Patent ID: 8054718

Claim:
A recording medium having at least one recording layer, the recording medium including a plurality of recording-units where data is sequentially recorded, the recording medium comprising: a session including at least one recording-unit; and a temporary defect management area for storing therein management information until the recording medium is finalized, the management information including recording-unit information, the recording-unit information pertaining to the plurality of recording-units and including a recording-unit entry list, the recording-unit entry list including a plurality of recording-unit entries, each recording-unit entry pertaining to a recording-unit and including a session status field to store session start information indicating whether the pertaining recording-unit is a start of the session, a start address field indicating where the pertaining recording-unit starts, and a last recorded address field storing the last recorded address of the pertaining recording-unit, wherein the session status field is located between the start address field and the last recorded address field, and wherein when the recording medium is finalized, latest management information recorded in the temporary defect management area is recorded in a defect management area of the recording medium.