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Autonomic reclamation processing for tapes

  • US 8,935,469 B2
  • Filed: 01/09/2012
  • Issued: 01/13/2015
  • Est. Priority Date: 01/12/2011
  • Status: Expired due to Fees
First Claim
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1. A system for autonomic reclamation processing for tapes in a computing environment, comprising:

  • a formatted tape;

    at least one tape drive in communication with the formatted tape, andat least one processor device in communication with the formatted tape and the at least one tape drive, wherein the processor device is adapted for;

    loading a formatted tape into at least one tape drive for buffering active data during reclamation processing and consolidating all of the active data in a capacity optimized manner on the same formatted tape, wherein the formatted tape comprises metadata denoting active and inactive data blocks for files,checking a format of the formatted tape according to format specifications,correcting the format of the formatted tape, if the format is not correct,receiving an instruction to perform reclamation processing on the formatted tape, if the format of the formatted tape is correct,reading the metadata of the formatted tape and using the metadata to determine the files which represent the active data and block addresses where the files are stored on the formatted tape and storing the active data and the block addresses in a table,sorting the table that includes active files and the block addresses by the block address in ascending order, and determining a starting block address,reading all active files ordered in the table starting at the starting block address into the reclamation memory,writing the files from the reclamation memory to the formatted tape from the starting block address and updating the table with new block addresses of the files, the formatted tape being the same formatted tape on which reclamation processing and the reading of the metadata were performed, andupdating the metadata with the updated table.

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