| 摘要 |
An information storage apparatus that stores data in a recording medium, retrieves control information of the recording medium, identifies remaining unrecorded regions in the recording medium based on the control information, stores data only in the unrecorded regions, and updates items of the control information corresponding to the recorded regions so that the information storage apparatus can skip the recorded regions when it stores data in the recording medium next time. The information storage apparatus can reduce time required for certifying the recording medium.
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