Patent ID: 7626901

Claim:
A recording apparatus for recording record data onto a write-once-type recording medium comprising: (i) a data area to record therein the record data; (ii) a plurality of management areas in which a plurality of types of defect management information for managing the record data and index information for indicating newest defect management information is recorded a plurality of times; and (iii) a control information recording area to record therein information for controlling recording and reading with respect to the data area, wherein (iv) at least one of the plurality of management area is disposed between the control information recording area and the data area, said recording apparatus comprising: a first recording device for recording the record data into the data area; a detecting device for detecting the management area in which newest index information is recorded; an updating device for updating the defect management information and the index information; a judging device for judging whether or not the index information and the defect management information which are updated by said updating device can be recorded into the management area which is detected by said detecting device; and a second recording device for recording the updated index information and all defect management information indicated by updated index information, into another management area in which the updated index information and the all defect management information indicated by the updated index information is recorded, if it is judged by said judging device that the index information and the defect management information which are updated cannot be recorded.