08:28:47AM -0400, Salyzyn, Mark wrote:
> Vary_io may be the reason for this.
> 
> The driver needs to have .vary_io set to 1.
> 
> There are no kernel clues to its existence (that I know of), but the
> driver has an SCSI_HAS_VARY_IO to enable. Our build system will produce
> correct binaries, but the DKMS tool does not differentiate.
> 
> There is a need to ship a different driver source in the DKMS package
> for RHEL3 as a result (Add a #define SCSI_HAS_VARY_IO in the aacraid.h
> file).

We could do this easily in DKMS with its PATCH_MATCH mechanism, making
it match RHEL kernel names and apply the patch only then which sets
.vary_io=1.

-- 
Matt Domsch
Sr. Software Engineer, Lead Engineer
Dell Linux Solutions linux.dell.com & www.dell.com/linux
Linux on Dell mailing lists @ http://lists.us.dell.com
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