Re: [OMPI users] No network interfaces were found for out-of-band communications.

2018-09-12 Thread Ralph H Castain
Just looking at the code, we do require that at least the loopback device be available. So you need to “activate” the Ethernet support, but you can restrict it to only loopback, which should meet your security requirement. > On Sep 12, 2018, at 8:10 AM, Jeff Squyres (jsquyres) via users > wro

Re: [OMPI users] No network interfaces were found for out-of-band communications.

2018-09-12 Thread Jeff Squyres (jsquyres) via users
Can you send all the information listed here: https://www.open-mpi.org/community/help/ > On Sep 12, 2018, at 11:03 AM, Greg Russell wrote: > > OpenMPI-3.1.2 > > Sent from my iPhone > > On Sep 12, 2018, at 10:50 AM, Ralph H Castain wrote: > >> What OMPI version are we talking about her

Re: [OMPI users] No network interfaces were found for out-of-band communications.

2018-09-12 Thread Greg Russell
OpenMPI-3.1.2 Sent from my iPhone On Sep 12, 2018, at 10:50 AM, Ralph H Castain mailto:r...@open-mpi.org>> wrote: What OMPI version are we talking about here? On Sep 11, 2018, at 6:56 PM, Greg Russell mailto:russ...@pcka.com>> wrote: I have a single machine w 96 cores. It runs CentOS7 and

Re: [OMPI users] No network interfaces were found for out-of-band communications.

2018-09-12 Thread Ralph H Castain
What OMPI version are we talking about here? > On Sep 11, 2018, at 6:56 PM, Greg Russell wrote: > > I have a single machine w 96 cores. It runs CentOS7 and is not connected to > any network as it needs to isolated for security. > > I attempted the standard install process and upon attempting

[OMPI users] No network interfaces were found for out-of-band communications.

2018-09-11 Thread Greg Russell
I have a single machine w 96 cores. It runs CentOS7 and is not connected to any network as it needs to isolated for security. I attempted the standard install process and upon attempting to run ./mpirun I find the error message "No network interfaces were found for out-of-band communications