DE69706727D1 - Datenblockanordnung mit frei wählbar angeordneten Blöcken auf einem Magnetband - Google Patents

Datenblockanordnung mit frei wählbar angeordneten Blöcken auf einem Magnetband

Info

Publication number
DE69706727D1
DE69706727D1 DE69706727T DE69706727T DE69706727D1 DE 69706727 D1 DE69706727 D1 DE 69706727D1 DE 69706727 T DE69706727 T DE 69706727T DE 69706727 T DE69706727 T DE 69706727T DE 69706727 D1 DE69706727 D1 DE 69706727D1
Authority
DE
Germany
Prior art keywords
data block
magnetic tape
freely selectable
block arrangement
arranged blocks
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 - Fee Related
Application number
DE69706727T
Other languages
English (en)
Other versions
DE69706727T2 (de
Inventor
Lawrence Kaplan
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.)
Quantum Corp
Original Assignee
Quantum 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 Quantum Corp filed Critical Quantum Corp
Application granted granted Critical
Publication of DE69706727D1 publication Critical patent/DE69706727D1/de
Publication of DE69706727T2 publication Critical patent/DE69706727T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/002—Programmed access in sequence to a plurality of record carriers or indexed parts, e.g. tracks, thereof, e.g. for editing
    • 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
    • G11B20/1883—Methods for assignment of alternate areas for defective areas
    • 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
    • G11B20/1866—Error detection or correction; Testing, e.g. of drop-outs by interleaving
    • 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
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
    • 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
    • G11B20/1883—Methods for assignment of alternate areas for defective areas
    • G11B2020/1893—Methods for assignment of alternate areas for defective areas using linear replacement to relocate data from a defective block to a non-contiguous spare area, e.g. with a secondary defect list [SDL]
    • 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)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
DE69706727T 1996-01-11 1997-01-09 Datenblockanordnung mit frei wählbar angeordneten Blöcken auf einem Magnetband Expired - Fee Related DE69706727T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/584,652 US5841600A (en) 1996-01-11 1996-01-11 Randomly ordered data block envelope tape format

Publications (2)

Publication Number Publication Date
DE69706727D1 true DE69706727D1 (de) 2001-10-25
DE69706727T2 DE69706727T2 (de) 2002-05-29

Family

ID=24338268

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69706727T Expired - Fee Related DE69706727T2 (de) 1996-01-11 1997-01-09 Datenblockanordnung mit frei wählbar angeordneten Blöcken auf einem Magnetband

Country Status (8)

Country Link
US (1) US5841600A (de)
EP (1) EP0793228B1 (de)
JP (1) JP3935542B2 (de)
KR (1) KR970060056A (de)
CN (1) CN1164739A (de)
AU (1) AU1004897A (de)
CA (1) CA2194822A1 (de)
DE (1) DE69706727T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0913762A1 (de) * 1997-10-31 1999-05-06 Hewlett-Packard Company Datenkodierung
EP0957484B1 (de) 1998-05-12 2005-10-05 Hewlett-Packard Company, A Delaware Corporation Verfahren zum Lesen während des Schreibens in einer Datenspeichervorrichtung
US6266201B1 (en) * 1998-08-19 2001-07-24 Tandberg Data Asa Multiple channel rewrite system
US6381706B1 (en) * 1998-10-20 2002-04-30 Ecrix Corporation Fine granularity rewrite method and apparatus for data storage device
US6247152B1 (en) 1999-03-31 2001-06-12 International Business Machines Corporation Relocating unreliable disk sectors when encountering disk drive read errors with notification to user when data is bad
US6426928B1 (en) 1999-03-31 2002-07-30 International Business Machines Corporation Ability to distinguish true disk write errors
US6332204B1 (en) 1999-03-31 2001-12-18 International Business Machines Corporation Recovering and relocating unreliable disk sectors when encountering disk drive read errors
EP1081701B1 (de) * 1999-09-01 2008-05-28 Tandberg Data ASA Mehrkanaliges Wiedereinschreibungsystem
US7269687B2 (en) * 2004-08-20 2007-09-11 Quantum Corporation Bounding defective regions of a tape storage medium
US7440212B2 (en) 2005-08-17 2008-10-21 Quantum Corporation Method and systems for a highly error tolerant tape format
CN101246728B (zh) * 2007-02-16 2010-11-10 联发科技股份有限公司 光驱及其随机存取控制方法
US8767325B2 (en) 2011-04-12 2014-07-01 Panasonic Corporation Data recording method, data recording apparatus, and recording medium
US20140156773A1 (en) * 2012-12-03 2014-06-05 Trenton Gary Coroy Messaging system featuring controlled distribution and access to sets of messages
US9373357B1 (en) * 2015-03-31 2016-06-21 International Business Machines Corporation Error protection of data stored using variable-length headers
US10728201B2 (en) * 2015-10-26 2020-07-28 Facebook, Inc. Batching of notifications
US11211094B1 (en) 2021-05-11 2021-12-28 Western Digital Technologies, Inc. Data storage device duplicating an ECC sub-block in downstream ECC super-block
US11733878B1 (en) 2022-03-29 2023-08-22 Western Digital Technologies, Inc. Data error correction for magnetic disks

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4637023A (en) * 1983-02-14 1987-01-13 Prime Computer, Inc. Digital data error correction method and apparatus
GB9001335D0 (en) * 1990-01-19 1990-03-21 Hewlett Packard Ltd Data storage on tape
US5107506A (en) 1990-01-25 1992-04-21 Digital Equipment Corporation Error trapping decoding method and apparatus
US5324926A (en) * 1991-03-15 1994-06-28 Olympus Optical Co., Ltd. Optical card having alternative information record region
JP3065697B2 (ja) * 1991-03-17 2000-07-17 ソニー株式会社 磁気記録方法
US5325370A (en) * 1991-11-12 1994-06-28 Storage Technology Corporation Method and apparatus for recording data on magnetic tape media
US5319504A (en) * 1992-02-28 1994-06-07 Ampex Systems Corporation Method and apparatus for marking a data block defective and re-recording data block in successive regions
US5592342A (en) * 1994-05-23 1997-01-07 Quantum Corporation Method for packing variable size user data records into fixed size blocks on a storage medium

Also Published As

Publication number Publication date
JP3935542B2 (ja) 2007-06-27
EP0793228A1 (de) 1997-09-03
EP0793228B1 (de) 2001-09-19
US5841600A (en) 1998-11-24
DE69706727T2 (de) 2002-05-29
CA2194822A1 (en) 1997-07-12
AU1004897A (en) 1997-07-17
JPH09297967A (ja) 1997-11-18
KR970060056A (ko) 1997-08-12
CN1164739A (zh) 1997-11-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee