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Re: [Condor-users] MPI and Flocked Pools

I don't see why this wouldn't work from a technical aspect, but the biggest question is whether the jobs would ever be evicted from the flocked-to pools. If you're running a job and one node has to evict because the user came back, your entire MPI job is hosed.

Andrew Howard
Assistant Research Programmer
Rosen Center for Advanced Computing
Purdue University

On Feb 29, 2008, at 2:19 PM, Philip Papadopoulos wrote:

I have a setup where I have a number of clusters around campus that can satisfy job requests. I have a "submit" pool (a cluster head node with no compute nodes) where users submit condor jobs. Since it has no local resources, all requests are satisfied
by the flocked-to clusters.  It is simple and works well.

I'm trying to figure out if I can submit MPI jobs on my submit pool and have them run on one of the flocked-to clusters? From the online manual, it seems that there is a dedicated scheduler node that needs definition and configuration. The question is, can I have a dedicated scheduler node per cluster and then use flocking to satisfy parallel (MPI) job requests? That is submit an MPI job on my "submit pool" and have it's resource request satisfied by one of my flocked-to clusters?

 Or do I need
one scheduler node ((e.g. my "submit" pool node)).


Philip Papadopoulos, PhD
University of California, San Diego
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