Re: [ofa-general][PATCH 3/4] SRP fail-over faster

[David Dillow <dillowda-1Heg1YXhbW8@public.gmane.org>]

On Thu, 2009-10-22 at 19:33 -0400, David Dillow wrote:
> On Thu, 2009-10-22 at 19:13 -0400, Vu Pham wrote:
> > Jason Gunthorpe wrote:
> > > On Thu, Oct 15, 2009 at 03:25:15PM -0400, David Dillow wrote:
> > >> I use multipath with ALUA, and I don't mind if the link flaps a bit. 60
> > >> seconds is near my SCSI timeout of 77 seconds, so it doesn't buy me
> > >> much. I'd rather multipath be delivering traffic to the backup path than
> > >> sitting on its thumbs for 60 seconds doing nothing.
> 
> > > Certainly an enforced lower limit in the kernel is silly, and a
> > > per-device setting does make some sense.
> 
> > Here is the updated patch which implement the device_loss_timeout for 
> > each target instead of module parameter. It also reflects changes from 
> > previous feedbacks. Please review
> 
> Please put your patches inline for ease of reply...
> 
> You still seem to have a 30 second minimum timeout, and no way to
> disable it altogether.

And if I could read a patch, I'd notice that that was not a minimum, but
a default. Still, I have to have a 1 second timeout with no way to
disable entirely. Better, but...
-- 
Dave Dillow
National Center for Computational Science
Oak Ridge National Laboratory
(865) 241-6602 office


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