Am 17.04.2011 um 01:21 schrieb Derrick LIN:

> 
> > Well, does `mpiexec` point to the correct one?
> 
> I don't really get this. I only installed one and only one OpenMPI on the 
> node. There shouldn't have another 'mpiexec' on the system.

It could be one from any other MPI implementation by accident.


> It's worthy to mention that every node is deployed from a master image. So 
> everything is exactly the same except IP and DNS name.
> > I thought you compiled it on your own with --with-sge. What about: 
> 
> pwbcad@sgeqexec01:~$ ompi_info | grep grid
>                  MCA ras: gridengine (MCA v2.0, API v2.0, Component v1.4.1)

Fine.


> Is there any location I can find a more meaningful OpenMPI log?

Can you run a simple `mpiexec hostname` in the script?


> I will try to install openmpi 1.4.3 and see if that works.
> 
> I want to confirm one more thing: does SGE's master host need to have OpenMPI 
> installed? Is it relevant?

In principle: no. But often it's installed too, as you will compile on either 
the master machine or a dedicated login server.

-- Reuti


> Many thanks Reuti
> 
> Derrick
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