Magnetic disk drive refreshing data written to disk and data refreshment method applied to magnetic disk drive

Magnetic disk drive refreshing data written to disk and data refreshment method applied to magnetic disk drive

According to one embodiment, a disk has a set of tracks thereon. A controller performs refresh control for reading data by a head from a track on the disk to be refreshed and for writing the read data by the head to a spare track adjacent to the track from which the data has been read. The controlle...

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Hauptverfasser: Aoki, Takao, Ichikawa, Yasuhiko
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creator Aoki, Takao
Ichikawa, Yasuhiko
description According to one embodiment, a disk has a set of tracks thereon. A controller performs refresh control for reading data by a head from a track on the disk to be refreshed and for writing the read data by the head to a spare track adjacent to the track from which the data has been read. The controller switches the track from which the data has been read to a new spare track after the writing.
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title Magnetic disk drive refreshing data written to disk and data refreshment method applied to magnetic disk drive
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