[mpich-discuss] installing and using MPI_PUBLISH_NAME andMPI_LOOKUP_NAME with mpich2

[Bernard Secher - SFME/LGLS]

OK Dave, so why I get these error messages with hydraserver ?

bERNARD

Dave Goodell a écrit :
> Be aware that Leon's advise is exactly the opposite of what we (the MPICH2 developers) would recommend.  The mpd process manager is deprecated and we really don't support it anymore.
>
> -Dave
>
> On Jun 16, 2011, at 7:40 AM CDT, Bernard Secher - SFME/LGLS wrote:
>
>   
>> My test program work very well with opnempi, but I want to use mpich2 too, if it is possible...
>>
>> How can I use mpd  with mpich2 ?
>>
>> Leon Yuhanov a écrit :
>>     
>>> hey,ditch hydra. use mpd its easier for quick simple stuff. move onto lam-mpi or open-mpi after that.
>>>
>>>
>>> Bernard Secher - SFME/LGLS 
>>> <bernard.secher at cea.fr>
>>>  wrote:
>>>
>>> When I tried to use hydra_nameserver I get the followinf error message 
>>> when I launch my application:
>>>
>>> [secher at is209011 essai]$ [mpiexec at is209011] HYDU_sock_read 
>>> (/data/tmplgls/secher/mpich2-1.3.2p1-src/src/pm/hydra/utils/sock/sock.c:223): 
>>> read errno (Input/output error)
>>> [mpiexec at is209011] control_cb 
>>> (/data/tmplgls/secher/mpich2-1.3.2p1-src/src/pm/hydra/pm/pmiserv/pmiserv_cb.c:249): 
>>> assert (!closed) failed
>>> [mpiexec at is209011] HYDT_dmxu_poll_wait_for_event 
>>> (/data/tmplgls/secher/mpich2-1.3.2p1-src/src/pm/hydra/tools/demux/demux_poll.c:77): 
>>> callback returned error status
>>> [mpiexec at is209011] HYD_pmci_wait_for_completion 
>>> (/data/tmplgls/secher/mpich2-1.3.2p1-src/src/pm/hydra/pm/pmiserv/pmiserv_pmci.c:206): 
>>> error waiting for event
>>> [mpiexec at is209011] main 
>>> (/data/tmplgls/secher/mpich2-1.3.2p1-src/src/pm/hydra/ui/mpich/mpiexec.c:404): 
>>> process manager error waiting for completion
>>>
>>> What is wrong
>>>
>>> My application is just a little test program. I have attached it to this 
>>> message.
>>>
>>> Bernard
>>>
>>> Pavan Balaji a écrit :
>>>   
>>>
>>>       
>>>> [please keep mpich-discuss cc'ed]
>>>>
>>>> On 06/16/2011 02:18 AM, Bernard Secher - SFME/LGLS wrote:
>>>>     
>>>>
>>>>         
>>>>> How can I use the default publish mechanism? My Publish/lookup is
>>>>> hapenning between two different applications. Is there an option to give
>>>>> to mpiexec for that ?
>>>>>       
>>>>>
>>>>>           
>>>> Do you have a shared file-system? If yes, you don't need to modify 
>>>> anything. It should just work. If no, then read below:
>>>>
>>>>     
>>>>
>>>>         
>>>>> If I use the pmi option, the mpiexec -nameserver -help give the
>>>>> following message:
>>>>> -nameserver: Nameserver to use for publish/lookup (format is host:port)
>>>>>
>>>>> I don't understand what I have to do with this option.
>>>>> First I launch the hydra_nameserver . Do I give some options to
>>>>> hydra_nameserver ? Do I give some options then, to the two mpiexec to
>>>>> launch my two applications?
>>>>>       
>>>>>
>>>>>           
>>>> There are no options required for hydra_nameserver. The two mpiexec's 
>>>> will need the -nameserver {hostname} option, where {hostname} is the 
>>>> name of the host where the nameserver is running.
>>>>
>>>>  -- Pavan
>>>>
>>>>     
>>>>
>>>>         
>>>   
>>>
>>>       
>> -- 
>>        _\\|//_
>>       (' 0 0 ')
>> ____ooO  (_) Ooo______________________________________________________
>>  Bernard Sécher  DEN/DM2S/SFME/LGLS    mailto : 
>> bsecher at cea.fr
>>
>>  CEA Saclay, Bât 454, Pièce 114        Phone  : 33 (0)1 69 08 73 78
>>  91191 Gif-sur-Yvette Cedex, France    Fax    : 33 (0)1 69 08 10 87
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-- 

       _\\|//_
      (' 0 0 ')
____ooO  (_) Ooo______________________________________________________
 Bernard Sécher  DEN/DM2S/SFME/LGLS    mailto : bsecher at cea.fr
 CEA Saclay, Bât 454, Pièce 114        Phone  : 33 (0)1 69 08 73 78
 91191 Gif-sur-Yvette Cedex, France    Fax    : 33 (0)1 69 08 10 87
------------Oooo---------------------------------------------------
       oooO (   )
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        \ ( (_/
         \_)


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