Re: [Condor-users] NFS and the parallel universe

[Greg Thain <gthain@xxxxxxxxxxx>]

Cleary Jr, Richard N wrote:
> Hello,
>
> I need some help in understanding the parallel universe and a shared 
> file system. I currently have a pool of machines that NFS mount a 
> 5.3TByte file system for users to run their jobs out of. I am now able 
> to run MPI/Parallel jobs across the pool, but I noticed something odd 
> relating to the file system behavior. I previously reported a chirp 
> error in my parallel environment and to fix it I was told to put the 
> following entries in my submission script:
>
>             when_to_transfer_output = on_exit
>             should_transfer_files = yes

Richard:

The above settings work around a problem in the parallel universe 
scripts when using NFS.  However, they have other effects, as you've 
noticed below.  I've fixed the problems when running from NFS, and a 
subsequent Condor version will work without these settings.

-greg