Write-once optical disc, and method and apparatus for recording management information on write-once optical disc

A method of managing a writable-once optical recording medium, the recording medium including at least one recording layer, the at least one recording layer having at least one temporary defect management area and at least one final defect management area, the method comprising:

• recording temporary defect management information in the at least one temporary defect management area of the recording medium, the temporary defect management information including disc usage management information indicating a recording or non-recording status of the recording medium;
• and
• transferring the disc usage management information from the at least one temporary defect management area to the at least one final defect management area of the recording medium.

An apparatus for managing a writable-once optical recording medium, the recording medium including at least one recording layer having a user area and a non-user area, the apparatus comprising:

• means for providing at least one temporary defect management area in at least one of the user area and the non-user area, the at least one temporary defect management area allocated to store therein temporary defect management information including disc usage management information, the disc usage management information indicating a recording or non-recording status of the user area of the recording medium;
• and
• means for providing at least one final defect management area in the non-user area.

An apparatus for managing a writable-once optical recording medium, the recording medium including at least one recording layer, the at least one recording layer having at least one temporary defect management area and at least one final defect management area, the apparatus comprising:

• means for recording temporary defect management information in the at least one temporary defect management area of the recording medium, the temporary defect management information including disc usage management information indicating a recording or non-recording status of the recording medium;
• and
• means for transferring the disc usage management information from the at least one temporary defect management area to the at least one final defect management area of the recording medium.

A writable-once optical recording medium comprising:

• at least one recording layer including at least one temporary defect management area and at least one final defect management area,
• wherein temporary defect management information is recorded in the at least one temporary defect management area of the recording medium, the temporary defect management information including disc usage management information indicating a recording or non-recording status of the recording medium, and
• wherein the disc usage management information is transferred from the at least one temporary defect management area to the at least one final defect management area of the recording medium.