FR2906926B1 - Dispositif et procede iteratif de code de correction des erreurs (ecc), avec relecture et information d'erreur-effacement combines - Google Patents

Dispositif et procede iteratif de code de correction des erreurs (ecc), avec relecture et information d'erreur-effacement combines

Info

Publication number
FR2906926B1
FR2906926B1 FR0707040A FR0707040A FR2906926B1 FR 2906926 B1 FR2906926 B1 FR 2906926B1 FR 0707040 A FR0707040 A FR 0707040A FR 0707040 A FR0707040 A FR 0707040A FR 2906926 B1 FR2906926 B1 FR 2906926B1
Authority
FR
France
Prior art keywords
error
ecc
correction code
erase information
error correction
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.)
Active
Application number
FR0707040A
Other languages
English (en)
Other versions
FR2906926A1 (fr
Inventor
Ketil Qvam Andersen
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.)
O-MASS AS
Original Assignee
O-MASS AS
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 O-MASS AS filed Critical O-MASS AS
Publication of FR2906926A1 publication Critical patent/FR2906926A1/fr
Application granted granted Critical
Publication of FR2906926B1 publication Critical patent/FR2906926B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • G11B20/1803—Error detection or correction; Testing, e.g. of drop-outs by redundancy in data representation
    • 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
    • G11B20/1879—Direct read-after-write methods
    • 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
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G11B2020/1218—Formatting, e.g. arrangement of data block or words on the record carriers on discs wherein the formatting concerns a specific area of the disc
    • G11B2020/1222—ECC block, i.e. a block of error correction encoded symbols which includes all parity data needed for decoding
    • 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
    • G11B2020/1826—Testing wherein a defect list or error map is generated
    • 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
    • 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
    • G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
    • G11B2020/1843—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information using a cyclic redundancy check [CRC]
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Detection And Correction Of Errors (AREA)
  • Error Detection And Correction (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
FR0707040A 2006-10-10 2007-10-08 Dispositif et procede iteratif de code de correction des erreurs (ecc), avec relecture et information d'erreur-effacement combines Active FR2906926B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/545,668 US7840872B2 (en) 2006-10-10 2006-10-10 N-dimensional iterative ECC method and apparatus with combined erasure—error information and re-read

Publications (2)

Publication Number Publication Date
FR2906926A1 FR2906926A1 (fr) 2008-04-11
FR2906926B1 true FR2906926B1 (fr) 2016-10-21

Family

ID=38787875

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0707040A Active FR2906926B1 (fr) 2006-10-10 2007-10-08 Dispositif et procede iteratif de code de correction des erreurs (ecc), avec relecture et information d'erreur-effacement combines

Country Status (4)

Country Link
US (1) US7840872B2 (fr)
DE (1) DE102007046789A1 (fr)
FR (1) FR2906926B1 (fr)
GB (1) GB2442863B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8832518B2 (en) * 2008-02-21 2014-09-09 Ramot At Tel Aviv University Ltd. Method and device for multi phase error-correction
WO2012158171A1 (fr) 2011-05-19 2012-11-22 Hewlett-Packard Development Company, L.P. Codage de commande d'erreur
US8793552B2 (en) * 2012-11-14 2014-07-29 International Business Machines Corporation Reconstructive error recovery procedure (ERP) for multiple data sets using reserved buffer
US9053748B2 (en) * 2012-11-14 2015-06-09 International Business Machines Corporation Reconstructive error recovery procedure (ERP) using reserved buffer
US8810944B1 (en) 2013-07-16 2014-08-19 International Business Machines Corporation Dynamic buffer size switching for burst errors encountered while reading a magnetic tape
US9166627B2 (en) 2013-08-07 2015-10-20 International Business Machines Corporation Combination error and erasure decoding for product codes
US9582360B2 (en) 2014-01-07 2017-02-28 International Business Machines Corporation Single and multi-cut and paste (C/P) reconstructive error recovery procedure (ERP) using history of error correction
US9141478B2 (en) 2014-01-07 2015-09-22 International Business Machines Corporation Reconstructive error recovery procedure (ERP) using reserved buffer
CN106201333B (zh) * 2015-06-01 2019-04-12 株式会社东芝 存储装置、控制器以及数据再读出方法
US10318381B2 (en) * 2017-03-29 2019-06-11 Micron Technology, Inc. Selective error rate information for multidimensional memory
US11294763B2 (en) * 2018-08-28 2022-04-05 Hewlett Packard Enterprise Development Lp Determining significance levels of error values in processes that include multiple layers
US10984860B2 (en) 2019-03-26 2021-04-20 Hewlett Packard Enterprise Development Lp Self-healing dot-product engine
US11467760B1 (en) * 2020-12-04 2022-10-11 Amazon Technologies. Inc. Selective erasure decoding for memory devices
JP2023137091A (ja) * 2022-03-17 2023-09-29 キオクシア株式会社 メモリシステムおよびメモリ制御方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0447568A (ja) 1990-06-15 1992-02-17 Teac Corp 磁気テープ装置におけるデータ読み取り方法
JP2000057510A (ja) 1998-08-10 2000-02-25 Sony Corp 再生装置および再生方法
EP1069569A3 (fr) 1999-06-28 2005-06-01 Hewlett-Packard Company, A Delaware Corporation Recouvrement d'un paquet de données par superposition de mot de code
KR100546314B1 (ko) 2003-02-08 2006-01-26 삼성전자주식회사 저장 장치 및 저장 장치에서의 독출 에러 복구 방법
US20050149819A1 (en) * 2003-12-15 2005-07-07 Daewoo Electronics Corporation Three-dimensional error correction method

Also Published As

Publication number Publication date
US20080098280A1 (en) 2008-04-24
FR2906926A1 (fr) 2008-04-11
GB2442863A (en) 2008-04-16
US7840872B2 (en) 2010-11-23
GB2442863B (en) 2011-07-20
GB0719724D0 (en) 2007-11-21
DE102007046789A1 (de) 2008-04-17

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