Patent ID: 7558174
Filing Date: 2009-07-07
Classification: G11B

Abstract:
1. A method of defect management for data recorded in an information storage medium, the method comprising: reproducing a defect list and a disc definition structure from a disc management area of the information storage medium, the defect list comprising position information regarding a defective cluster of the information storage medium and position information regarding a replacement cluster of the information storage medium corresponding to the defective cluster, and the disc definition structure comprising position information regarding the defect list; and reproducing user data recorded in a data area of the information storage medium using the defect list, wherein the defect list is a copy of an Nth temporary defect list, which is a last recorded temporary defect list comprising first through N−1 the disc definition structure is a copy of a last temporary disc definition structure, which comprises position information regarding the Nth 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.