| 摘要 |
According to one embodiment, an information recording apparatus has a control unit configured to control mutual transfer of information between each of a disc-shaped recording medium, a cache memory, and a non-volatile memory and the outside, control mutual transfer of information between the disc-shaped recording medium, the cache memory, and the non-volatile memory, and control to set a substituting region corresponding to a defect region generated in the disc-shaped recording medium in the non-volatile memory.
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