Patent ID: 7986599
Filing Date: 2011-07-26
Classification: G11B

Abstract:
1. A drive apparatus for performing a sequential recording for a write-once recording medium, wherein the write-once recording medium includes a disc management information area and a user data area, disc management information for managing the write-once recording medium is recorded in the disc management information area, the drive apparatus comprising: a recording/reproduction section for performing a recording operation or a reproduction operation for the write-once recording medium; and a drive control section for controlling the recording/reproduction section, wherein the drive control section at least performs a process including: receiving a recording instruction specifying a contiguous area in the user data area as a location at which data is to be recorded; allocating a contiguous area to a specific location in the user data area other than the location specified by the recording instruction; controlling the recording/reproduction section to record the data in the allocated contiguous area; generating new disc management information including first replacement management information for mapping a start location of the contiguous area specified by the recording instruction to a start location of the allocated contiguous area and second replacement management information for mapping an end location of the contiguous area specified by the recording instruction to an end location of the allocated contiguous area; and controlling the recording/reproduction section to record the new disc management information in the disc management information area.