White & Case LLP
Magnetic disk device and read method
According to one embodiment, a magnetic disk device including a disk, a head which reads data from the disk, a memory which records data, and a controller which includes a table, and records, at a first time point at which a read gate is open, a first area number of a first area of the table in which first information related to first data is recorded, a first serial number of the first data added when the read gate is open, and a first count value of the first data, in the first area.
Kabushiki Kaisha Toshiba Toshiba Electronic Devices & Storage Corporation
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Kazuya Kenji
Takada Yoshida