CN112447192A - 磁盘装置以及磁盘装置的控制方法 - Google Patents

磁盘装置以及磁盘装置的控制方法 Download PDF

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Publication number
CN112447192A
CN112447192A CN201911297485.4A CN201911297485A CN112447192A CN 112447192 A CN112447192 A CN 112447192A CN 201911297485 A CN201911297485 A CN 201911297485A CN 112447192 A CN112447192 A CN 112447192A
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CN
China
Prior art keywords
track
writing
upper limit
adjacent
error rate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201911297485.4A
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English (en)
Chinese (zh)
Inventor
山崎雄一郎
小林拓也
市原一人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Toshiba Electronic Devices and Storage Corp
Original Assignee
Toshiba Corp
Toshiba Electronic Devices and Storage Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Toshiba Electronic Devices and Storage Corp filed Critical Toshiba Corp
Publication of CN112447192A publication Critical patent/CN112447192A/zh
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • G11B19/041—Detection or prevention of read or write errors
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10305—Improvement or modification of read or write signals signal quality assessment

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Digital Magnetic Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
CN201911297485.4A 2019-09-04 2019-12-17 磁盘装置以及磁盘装置的控制方法 Withdrawn CN112447192A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-161329 2019-09-04
JP2019161329A JP2021039812A (ja) 2019-09-04 2019-09-04 磁気ディスク装置及び磁気ディスク装置の制御方法

Publications (1)

Publication Number Publication Date
CN112447192A true CN112447192A (zh) 2021-03-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911297485.4A Withdrawn CN112447192A (zh) 2019-09-04 2019-12-17 磁盘装置以及磁盘装置的控制方法

Country Status (2)

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JP (1) JP2021039812A (ja)
CN (1) CN112447192A (ja)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5781360A (en) * 1991-06-26 1998-07-14 Maxtor Corporation Method and apparatus for detecting data track misregistration
JPH11203780A (ja) * 1998-01-12 1999-07-30 Hitachi Ltd 磁気ディスク装置
US20080266692A1 (en) * 2007-04-27 2008-10-30 Fujitsu Limited Magnetic disk device and data writing method thereof
US20120081810A1 (en) * 2010-10-05 2012-04-05 Kabushiki Kaisha Toshiba Magnetic disk drive using offset in positioning head to read data and head positioning method
US9047924B1 (en) * 2014-05-23 2015-06-02 Kabushiki Kaisha Toshiba Magnetic disk device and method of data refresh processing
CN105096968A (zh) * 2014-05-07 2015-11-25 株式会社东芝 磁盘驱动器及控制数据重写的方法
US9355667B1 (en) * 2014-11-11 2016-05-31 Western Digital Technologies, Inc. Data storage device saving absolute position at each servo wedge for previous write operations
US20160260450A1 (en) * 2015-03-04 2016-09-08 Kabushiki Kaisha Toshiba Magnetic disk device and control method
US20180088838A1 (en) * 2016-09-26 2018-03-29 Kabushiki Kaisha Toshiba Disk device that updates write counts of tracks based on a head offset during writing of adjacent tracks
CN109979496A (zh) * 2017-12-27 2019-07-05 株式会社东芝 磁盘装置和刷新处理方法

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5781360A (en) * 1991-06-26 1998-07-14 Maxtor Corporation Method and apparatus for detecting data track misregistration
JPH11203780A (ja) * 1998-01-12 1999-07-30 Hitachi Ltd 磁気ディスク装置
US20080266692A1 (en) * 2007-04-27 2008-10-30 Fujitsu Limited Magnetic disk device and data writing method thereof
US20120081810A1 (en) * 2010-10-05 2012-04-05 Kabushiki Kaisha Toshiba Magnetic disk drive using offset in positioning head to read data and head positioning method
CN105096968A (zh) * 2014-05-07 2015-11-25 株式会社东芝 磁盘驱动器及控制数据重写的方法
US9047924B1 (en) * 2014-05-23 2015-06-02 Kabushiki Kaisha Toshiba Magnetic disk device and method of data refresh processing
US9355667B1 (en) * 2014-11-11 2016-05-31 Western Digital Technologies, Inc. Data storage device saving absolute position at each servo wedge for previous write operations
US20160260450A1 (en) * 2015-03-04 2016-09-08 Kabushiki Kaisha Toshiba Magnetic disk device and control method
US20180088838A1 (en) * 2016-09-26 2018-03-29 Kabushiki Kaisha Toshiba Disk device that updates write counts of tracks based on a head offset during writing of adjacent tracks
CN109979496A (zh) * 2017-12-27 2019-07-05 株式会社东芝 磁盘装置和刷新处理方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
葛晓宇等: "硬盘驱动磁头偏置误差检测算法的研究", 《测控技术》 *

Also Published As

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JP2021039812A (ja) 2021-03-11

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Application publication date: 20210305

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