INFORMATION STORAGE MEDIUM WHICH STORES DEFECT MANAGEMENT INFORMATION, METHOD OF REPLACING DEFECT MANAGEMENT INFORMATION, AND APPARATUS WHICH REPLACES DEFECT MANAGEMENT INFORMATION

摘要

DMA replacement recording the defect management information when it is considered sufficient yet rewritable, and the next reserved area (e.g., DMA set following the current DMA set # 1-1 to # 4-1 # 1-2 to # 4-2 in use and replacement), an defect management information of the transition, the process up to the spare area (DMA sets # 1-N to # 4-N) of the last is the first defect management information area ring-shaped into a plurality of defect management back into the region ( DMA set groups 1 to N) are used. ; Defect management information, the spare area, the information storage medium, the ring-like, conditions storage location