File Queue Management

• Goal

  • minimize tape mounts
  • still respect the order of requests
  • do not postpone unpopular tapes forever

• File clustering parameter - FCP

  • If the file at top of queue is in Tapei and FCP > 1 (e.g. 4) then up to 4 files from Tapei will be selected to be transferred next
  • then, go back to file at top of queue

• Parameter can be set dynamically

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