[Wien] pbs_tmrsh x ssh

[Luis Ogando]

Hi Prof. Marks, Gavin and others,

   Wien2k is finally running in more than one node without ssh.
   My steps:

1) I rebuilt the OpenMPI wrappers with  --with-tm  option in configure.
This should work for PBS Pro , Open PBS and Torque (
see   http://www.open-mpi.org/faq/?category=building#build-rte-tm   ).

2) I "believe" that this will influence only mpirun, but, in any case, I
recompiled FFTW and Wien2k with the "new" wrappers.

3) As it is advised not to use pbs_tmrsh when OpenMPI is built
with --with-tm option, I set USE_REMOTE to 0 in the parallel_options file.
This avoids ssh or equivalent commands during Wien2k execution.

   The only issue is that if I want to use -it and a combination of K-point
and MPI parallelizations, I have to set the scratch to the local directory.
   I hope that this information may be useful for others.
   All the best,
                Luis


2014-07-24 8:45 GMT-03:00 Luis Ogando <lcodacal at gmail.com>:

> Hi,
>
>    Another link that can be useful is:
>
> http://www.open-mpi.org/faq/?category=building#build-rte-tm
>
>    Anyway, I will try it and let you know the results.
>    All the best,
>                  Luis
>
>
>
> 2014-07-23 18:30 GMT-03:00 Gavin Abo <gsabo at crimson.ua.edu>:
>
>>  It seems to me that pbs_tmrsh is only available on systems that have
>> PBS Professional.
>>
>> There is information about it in the PBS Professional support
>> documentation (Reference Guide and User Guide) on Altair's PBS Works
>> website:
>>
>>
>> http://www.pbsworks.com/(S(k4q1hy4krq5yn3rw0qjyvcmg))/SupportDocuments.aspx
>>
>> I would say replace ssh by pbs_tmrsh in siteconfig and see what happens;
>> either it works as an ssh replacement or it doesn't.
>>
>>
>> On 7/23/2014 2:43 PM, Laurence Marks wrote:
>>
>> Hint: "man pbs_tmrsh". I don't have it, and in fact I cannot find a web
>> page with it anywhere. If you can find a link post it?
>>
>>
>> On Wed, Jul 23, 2014 at 3:07 PM, Luis Ogando <lcodacal at gmail.com> wrote:
>>
>>>  Dear Wien2k community,
>>>
>>>
>>>     SSH is forbidden in my computation center due to misuse.
>>>    I tried the "hopen" suggestion given by Prof. Marks to circumvent the
>>> ssh use without success.
>>>    By now, I am only able to use one cluster node each time (as in a SMP
>>> machine), but the guys from computation center said that pbs_tmrsh could be
>>> a possible alternative to ssh among the nodes.
>>>    Well, I would like to know if someone has any experience in using
>>> pbs_tmrsh with Wien2k. Any hint or advice ?
>>>    All the best,
>>>                  Luis
>>>
>>
>>
>>
>>  --
>> Professor Laurence Marks
>> Department of Materials Science and Engineering
>> Northwestern University
>> www.numis.northwestern.edu 1-847-491-3996
>> Co-Editor, Acta Cryst A
>> "Research is to see what everybody else has seen, and to think what
>> nobody else has thought"
>> Albert Szent-Gyorgi
>>
>>
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>
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