| Rahman,
The MPICH2 and PBS resource managers are independent of one another. The MPICH2 resource manager currently only supports interactive execution on a remote machine, and as stated in the documentation, PBS support is only preliminary at the moment so it hasn't yet been determined how it will interact with MPI runtimes such as MPICH2 and Open MPI. However, there are people working on the PBS resource manager, so now is a good time to start a discussion on the features you would like to see available.
Regards, Greg On Jan 8, 2010, at 10:27 AM, Syed, Rahman A. (GSFC-610.3)[ADVANCED MANAGEMENT TECHNOLOGY] wrote:
Hi,
I’ve been searching for information on how to use PTP on a system with the PBS scheduler and MPICH2 MPI library. The documentation notes that PBS support is preliminary, and only supports “monitoring” at this point.
Do you have any advice on how to setup PTP, with the MPICH Resource Manager, in this manner:
1.) Connect to a login node via RSE (in ssh-only mode)
2.) Request resources via a PBS interactive shell
3.) Issue an “mpdtrace” to query the MPI resources
So far, I’ve managed to get steps 1 and 3 working, but the resource manager fails because “mpdtrace” is not available on our system’s login node. A naïve approach like adding a PBS request statement to my login shell doesn’t seem to work either, and network restrictions prevent use of the PBS proxy executable.
Thanks,
Rahman
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