| 摘要 |
A control method of controlling a disk storage unit, includes: obtaining, by a computer, for a plurality of sectors allocated on a disk included in the disk storage unit, track identifying information that identifies a track to which sectors belong, in a first order starting from a first start sector; and storing, if first track identifying information obtained in a first sector of the plurality of sectors does not match second track identifying information obtained in a second sector of the plurality of sectors immediately before the first sector, a data length from the first start sector to the second sector in a storage unit. |
