RE: AACRAID failure with 2.6.13-rc1

[Mark Haverkamp]

On Mon, 2005-08-01 at 07:44 -0400, Salyzyn, Mark wrote:
> Yes, please put the workaround into 2.6.13!

I have re-submitted the patch that I sent a couple weeks ago to James
and the linus-scsi mailing list.

Mark.
> 
> Sincerely -- Mark Salyzyn
> 
> -----Original Message-----
> From: Andrew Morton [mailto:akpm@xxxxxxxx] 
> Sent: Friday, July 29, 2005 3:59 PM
> To: Salyzyn, Mark
> Cc: drab@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> markh@xxxxxxxx
> Subject: Re: AACRAID failure with 2.6.13-rc1
> 
> "Salyzyn, Mark" <mark_salyzyn@xxxxxxxxxxx> wrote:
> >
> > Martin may be overplaying the performance angle.
> > 
> > A previous patch took the adapter from 64K to 4MB transaction sizes
> > across the board. This caused Martin's adapter and drive combination
> to
> > tip-over. We had to scale back to 128KB sized transactions to get
> > stability on his system. All systems handled the 4MB I/O size in our
> > tests, but the tests that were done some time ago were not performed
> > with the latest kernel, which contributed to a change in testing
> > corners.
> 
> Confused.  The above appears to indicate that we should put the
> workaround
> into 2.6.13, yes?
> 
-- 
Mark Haverkamp <markh@xxxxxxxx>

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