[maker-devel] (no subject)

[Carson Holt]

Run 'maker -help’ with mpiexec.

Example:
mpiexec -n 10 maker -help

If the MPI communication ring is working correctly, then it will print the help message only once (from the root process). If it is not working, it will print the help message 10 time because each of the 10 MPI processes will think they are the root process. It is a simple test that can identify if it is an MPI issue or not.

If it is not an MPI issue, you can just search for the NFSLock files using find and delete them,.

—Carson


> On Aug 30, 2016, at 10:10 AM, Mark Ebbert <me.mark at gmail.com> wrote:
> 
> 
> Good day everyone!
> 
> I’m getting the error stating: “WARNING: Multiple MAKER processes have been started in the same directory.” Everything I’ve seen mentions version issues with MPICH. The difference in my situation is that my initial run ran just fine, but died because of the cluster time constraints. We’re only allowed 3 days. 
> 
> There are a bunch of .NFSLock files in the output directory. I’m guessing Maker wasn’t able to clear the locks when the jobs died? Can I safely delete those lock files? What’s the best way to handle this going forward since I can only run jobs for 3 days at a time?
> 
> Thanks!
> 
> Mark T. W. Ebbert
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