Disk device and media scanning method
AssigneesKabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage Corporation
InventorsMakoto Segawa, Fuyuki Tawada, Osamu Yoshida
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Abstract
According to one embodiment, a disk device includes a disk, a head that performs data read/write processing on a recording region of the disk, a controller that performs a media scan processing for detecting the presence or absence of a defect in a sector in the recording region of the disk in track unit. When the controller performs the media scan processing on a first sector and a second sector arranged in the track, and a third sector arranged between the first sector and the second sector, the controller performs skip processing in which the controller scans the first sector and the second sector, and does not scan the third sector.
Claims8
A disk device, comprising:
- a disk;
- a head that performs data read/write processing on a recording region of the disk;
- and
- a controller that controls the media scan processing for detecting a presence or absence of a defect in a sector in the recording region of the disk in track unit,
- wherein when the controller performs media scan processing on a first sector and a second sector arranged in the track, and a third sector arranged between the first sector and the second sector, the controller performs skip processing in which the controller scans the first sector and the second sector, and does not scan the third sector
A disk device, comprising:
- a disk;
- a head that performs data read/write processing on a recording region of the disk;
- and
- a controller that controls media scan processing for detecting a presence or absence of a defect of a sector in track unit on the recording region of the disk;
- wherein
- the controller skips a scanning location in sector unit when performing the media scan processing.
A method of scanning media of a disk device, comprising:
- when media scan processing for detecting a presence or absence of a defect of a sector in a recording region of a disk in track unit is performed, performing skip processing in which the first sector and the second sector are scanned, and the third sector is not scanned with respect to a first sector and a second sector arranged in the track, and a third sector arranged between the first sector and the second sector.
Dependencies are inferred from the claim text.