MAGNETIC DISK DEVICE, AND METHOD OF ADJUSTING WRITE DATA

To provide a magnetic disk device capable of improving access performance and a method for adjusting write data.SOLUTION: A magnetic disk device 1 includes: a disk 10; a head 15 that writes data to the disk and reads the data from the disk; and a controller 130 that increases a first recording densi...

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Bibliographic Details
Main Authors TOMOTA YUSUKE, MAETO NOBUHIRO
Format Patent
LanguageEnglish
Japanese
Published 28.01.2021
Subjects
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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Summary:To provide a magnetic disk device capable of improving access performance and a method for adjusting write data.SOLUTION: A magnetic disk device 1 includes: a disk 10; a head 15 that writes data to the disk and reads the data from the disk; and a controller 130 that increases a first recording density of the data to be written to a first sector of first overwrite in a first track of the disk and decreases a second recording density of the data to be written to a second sector of second overwrite different from the first overwrite.SELECTED DRAWING: Figure 1 【課題】アクセス性能を向上可能な磁気ディスク装置及びライトデータの調整方法を提供する。【解決手段】磁気ディスク装置１は、ディスク１０と、ディスクに対してデータをライトし、ディスクからデータをリードするヘッド１５と、ディスクの第１トラックにおいて、第１オーバーライトの第１セクタでは第１セクタにライトするデータの第１記録密度を高め、第１オーバーライトと異なる第２オーバーライトの第２セクタにライトするデータの第２記録密度を低める、コントローラ１３０とを備える。【選択図】図１
Bibliography:Application Number: JP20190121807