Patent ID: 7330945
Filing Date: 2008-02-12
Classification: G11B

Abstract:
1. A defect management method for a recording medium, the method comprising: (a) assigning a spare area on the recording medium at a position spaced apart, by a predetermined distance, from a position where a defective area is present, when the defective area is detected during a data recording operation; (b) recording, in the assigned spare area, data of a predetermined size to be recorded at the defect-detected position, as replacement data; and (c) continue to perform the data recording operation from a position following the assigned spare area, wherein the assigned spare area has a size determined to record an amount of data recordable in a predetermined number of defective areas, and wherein the method further comprises: (g) collectively recording the replacement data, which has been recorded in the assigned spare area, in at least one of inner and outer spare areas pre-designated to the recording medium.