DE60328749D1 - Datenlese- und -wiedergabeverfahren für Festplattenlaufwerk - Google Patents

Datenlese- und -wiedergabeverfahren für Festplattenlaufwerk

Info

Publication number
DE60328749D1
DE60328749D1 DE60328749T DE60328749T DE60328749D1 DE 60328749 D1 DE60328749 D1 DE 60328749D1 DE 60328749 T DE60328749 T DE 60328749T DE 60328749 T DE60328749 T DE 60328749T DE 60328749 D1 DE60328749 D1 DE 60328749D1
Authority
DE
Germany
Prior art keywords
hard disk
disk drive
data reading
playback method
playback
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.)
Expired - Lifetime
Application number
DE60328749T
Other languages
English (en)
Inventor
Hwa-Jun Kim
Jae-Deog Cho
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Application granted granted Critical
Publication of DE60328749D1 publication Critical patent/DE60328749D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on 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
DE60328749T 2002-10-09 2003-10-09 Datenlese- und -wiedergabeverfahren für Festplattenlaufwerk Expired - Lifetime DE60328749D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR10-2002-0061493A KR100468770B1 (ko) 2002-10-09 2002-10-09 하드디스크 드라이브의 오프트랙 리트라이 방법

Publications (1)

Publication Number Publication Date
DE60328749D1 true DE60328749D1 (de) 2009-09-24

Family

ID=32026131

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60328749T Expired - Lifetime DE60328749D1 (de) 2002-10-09 2003-10-09 Datenlese- und -wiedergabeverfahren für Festplattenlaufwerk

Country Status (5)

Country Link
US (1) US7088535B2 (de)
EP (1) EP1408496B1 (de)
JP (1) JP3920834B2 (de)
KR (1) KR100468770B1 (de)
DE (1) DE60328749D1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7522365B1 (en) * 2004-11-03 2009-04-21 Maxtor Corporation Magnetic storage systems and methods allowing for recovery of data blocks written off-track with non-constant offsets
KR100744113B1 (ko) * 2005-01-19 2007-08-01 삼성전자주식회사 데이터 리드 제어 방법 및 이에 적합한 하드디스크 드라이브
JP4991183B2 (ja) * 2006-05-25 2012-08-01 株式会社東芝 記憶装置、読み取りデータ保証制御装置及び読み取りデータ保証方法
JP2008077783A (ja) * 2006-09-22 2008-04-03 Fujitsu Ltd 記憶データ処理装置、記憶装置、記憶データ処理プログラム
JP2008108312A (ja) * 2006-10-24 2008-05-08 Fujitsu Ltd データ読み出し方法ならびに記憶装置
US8116025B1 (en) 2008-12-18 2012-02-14 Western Digital Technologies, Inc. Disk drive executing retry operation after adjusting jog value in response to gain control
US8576507B2 (en) * 2010-01-22 2013-11-05 Seagate Technology Llc Disc drive data recovery utilizing off center track information
US8810940B2 (en) * 2011-02-07 2014-08-19 Lsi Corporation Systems and methods for off track error recovery
US9093122B1 (en) * 2013-04-05 2015-07-28 WD Media, LLC Systems and methods for improving accuracy of test measurements involving aggressor tracks written to disks of hard disk drives
US9019650B1 (en) 2014-04-30 2015-04-28 Seagate Technology Llc Multi-stage actuator with writer position determination capability
US9318137B1 (en) 2015-03-13 2016-04-19 Western Digital Technologies, Inc. Data storage device executing retry operation by buffering signal samples at different radial offsets
JP6385897B2 (ja) * 2015-07-10 2018-09-05 株式会社東芝 ディスク装置
US9437242B1 (en) 2015-09-14 2016-09-06 Western Digital Technologies, Inc. Data storage device employing different frequency preambles in adjacent data tracks
US9875763B1 (en) 2016-10-24 2018-01-23 Seagate Technology Llc Recovering user data from a variably encroached data track
US11562767B1 (en) 2021-09-08 2023-01-24 Seagate Technology Llc Multi-sector read offset recovery
US11790949B2 (en) 2022-03-02 2023-10-17 Western Digital Technologies, Inc. Data storage device integrating wedge repeatable runout (WRRO) learning into data recovery procedure (DRP)

Family Cites Families (22)

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Publication number Priority date Publication date Assignee Title
JPS6316476A (ja) * 1986-07-08 1988-01-23 Fuji Electric Co Ltd デイスク記憶装置のヘツド位置補正制御方式
JPH0240178A (ja) * 1988-07-29 1990-02-08 Hitachi Electron Eng Co Ltd 磁気ディスク装置のオフトラックマージン検査方式
JPH05234283A (ja) * 1992-02-12 1993-09-10 Nec Corp 磁気ディスク装置
US5455724A (en) * 1992-03-31 1995-10-03 Fujitsu Limited Method of compensating offtrack in disk unit
US5353170A (en) * 1993-05-19 1994-10-04 International Business Machines Corporation Error recovery data storage system and method with two position read verification
KR0147228B1 (ko) * 1994-10-27 1998-10-15 김광호 자기 디스크 구동장치에서 오프-트랙을 이용한 트랙 추종 방법
US5612845A (en) * 1994-12-27 1997-03-18 International Business Machines Corporation Method and apparatus for in-situ detection of data storage system spindle motor performance degradation
US5696643A (en) * 1995-04-20 1997-12-09 International Business Machines Corporation Disk drive apparatus and read error recovery method in a disk drive apparatus
US6008962A (en) * 1996-05-01 1999-12-28 Samsung Electronics Co., Ltd. Method and apparatus for providing read and write skew offset information for a magneto-resistive head
JP2872120B2 (ja) * 1996-07-05 1999-03-17 群馬日本電気株式会社 ディスク駆動装置
US5936789A (en) * 1996-07-30 1999-08-10 Hitachi Electronics Engineering Co., Ltd. Off-track tester for testing MR head and method of testing the same
JPH1050013A (ja) * 1996-08-02 1998-02-20 Fujitsu Ltd ディスク装置のオフトラック補正方法
JPH10134528A (ja) * 1996-10-25 1998-05-22 Internatl Business Mach Corp <Ibm> 記録装置およびエラー回復方法
US6052804A (en) * 1997-01-15 2000-04-18 Seagate Technology, Inc. Data transfer optimization through sector evaluation and reallocation during a disc drive idle mode
US6078461A (en) * 1997-06-12 2000-06-20 International Business Machines Corporation In situ offset correction for position error signal
KR100515720B1 (ko) * 1998-02-21 2005-11-29 삼성전자주식회사 리드/라이트 채널인자 최적화방법
US6178054B1 (en) * 1998-06-05 2001-01-23 Seagate Technology Llc Selecting write fault thresholds by head and disc location in a disc drive
JP2000048501A (ja) * 1998-07-29 2000-02-18 Nec Ibaraki Ltd 磁気ディスク装置の情報読取り／書込み方法及び磁気ディスク装置
JP2001243611A (ja) * 2000-02-24 2001-09-07 Internatl Business Mach Corp <Ibm> 再生オフセットの設定方法、再生エラーの回復方法、ならびにディスク装置
US6882489B1 (en) * 2000-08-15 2005-04-19 Maxtor Corporation Dynamic off-track detector
US6781780B1 (en) * 2001-06-21 2004-08-24 Western Digital Technologies, Inc. Method and system for preventing data loss from an off-track write condition in a disk drive by rewriting data buffered from an adjacent track
US7215494B2 (en) * 2002-04-26 2007-05-08 Seagate Technology Llc System and method for performing adaptive read retry operations in a data storage device

Also Published As

Publication number Publication date
JP3920834B2 (ja) 2007-05-30
US20040078738A1 (en) 2004-04-22
JP2004134077A (ja) 2004-04-30
US7088535B2 (en) 2006-08-08
KR100468770B1 (ko) 2005-01-29
EP1408496A2 (de) 2004-04-14
EP1408496B1 (de) 2009-08-12
EP1408496A3 (de) 2006-07-12
KR20040032382A (ko) 2004-04-17

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Legal Events

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8364 No opposition during term of opposition