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Subject: Re: [OMPI users] openMPI on Xgrid
From: Ralph Castain (rhc_at_[hidden])
Date: 2010-03-29 15:39:09


On Mar 29, 2010, at 1:34 PM, Cristobal Navarro wrote:

> thanks for the information,
>
> but is it possible to make it work with xgrid or the 1.4.1 version just dont support it?
>
>

I'm afraid it just doesn't support it - we made the support compile, but we have no way to test/debug the operation, so it is turned "off".

>
>
> On Mon, Mar 29, 2010 at 3:07 PM, Ralph Castain <rhc_at_[hidden]> wrote:
> Our xgrid support has been broken for some time now due to lack of access to a test environment. So your system is using rsh/ssh instead.
>
> Until we get someone interested in xgrid, or at least willing to debug it and tell us what needs to be done, I'm afraid our xgrid support will be lacking.
>
>
> On Mar 29, 2010, at 12:56 PM, Cristobal Navarro wrote:
>
>> Hello,
>> i am new on this mailing list!
>> i've read the other messages about configuring openMPI on Xgrid, but i havent solved my problem yet and openMPI keeps running as if Xgrid didnt exist.
>>
>> i configured xgrid properly, and can send simple C program jobs trough the command line from my client, which is the same as the controller and the same as the agent for the moment.
>> >> xgrid -h localhost -p pass -job run ./helloWorld
>> i also installed xgrid Admin for monitoring.
>>
>> then,
>> i compiled openMPI 1.4.1 with these options
>>
>> /configure --prefix=/usr/local/openmpi/ --enable-shared --disable-static --with-xgrid
>> sudo make
>> sudo make install
>>
>> and i made a simple helloMPI example.
>>
>>
>> /* MPI C Example */
>> #include <stdio.h>
>> #include <mpi.h>
>>
>> int main (argc, argv)
>> int argc;
>> char *argv[];
>> {
>> int rank, size;
>>
>> MPI_Init (&argc, &argv); /* starts MPI */
>> MPI_Comm_rank (MPI_COMM_WORLD, &rank); /* get current process id */
>> MPI_Comm_size (MPI_COMM_WORLD, &size); /* get number of processes */
>> printf( "Hello world from process %d of %d\n", rank, size );
>> MPI_Finalize();
>> return 0;
>> }
>>
>> and compiled succesfully
>>
>> >> mpicc hellompi.c -o hellompi
>>
>> the i run it
>>
>> >> mpirun -np 2 hellompi
>> I am running on ijorge.local
>> Hello World from process 0 of 2
>> I am running on ijorge.local
>> Hello World from process 1 of 2
>>
>> the results are correct, but when i check Xgrid Admin, i see that the execution didnt go trought Xgrid since there arent any new jobs on the list.
>> in the end, openMPI and Xgrid are not comunicating to each other.
>>
>> what am i missing??
>>
>> my enviroment variables are these:
>>
>> >>echo $XGRID_CONTROLLER_HOSTNAME
>> ijorge.local
>> >>echo $XGRID_CONTROLLER_PASSWORD
>> myPassword
>>
>>
>> any help is welcome!!
>> thanks in advance
>>
>> Cristobal
>>
>>
>> _______________________________________________
>> users mailing list
>> users_at_[hidden]
>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>
>
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