Patent ID: 7911903

Claim:
An apparatus for performing defect management for data recorded in an information storage medium, the apparatus comprising: a recording/reading unit which transfers the data with respect to the information storage medium; and a controller which controls the recording/reading unit to record a defect list and a disc definition structure in a disc management area in the information storage medium, the defect list comprising position information regarding a defective cluster and the disc definition structure comprising position information regarding the defect list, wherein the defect list is a copy of a last temporary defect list recorded in a first area of the information storage medium, the defect list being recorded when the information storage medium is finalized, and the disc definition structure is a copy of a last temporary disc definition structure, which comprises position information regarding the last temporary defect list, recorded in a second area of the information storage medium, the disc definition structure being recorded when the information storage medium is finalized.