| Hi Wei-Cheng,
Apologies for taking so long to reply. The message "Hostnames from Open MPI output do not match expected hostname" occurs when the machine running Eclipse and the cluster do not agree on the names of the nodes. Please try the latest PTP 2.1.1 build ( http://wiki.eclipse.org/PTP/builds/2.1.1) which includes a fix for this problem (for OpenMPI 1.3).
Regards,
Greg
On Dec 20, 2008, at 3:02 AM, Wei-Cheng Lau wrote: Hi,Greg
My _expression_ may be not clear enough, and you have misunderstood. In fact, I have been able to connect to the header node of the PC cluster and work successfully. I want to submit my job to two machines, and then I try to set the hostfile of the configurations in the Resources option and run it, but it presents some error messages: 'Open Mpi Job' has encountered a problem. Failed after executing command to launch parallel application. Details: Failed after executing command to launch parallel application. Hostnames from Open MPI output do not match expected hostname. Besides, I try to run the command which is produced by ptp , liked mpirun –display-map –np 2 –bynode –hostfile /home/XXX/hostfile /home/XXX/test,directly. It is worked in our cluster. How do I configure the parameter of PTP if I want to run the parallel program in the multi-machine?thanks, Wei-Cheng Lau 2008/12/18 Greg Watson <g.watson@xxxxxxxxxxxx>Do you have Open MPI installed on the cluster? If not, then you'll need to do that first, and configure it so that you can run MPI programs. Once you have that working, create an Open MPI resource manager, then a remote tools service provider that connects to the head node of the cluster.
Regards,
Greg
On Dec 14, 2008, at 1:38 PM, Wei-Cheng Lau wrote:
Hi,
I want to run PTP2.1 in the PC cluster(remote target), but now it only can run in the single machine. How can I make it? I found hostfile that is in the Resource Manager, is it the key set ? If it is, how to use that?
My execution environment: The PTP2.1 install in Windows XP and the PC cluster's OS is Fedora 9.
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