| US 11,756,580 B2 | ||
| Magnetic disk device, control method, and non-transitory computer-readable storage medium | ||
| Sho Suzuki, Yokohama (JP); Takayuki Kawabe, Sagamihara (JP); Takeyori Hara, Kawasaki (JP); and Daisuke Sudo, Kawasaki (JP) | ||
| Assigned to Kabushiki Kaisha Toshiba, Tokyo (JP)Toshiba Electronic Devices & Storage Corporation, Tokyo (JP) | ||
| Filed by Kabushiki Kaisha Toshiba, Tokyo (JP); and Toshiba Electronic Devices & Storage Corporation, Tokyo (JP) | ||
| Filed on Mar. 9, 2022, as Appl. No. 17/690,744. | ||
| Claims priority of application No. 2021-154909 (JP), filed on Sep. 22, 2021. | ||
| Prior Publication US 2023/0097702 A1, Mar. 30, 2023 | ||
| Int. Cl. G11B 5/596 (2006.01); G06F 3/06 (2006.01); G11B 20/12 (2006.01) | ||
| CPC G11B 5/59688 (2013.01) [G06F 3/0676 (2013.01); G11B 5/59655 (2013.01); G11B 20/1217 (2013.01); G11B 2020/1281 (2013.01)] | 9 Claims |
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1. A magnetic disk device comprising:
a plurality of magnetic heads; a storage unit that stores a table storing, for the magnetic heads, track skew values obtained by adding a unique value and shared values respectively corresponding the magnetic heads, the shared values being predetermined and shared among magnetic disk devices including the magnetic disk device, and the unique value being optimized for the magnetic disk device; and a control unit that reads out among the track skew values, a track skew value corresponding to one of the magnetic heads to be operated from the table and performs seek control. |