| 摘要 |
A rewritable information storage medium includes a user area for storing user data, a defect management area for storing defect management information relating to a defective area in the user area, and a spare area serving as a replacement area for storing the user data that was unable to be stored in the defective area. The rewritable information storage medium stores the defect management information in an area other than the defect management area in addition to the defect management area.
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