WO2009040929A1 - 記憶装置、制御方法及び制御装置 - Google Patents

記憶装置、制御方法及び制御装置 Download PDF

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Publication number
WO2009040929A1
WO2009040929A1 PCT/JP2007/068949 JP2007068949W WO2009040929A1 WO 2009040929 A1 WO2009040929 A1 WO 2009040929A1 JP 2007068949 W JP2007068949 W JP 2007068949W WO 2009040929 A1 WO2009040929 A1 WO 2009040929A1
Authority
WO
WIPO (PCT)
Prior art keywords
writes
head
threshold
medium
error
Prior art date
Application number
PCT/JP2007/068949
Other languages
English (en)
French (fr)
Inventor
Mitsuhiro Hirose
Yasuyuki Nagashima
Original Assignee
Fujitsu Limited
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 Fujitsu Limited filed Critical Fujitsu Limited
Priority to JP2009534116A priority Critical patent/JPWO2009040929A1/ja
Priority to PCT/JP2007/068949 priority patent/WO2009040929A1/ja
Publication of WO2009040929A1 publication Critical patent/WO2009040929A1/ja
Priority to US12/748,296 priority patent/US20100188767A1/en

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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/09—Digital recording
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1816—Testing
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1816—Testing
    • G11B2020/183—Testing wherein at least one additional attempt is made to read or write the data when a first attempt is unsuccessful
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2508—Magnetic discs
    • G11B2220/2516—Hard disks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Digital Magnetic Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

　記憶装置は、記録素子と再生素子を備えたヘッドを用いて記録媒体にデータを記録して再生する。媒体スキャン部は、ヘッド毎に記憶媒体に対する書込回数を計数し、上位装置からアクセス要求のないアイドル中に、書込回数が所定の閾値以上となったヘッドを対象に、記憶媒体からデータを読出し、読出エラーの発生時には回復可能なエラーについて回復したデータを再書込みするリードベリファイ処理を実行する。閾値管理部は、ヘッド毎に書込回数の閾値をヘッド性能に応じて初期登録し、装置の運用中にエラーレートに応じて書込回数の閾値を動的に変更する。
PCT/JP2007/068949 2007-09-28 2007-09-28 記憶装置、制御方法及び制御装置 WO2009040929A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009534116A JPWO2009040929A1 (ja) 2007-09-28 2007-09-28 記憶装置、制御方法及び制御装置
PCT/JP2007/068949 WO2009040929A1 (ja) 2007-09-28 2007-09-28 記憶装置、制御方法及び制御装置
US12/748,296 US20100188767A1 (en) 2007-09-28 2010-03-26 Disk drive and write control method therein

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/068949 WO2009040929A1 (ja) 2007-09-28 2007-09-28 記憶装置、制御方法及び制御装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/748,296 Continuation US20100188767A1 (en) 2007-09-28 2010-03-26 Disk drive and write control method therein

Publications (1)

Publication Number Publication Date
WO2009040929A1 true WO2009040929A1 (ja) 2009-04-02

Family

ID=40510842

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/068949 WO2009040929A1 (ja) 2007-09-28 2007-09-28 記憶装置、制御方法及び制御装置

Country Status (3)

Country Link
US (1) US20100188767A1 (ja)
JP (1) JPWO2009040929A1 (ja)
WO (1) WO2009040929A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101930777A (zh) * 2009-06-23 2010-12-29 日立环球储存科技荷兰有限公司 磁盘驱动器和数据重写方法
JP2016004592A (ja) * 2014-06-17 2016-01-12 富士通株式会社 制御装置、診断制御プログラム、および診断制御方法
JP2020021523A (ja) * 2018-07-31 2020-02-06 キヤノン株式会社 情報処理装置

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9595289B2 (en) * 2010-07-12 2017-03-14 Hewlett-Packard Development Company, L.P. Providing device-level functionality without altering instructions stored in device memory
US20120083133A1 (en) * 2010-10-05 2012-04-05 Applied Materials, Inc. Amine curing silicon-nitride-hydride films
US8665545B2 (en) * 2011-12-12 2014-03-04 HGST Netherlands B.V. Shingled magnetic recording (SMR) disk drive with verification of written data
US8976478B1 (en) 2012-10-10 2015-03-10 Seagate Technology Llc Band rewrites based on error scan counts
US20150248248A1 (en) * 2012-10-31 2015-09-03 Hewlett-Packard Development Company, L.P. Writing standard tape format to memory
CN104900241A (zh) * 2014-03-05 2015-09-09 株式会社东芝 磁盘装置及磁盘装置的控制方法
US9047924B1 (en) * 2014-05-23 2015-06-02 Kabushiki Kaisha Toshiba Magnetic disk device and method of data refresh processing
JP2019117675A (ja) * 2017-12-27 2019-07-18 株式会社東芝 磁気ディスク装置及びリフレッシュ処理方法
JP2019160376A (ja) * 2018-03-15 2019-09-19 株式会社東芝 磁気ディスク装置及びリフレッシュ処理方法
US10541038B2 (en) * 2018-06-12 2020-01-21 Sandisk Technologies Llc Subgroup selection for verification

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000011555A (ja) * 1998-06-22 2000-01-14 Hitachi Ltd 磁気ヘッド用サスペンション
JP2003233955A (ja) * 2002-01-09 2003-08-22 Quantum Corp データ再生エラーパフォーマンスを向上させる方法およびデータ記憶装置
JP2004273060A (ja) * 2003-03-11 2004-09-30 Hitachi Ltd 磁気ディスク装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000011555A (ja) * 1998-06-22 2000-01-14 Hitachi Ltd 磁気ヘッド用サスペンション
JP2003233955A (ja) * 2002-01-09 2003-08-22 Quantum Corp データ再生エラーパフォーマンスを向上させる方法およびデータ記憶装置
JP2004273060A (ja) * 2003-03-11 2004-09-30 Hitachi Ltd 磁気ディスク装置

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101930777A (zh) * 2009-06-23 2010-12-29 日立环球储存科技荷兰有限公司 磁盘驱动器和数据重写方法
JP2011008842A (ja) * 2009-06-23 2011-01-13 Hitachi Global Storage Technologies Netherlands Bv 磁気ディスク・ドライブ及びそのデータの書き直し方法
US9142252B2 (en) 2009-06-23 2015-09-22 HGST Netherlands B.V. Magnetic disk drive and data rewrite methods
JP2016004592A (ja) * 2014-06-17 2016-01-12 富士通株式会社 制御装置、診断制御プログラム、および診断制御方法
US9343113B2 (en) 2014-06-17 2016-05-17 Fujitsu Limited Control apparatus and control method
JP2020021523A (ja) * 2018-07-31 2020-02-06 キヤノン株式会社 情報処理装置
CN110780808A (zh) * 2018-07-31 2020-02-11 佳能株式会社 信息处理设备及其控制方法
JP7182936B2 (ja) 2018-07-31 2022-12-05 キヤノン株式会社 情報処理装置
CN110780808B (zh) * 2018-07-31 2023-10-31 佳能株式会社 信息处理设备及其控制方法

Also Published As

Publication number Publication date
JPWO2009040929A1 (ja) 2011-01-13
US20100188767A1 (en) 2010-07-29

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