Patent ID: 8064304

Claim:
An apparatus for recording and/or reproducing data with respect to a recording medium, the apparatus comprising: a pickup configured to emit a light to transfer data with respect to the recording medium; and a control unit configured to: select a defect management mode selectable between a defect-management-on mode and a defect-management-off mode; determine a size of a spare area, the spare area being used for replacing a defective block and being allocated in a data area according to the selected defect management mode; control the pickup to record temporary defect management information comprising a space bit map, a temporary defect list and a temporary disc definition structure in a temporary disc management area provided in a lead-in area of the recording medium, the temporary disc definition structure comprising information on the size of the allocated spare area and location information of the temporary defect list control the pickup to record data on the recording medium while performing defect management using the spare area, in response to the defect-management-on mode being selected; and control the pickup to record the data on the recording medium without defect management, in response to the defect-management-off mode being selected, wherein, when the defect management mode being the defect-management-off mode, the size of the spare area is zero wherein the temporary defect list includes at least one of defect list entry including information on defect block generated in the user data area, and the information on defect block includes address information of the defect block, and address information of replacement block corresponding to the defect block, and information on whether the defect block is generated in consecutive blocks, and wherein the space bit map indicates recording state in each blocks of physically recording available space as distinguishable values.