| 摘要 |
A storage apparatus carries out a write verify process to verify whether or not information is correctly written immediately after writing the information in a write target region of a recording medium. The storage apparatus judges whether or not a plurality of defective regions on the recording medium where a verify process failed are arranged along a radial direction of the recording medium if a number of retry processes of the verify process with respect to the write target region exceeds a first threshold value, and reduces a second threshold value of a number of write retry processes if the plurality of defective regions are arranged along the radial direction of the recording medium.
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