Where is the option 'default-hostfile' described?
It does not appear in mpirun's man page (for v. 1.4.2)
and i couldn't find anything like that with googling.

Jody

On Wed, Oct 27, 2010 at 4:02 PM, Ralph Castain <r...@open-mpi.org> wrote:
> Specify your hostfile as the default one:
>
> mpirun --default-hostfile ./Cluster.hosts
>
> Otherwise, we take the default hostfile and then apply the hostfile as a 
> filter to select hosts from within it. Sounds strange, I suppose, but the 
> idea is that the default hostfile can contain configuration info (#sockets, 
> #cores/socket, etc.) that you might not want to have to put in every hostfile.
>
>
> On Oct 27, 2010, at 7:51 AM, Stefan Kuhne wrote:
>
>> Hello,
>>
>> my Cluster has a configured default hostfile.
>>
>> When i use another hostfile for one job i get:
>>
>> cluster-admin@Head:~/Cluster/hello$ mpirun --hostfile ../Cluster.hosts
>> ./hello
>> --------------------------------------------------------------------------
>> There are no allocated resources for the application
>>  ./hello
>> that match the requested mapping:
>>  ../Cluster.hosts
>>
>> Verify that you have mapped the allocated resources properly using the
>> --host or --hostfile specification.
>>
>> ...
>>
>> Any ideas for it?
>>
>> Regards,
>> Stefan Kuhne
>>
>> _______________________________________________
>> users mailing list
>> us...@open-mpi.org
>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>
>
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