mpirun with mpich-gm and pbs

[Adam Gray]

It was a problem with our /etc/hosts file.
We listed the hostname (shrikenode03) in the loopback and the internal IP:
127.0.0.1 shrikenode03 localhost
192.168.100.3 shrikenode03

when it should be:
127.0.0.1 localhost
192.168.100.3 shrikenode03

The nodes were binding to their loopbacks, so no requests to 192.168.100 were 
accepted.

Please see: http://email.osc.edu/pipermail/mpiexec/2005/000600.html

Adam Gray

On Monday 12 December 2005 6:29 pm, Chris Samuel wrote:
> On Tuesday 13 December 2005 00:59, Ivan Tornes wrote:
> > mpiexec: Error: scatter_gm_startup_ports: connect (shrikenode03, 40849)
> > failed: Connection refused.
>
> Firewalling turned on ?
>
> What does iptables-save say ?