Hitachi Global Storage Technologies Netherlands B.v.

Yosuke Hamada

Sumie Takeda

Katsumoto Onoyama

Hiroyuki Oosawa

Embodiments in accordance with the present invention provide a disk storage device and a control method for the disk storage device, which are capable of precluding an off-track write resulted from stick-slip caused by thermal distortion. A magnetic disk device is provided with a magnetic disk, a head that makes a writing to the magnetic disk, and a temperature sensor that detects the temperature inside of the magnetic disk device. Moreover, the magnetic disk devicechanges determination requirements for use to make a determination whether or not to prohibit the writing by the head to the magnetic disk based on a measurement temperature detected by the temperature sensor and an amount of temperature change calculated using the measurement temperature.

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Kanagawa, Japan

Yosuke Hamada