RECORD/ACCESS DEVICE AND RECORD/ACCESS METHOD

摘要

This record/access device comprises: a record/access unit which carries out recording and access of data on an information recording medium; a verification unit which verifies whether the data which is recorded on the information recording medium can be properly accessed; a management information recording unit which, using the record/access unit, records, on the information recording medium, from among a plurality of types of management information for managing the data which is recorded on the information recording medium, only management information which needs to be changed; and a management information verification unit which verifies, using the verification unit, whether the latest management information, including the management information which does not need to be changed and is reused, can be properly accessed.