Patent ID: 7496015
Filing Date: 2009-02-24
Classification: G06F,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 data area and a disc management information area, disc management information for managing the write-once recording medium is recorded in the disc management information area, a plurality of physical addresses are assigned to the data area, a plurality of logical addresses are assigned to the user data area, at least one sequential recording area is allocated to the user data area, the disc management information includes sequential recording area management information for managing the at least one sequential recording area, the sequential recording area management information includes a last recorded address, the last recorded address being a physical address indicating a location at which data is last recorded in a sequential recording area, the disc management information includes replacement management information list including at least one replacement management information, the at least one replacement management information maps a physical address indicating an original location in the user data area to another physical address indicating a replacement location, the drive apparatus comprising: a recording/reproduction section for performing a recording operation or a reproduction operation for the write-once recording medium; and wherein the drive control section performs a process including: