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Subject: Re: [OMPI users] OrangeFS ROMIO support
From: Ralph Castain (rhc_at_[hidden])
Date: 2014-02-28 15:20:05


Did you see the note I forwarded to you about SLES issues? Not sure if that is on your side or ours

On Feb 28, 2014, at 12:05 PM, Latham, Robert J. <robl_at_[hidden]> wrote:

> On Wed, 2014-02-26 at 17:14 -0600, Edgar Gabriel wrote:
>> that was my fault, I did not follow up the time, got probably side
>> tracked by something. Anyway, I suspect that you actually have the
>> patch, otherwise the current Open MPI trunk and the 1.7 release series
>> would not have the patch after the last ROMIO update - at least I did
>> not reapply it, not sure whether Nathan did.
>
> Well, thanks for apologizing for not following up. I was about to get
> good and angry, but you've taken away my righteous fury! :>
>
> I've gone through six years worth of OpenMPI romio changes: everything
> since
> r16693 | adi | 2007-11-08 06:54:48 -0600 (Thu, 08 Nov 2007) | 2 lines
>
> and picked up a few changes. I'm sure everyone will be happy that I
> found the "fix a catamount build warning" change, that was never sent
> upstream to us :> . Do you know of any other old patches I should
> look at?
>
> I've also done a diff of the two source trees. OpenMPI ROMIO is
> missing
> - some Blue Gene fixes (probably not relevant?)
> - some large-datatype processing fixes (probably more interesting).
> - better (any) handling of retrying write(2) and read(2) system calls
> when they return less than requested
> - better memory cleanup in error cases
> - a configure-time check for the need for constification of bindings.
> (not relevant: openmpi is constified)
> - external32 support routines (but external32 is only "mostly there".
> Dave knows the details)
> -
>
> I saw mentions in the SVN logs of a pending "updated PanFS driver" but
> that was several years ago, and the two drivers are the same right now.
> Is there a secret PanFS repository I should raid?
>
> There are still a good deal of Ompi-specific changes that I don't want
> to pull into ROMIO, especially anything dealing with the build system.
>
> I should bring this up on openmpi-devel, but I pushed these changes to a
> review branch:
> http://git.mpich.org/mpich-dev.git/shortlog/refs/heads/romio_sync_from_ompi
>
> ==rob
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