Thank you explicitly setting the interface like below has resolved this.
Thanks,
Dean
> On 28 Nov 2020, at 10:27, Gilles Gouaillardet via users
> wrote:
>
> Dean,
>
> That typically occurs when some nodes have multiple interfaces, and
> several nodes have a similar IP on a private/unused
Dean,
That typically occurs when some nodes have multiple interfaces, and
several nodes have a similar IP on a private/unused interface.
I suggest you explicitly restrict the interface Open MPI should be using.
For example, you can
mpirun --mca btl_tcp_if_include eth0 ...
Cheers,
Gilles
On Fr
Hi,
I am trying to set up some machines with OpenMPI connected with ethernet to
expand some batch system we already have in use.
This is controlled with Slurm already and we are able to get a basic MPI
program running across 2 of the machines but when I compile and something that
actually pe