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Subject: Re: [OMPI users] mpiexec option for node failure
From: Reuti (reuti_at_[hidden])
Date: 2011-09-13 04:38:42


Am 13.09.2011 um 02:43 schrieb Ralph Castain:

> We don't have anything similar in OMPI. There are fault tolerance modes, but not like the one you describe.

You can join mpi3-ft at http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-ft, there is also an archive http://lists.mpi-forum.org/mpi3-ft/ which covers fault tolerance.

I was pointed to it here http://www.open-mpi.org/community/lists/users/2011/01/15440.php

-- Reuti

> On Sep 12, 2011, at 5:52 PM, Rob Stewart wrote:
>
>> Hi,
>>
>> I have implemented a simple fault tolerant ping pong C program with MPI, here: http://pastebin.com/7mtmQH2q
>>
>> MPICH2 offers a parameter with mpiexec:
>> $ mpiexec -disable-auto-cleanup
>>
>> .. as described here: http://trac.mcs.anl.gov/projects/mpich2/ticket/1421
>>
>> It is fault tolerant in the respect that, when I ssh to one of the nodes in the hosts file, and kill the relevant process, the MPI job is not terminated. Simply, the ping will not prompt a pong from the dead node, but the ping-pong runs forever on the remaining live nodes.
>>
>> Is such an feature available for openMPI, either via mpiexec or some other means?
>>
>>
>> --
>> Rob Stewart
>> _______________________________________________
>> users mailing list
>> users_at_[hidden]
>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>
>
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