WO2009060500A1 - 媒体記憶装置のリード/ライト処理方法及び媒体記憶装置 - Google Patents

媒体記憶装置のリード/ライト処理方法及び媒体記憶装置 Download PDF

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Publication number
WO2009060500A1
WO2009060500A1 PCT/JP2007/001219 JP2007001219W WO2009060500A1 WO 2009060500 A1 WO2009060500 A1 WO 2009060500A1 JP 2007001219 W JP2007001219 W JP 2007001219W WO 2009060500 A1 WO2009060500 A1 WO 2009060500A1
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WO
WIPO (PCT)
Prior art keywords
processing
read
write
storage device
medium storage
Prior art date
Application number
PCT/JP2007/001219
Other languages
English (en)
French (fr)
Inventor
Teruji Yamakawa
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 JP2009539886A priority Critical patent/JP4858926B2/ja
Priority to PCT/JP2007/001219 priority patent/WO2009060500A1/ja
Publication of WO2009060500A1 publication Critical patent/WO2009060500A1/ja
Priority to US12/776,117 priority patent/US8320066B2/en

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Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00Driving, 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
    • G11B19/02Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • G11B19/041Detection or prevention of read or write errors
    • G11B19/044Detection or prevention of read or write errors by using a data buffer
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/10527Audio or video recording; Data buffering arrangements
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/18Error detection or correction; Testing, e.g. of drop-outs
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/18Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1833Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/10527Audio or video recording; Data buffering arrangements
    • G11B2020/10537Audio or video recording
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/10527Audio or video recording; Data buffering arrangements
    • G11B2020/1062Data buffering arrangements, e.g. recording or playback buffers
    • G11B2020/1075Data buffering arrangements, e.g. recording or playback buffers the usage of the buffer being restricted to a specific kind of data
    • G11B2020/10759Data buffering arrangements, e.g. recording or playback buffers the usage of the buffer being restricted to a specific kind of data content data
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B2020/10935Digital recording or reproducing wherein a time constraint must be met
    • G11B2020/10944Real-time recording or reproducing, e.g. for ensuring seamless playback of AV data
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/18Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1816Testing
    • G11B2020/183Testing wherein at least one additional attempt is made to read or write the data when a first attempt is unsuccessful
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00Record carriers by type
    • G11B2220/20Disc-shaped record carriers
    • G11B2220/25Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2508Magnetic discs
    • G11B2220/2516Hard disks

Abstract

 ホスト(100)からのリードコマンドに応じて、リード処理し、且つライトコマンドに応じて、ライト処理する媒体記憶装置において、受領したリードコマンドにより、ホスト(100)が、連続データの再生処理のため、一定間隔で発行されるリードコマンドであることを認識し、受領したリードコマンドにより、ホストが、連続データの再生処理のため、一定間隔で発行されるリードコマンドであることを認識し、再生処理中に受信したライトコマンドのライト処理で、ライトリトライが発生した場合に、そのライト処理を中断し、データバッファ(38)にリードデータの格納域をアロケーションして、リード処理を実行して、ライト処理を再開する制御回路(28)を設けた。音楽や映像の再生処理中に、リードコマンドの間に送信されるライトコマンドの処理遅延により、リードコマンドの受け付け及び処理が遅延することを防止でき、音楽や映像再生の途切れを防止できる。
PCT/JP2007/001219 2007-11-07 2007-11-07 媒体記憶装置のリード/ライト処理方法及び媒体記憶装置 WO2009060500A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009539886A JP4858926B2 (ja) 2007-11-07 2007-11-07 媒体記憶装置のリード/ライト処理方法及び媒体記憶装置
PCT/JP2007/001219 WO2009060500A1 (ja) 2007-11-07 2007-11-07 媒体記憶装置のリード/ライト処理方法及び媒体記憶装置
US12/776,117 US8320066B2 (en) 2007-11-07 2010-05-07 Storage device and read/write processing method therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/001219 WO2009060500A1 (ja) 2007-11-07 2007-11-07 媒体記憶装置のリード/ライト処理方法及び媒体記憶装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/776,117 Continuation US8320066B2 (en) 2007-11-07 2010-05-07 Storage device and read/write processing method therefor

Publications (1)

Publication Number Publication Date
WO2009060500A1 true WO2009060500A1 (ja) 2009-05-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/001219 WO2009060500A1 (ja) 2007-11-07 2007-11-07 媒体記憶装置のリード/ライト処理方法及び媒体記憶装置

Country Status (3)

Country Link
US (1) US8320066B2 (ja)
JP (1) JP4858926B2 (ja)
WO (1) WO2009060500A1 (ja)

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US9087545B2 (en) * 2013-07-16 2015-07-21 Saegate Technology Llc Request management for rotating data storage media
US20170212711A1 (en) * 2016-01-21 2017-07-27 Kabushiki Kaisha Toshiba Disk apparatus and control method
US20170329684A1 (en) * 2016-05-13 2017-11-16 Synology Incorporated Method and apparatus for performing data recovery in redundant storage system
US10566062B2 (en) 2017-12-14 2020-02-18 Macronix International Co., Ltd. Memory device and method for operating the same
US11500589B2 (en) * 2020-10-05 2022-11-15 Western Digital Technologies, Inc. Command draining using host memory buffer

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JP2006269006A (ja) * 2005-03-25 2006-10-05 Fujitsu Ltd 記憶装置、制御方法及びプログラム
JP2007011661A (ja) * 2005-06-30 2007-01-18 Hitachi Global Storage Technologies Netherlands Bv ディスク装置及びディスク装置のキャッシュメモリ制御方法

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US6631976B2 (en) * 1999-04-14 2003-10-14 Canon Kabushiki Kaisha Control of ink jet nozzle prefiring
US6775022B2 (en) * 1999-04-14 2004-08-10 Canon Kabushiki Kaisha Printer control based on head alignment
JP2001216746A (ja) * 2000-01-28 2001-08-10 Toshiba Corp ディスク記憶装置及びリトライ制御方法
US20030016602A1 (en) * 2001-06-18 2003-01-23 Yasuhiro Wada Optical disk apparatus
JP3702839B2 (ja) * 2001-11-20 2005-10-05 株式会社日立製作所 ディスク装置
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US7290175B1 (en) * 2002-08-26 2007-10-30 Unisys Corporation Forcing a memory dump for computer system diagnosis
JP2004173244A (ja) 2002-11-07 2004-06-17 Sharp Corp データ記録装置、そのプログラム、及び記録媒体
JP3990257B2 (ja) * 2002-11-08 2007-10-10 シャープ株式会社 デジタル符号化情報記録再生装置
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Also Published As

Publication number Publication date
JPWO2009060500A1 (ja) 2011-03-17
US8320066B2 (en) 2012-11-27
JP4858926B2 (ja) 2012-01-18
US20100214687A1 (en) 2010-08-26

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