[mpich-discuss] Error running with hydra

[Gaetano Bellanca]

Dear Pavan,

I successfully compiled the r-7564 and it works!
I'm going to use this version of mpiexec.

Thanks a lot for your immediate help!

Regards.

Gaetano

Il 10/12/2010 13:40, Pavan Balaji ha scritto:
> Hydra should work fine with the "<  /dev/null" redirection as well. I just tried it with trunk and it seems to work fine.
>
> Can you try out the nightly snapshot to make sure this is OK on trunk? http://www.mcs.anl.gov/research/projects/mpich2/downloads/tarballs/nightly/hydra
>
>   -- Pavan
>
> --
> Pavan Balaji
> http://www.mcs.anl.gov/~balaji
>
> ----- Original Message -----
>> Dear Pavan,
>>
>> this is my command for mpiexec.hydra:
>>
>> mpiexec.hydra -bootstrap ssh -f machinefile -n 4 ./3dfdtd>  run.txt<
>> /dev/null
>>
>> and this is the one for mpd:
>>
>> mpiexec -machinefile machinefile -n 4 ./3dfdtd>  run.txt<  /dev/null
>>
>> I have been able to have the code running with hydra removing the<
>> /dev/null at the end of the script, that was added by one of my
>> students
>> (I don't know why).
>> It seems to create some problems with hydra, but not with mpd.
>>
>> We need to change from mpd (we use to run it at boot time as root) to
>> hydra because mpd daemons sometimes die without reasons on the slave
>> machines on this system (where we are using scientific linux). All is
>> regularly working with mpd on another cluster running ubuntu server
>> 10.04.
>>
>> Regards.
>>
>> Gaetano
>>
>>
>> Il 10/12/2010 13:12, Pavan Balaji ha scritto:
>>> What is the *exact* command you gave?
>>>
>>>    -- Pavan
>>>
>>> --
>>> Pavan Balaji
>>> http://www.mcs.anl.gov/~balaji
>>>
>>> ----- Original Message -----
>>>> Hi,
>>>> I'm having problems running a simulation with hydra.
>>>> By submitting a job to a queue system (pbs) with the command:
>>>>
>>>> mpiexec-hydra -bootstrap ssh -f machinefile -n number_of_processors
>>>> name_exec
>>>>
>>>> I'm receiving this message:
>>>> HYDU_create_process (./utils/launch/launch.c:69): execvp error on
>>>> file
>>>> 4
>>>> (Permission denied).
>>>>
>>>> The same code works on the same system using mpd .
>>>>
>>>> Any idea?
>>>>
>>>> Best regards.
>>>>
>>>> Gaetano
>>>> _______________________________________________
>>>> mpich-discuss mailing list
>>>> mpich-discuss at mcs.anl.gov
>>>> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss
>> --
>> Gaetano Bellanca - Department of Engineering - University of Ferrara
>> Via Saragat, 1 - 44122 - Ferrara - ITALY
>> Voice (VoIP): +39 0532 974809 Fax: +39 0532 974870
>> mailto:gaetano.bellanca at unife.it
>>
>> Costituzione della Repubblica - Art. 9.
>> La Repubblica promuove lo sviluppo della cultura e la ricerca
>> scientifica e tecnica.
>> Tutela il paesaggio e il patrimonio storico e artistico della Nazione.
>

-- 
Gaetano Bellanca - Department of Engineering - University of Ferrara
Via Saragat, 1 - 44122 - Ferrara - ITALY
Voice (VoIP): +39 0532 974809 Fax: +39 0532 974870
mailto:gaetano.bellanca at unife.it

Costituzione della Repubblica - Art. 9.
La Repubblica promuove lo sviluppo della cultura e la ricerca scientifica e tecnica.
Tutela il paesaggio e il patrimonio storico e artistico della Nazione.