FILE SPLITTING APPARATUS, FILE SPLITTING METHOD AND FILE SPLITTING PROGRAM

摘要

A file splitting apparatus, a file splitting method and a file splitting program are provided to perform a data file splitting process simply by copying one management information recording region including a file splitting point onto another management information recording region and changing management information of a data file to split the data file. A file splitting method includes the steps of: detecting a management region recording part including a file splitting point among a plurality of management region parts of record management regions of data files recorded in a recoding region; copying the management region recording part including a file splitting point to another record management region; and changing the management information of the data files to a first management information and a second management information. The first management information includes a split data file in a part of the management region record part including a file splitting point before copy. The second management information manages other split data files to include management area record part including the copied file split point.