If you've got other fast storage in limited supply that can be used for data 
that can be staged, then by all means use it, but consider whether you want 
batch cpu cores tied up with the wall time of transferring the data. This could 
easily be done on a time-shared frontend login node from which the users could 
then submit (via script) jobs after the data was staged. Most of the transfer 
wallclock is in network wait, so don't waste dedicated cores for it.

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