Magnetic disk device and control method of magnetic disk

According to one embodiment, any of a first process to perform a write retry to a write target track, a second process to perform the write retry and perform reading for data verification to an adjacent track, and a third process to perform the write retry and write data of the adjacent track to ano...

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Bibliographische Detailangaben
Hauptverfasser: MICHIO YAMAMOTO, HIRONORI KANNO, TAKUMI KAKUYA, TETSUO KURIBAYASHI, KENJI INOUE
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:According to one embodiment, any of a first process to perform a write retry to a write target track, a second process to perform the write retry and perform reading for data verification to an adjacent track, and a third process to perform the write retry and write data of the adjacent track to another track is executed based on a result of comparison between an offtrack amount and a plurality of different slice values.