Hi Claudiu,
https://gus.fzk.de/ws/ticket_info.php?ticket=55510
https://gus.fzk.de/ws/ticket_info.php?ticket=57828
may help.
Regards,
Nikolay.
Claudiu Demian wrote on 22/11/10 20:52:
> Hi,
>
> I've recently noticed that, at our site, the MPI jobs that we submit do
> not communicate between nodes, although they are spread to multiple nodes.
> For example, I've run a simple "Hello world!" program and the only
> output I get is from the last node that was allocated.
> We have both shared /home directory and ssh passwordless
> authentification between nodes.
> The configuration was done according to
> https://twiki.cern.ch/twiki/bin/view/EGEE/MpiTools (Yaim, PBS, MPI-Start).
> What could the problem be and where should I look for it?
>
> Cheers,
> Claudiu Demian
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