Reclamation of data on tape cartridge
A method is provided for automatically reclaiming areas with unneeded data in a tape cartridge (medium) storing files updated by appended writing. In this reclamation method, the appended writing entails the sequential compression of data needed by the updated file (needed data) and data not needed by the file (unneeded data) and storage of the compressed data on the medium, and the medium is divided into at least three data partitions for the storage of data.
International Business Machines Corporation
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Atsushi Terue Yumiko Setsuko
Abe Watanabe Ohta Masuda