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  • Use scratch disks
    • need to be able to leave files on scratch for a couple of hours without having a process running
    • need to be able to copy files between batch machines with a process only at the receive end of the transfer
  • Not stage files stored on AFS to/from scratch
    • AFS' internal caching means that we are copying the data twice.
    • This may be particularly useful for recon, where crumb jobs don't even use the whole file.