Re: [OMPI users] mpirun hangs when launching job on remote node

2009-03-18 Thread Raymond Wan
Hi Bogdan, Thanks for the information and looking forward to the new OpenMPI feature of port restriction... About Debian, I was wondering about that...I've had no problems with it and I was thinking everything was just done for me; of course, another possibility is that there was no firewall

Re: [OMPI users] mpirun hangs when launching job on remote node

2009-03-18 Thread Bogdan Costescu
On Wed, 18 Mar 2009, Raymond Wan wrote: Perhaps it has something to do with RH's defaults for the firewall settings? If your sysadmin uses kickstart to configure the systems, (s)he has to add 'firewall --disabled'; similar for SELinux which seems to have caused problems to another person on

Re: [OMPI users] mpirun hangs when launching job on remote node

2009-03-18 Thread Raymond Wan
Hi Ron, Ron Babich wrote: Thanks for your response. I had noticed your thread, which is why I'm embarrassed (but happy) to say that it looks like my problem was the same as yours. I mentioned in my original email that there was no firewall running, which it turns out was a lie. I think th

Re: [OMPI users] mpirun hangs when launching job on remote node

2009-03-17 Thread Ron Babich
Hi Ray, Thanks for your response. I had noticed your thread, which is why I'm embarrassed (but happy) to say that it looks like my problem was the same as yours. I mentioned in my original email that there was no firewall running, which it turns out was a lie. I think that when I checked b

Re: [OMPI users] mpirun hangs when launching job on remote node

2009-03-17 Thread Raymond Wan
Hi Ron, Ron Babich wrote: Hi Everyone, I'm having a very basic problem getting an MPI job to run on multiple nodes. My setup consists of two identically configured nodes, called node01 and node02, connected via ethernet and infiniband. They are running CentOS 5.2 and the bundled OMPI, ver

[OMPI users] mpirun hangs when launching job on remote node

2009-03-17 Thread Ron Babich
Hi Everyone, I'm having a very basic problem getting an MPI job to run on multiple nodes. My setup consists of two identically configured nodes, called node01 and node02, connected via ethernet and infiniband. They are running CentOS 5.2 and the bundled OMPI, version 1.2.5. I've attached the