| 摘要 |
A disk apparatus and a method of data read/write are provided in which even when off-track error occurs at the end sector, the occurrence of the off-track error is detected reliably. Data is read from and/or written into a track on a disk on each sector. An end sector identification number is acquired that identifies the end sector related to the read and/or write of the data. Then, when data of the end sector corresponding to the acquired end sector identification number is read and/or written, the identification number of the next sector of the end sector is read. Then, it is determined whether the read-out identification number of the next sector is consecutive to said end sector identification number. When determined as consecutive, the data read from the end sector is outputting, or alternatively the data to be written into the end sector is received from the outside.
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