Patent ID: 7349301

Claim:
A recording medium having a main data area that is a write-once recordable section in which data is physically writable once, and a management/control area in which management/control information for recording and playing back data on the main data area by a recording apparatus is recorded, wherein the main data area of the write-once recordable section includes: a normal record and playback sub-area in which data is recorded and played back; a rewriting replacement sub-area into which rewritten data is recorded in response to a request to rewrite a portion of the data recorded in the normal record and playback sub-area so as to logically overwrite the portion of the data; and a replacement management sub-area in which is recorded, in response to the request, replacement management information for managing, by the recording apparatus, the portion of the data in the normal record and playback sub-area according to the rewrite request and the rewritten data that is recorded in the rewriting replacement sub-area in response to the rewrite request.