CA997467A - Method and apparatus for providing alternate storage areas on magnetic disk pack - Google Patents

Method and apparatus for providing alternate storage areas on magnetic disk pack

Info

Publication number
CA997467A
CA997467A CA171,769A CA171769A CA997467A CA 997467 A CA997467 A CA 997467A CA 171769 A CA171769 A CA 171769A CA 997467 A CA997467 A CA 997467A
Authority
CA
Canada
Prior art keywords
magnetic disk
storage areas
disk pack
alternate storage
providing alternate
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
Application number
CA171,769A
Other languages
English (en)
Other versions
CA171769S (fr
Inventor
Warren I. Taylor
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.)
Unisys Corp
Original Assignee
Burroughs 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 Burroughs Corp filed Critical Burroughs Corp
Application granted granted Critical
Publication of CA997467A publication Critical patent/CA997467A/en
Expired legal-status Critical Current

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
    • 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
    • G11B20/1816—Testing
    • G11B20/182—Testing using test patterns
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
CA171,769A 1972-06-01 1973-05-18 Method and apparatus for providing alternate storage areas on magnetic disk pack Expired CA997467A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25861572A 1972-06-01 1972-06-01

Publications (1)

Publication Number Publication Date
CA997467A true CA997467A (en) 1976-09-21

Family

ID=22981365

Family Applications (1)

Application Number Title Priority Date Filing Date
CA171,769A Expired CA997467A (en) 1972-06-01 1973-05-18 Method and apparatus for providing alternate storage areas on magnetic disk pack

Country Status (10)

Country Link
US (1) US3771143A (ja)
JP (1) JPS5936329B2 (ja)
BE (1) BE800131A (ja)
BR (1) BR7304084D0 (ja)
CA (1) CA997467A (ja)
DE (2) DE2326942A1 (ja)
FR (1) FR2186697B1 (ja)
GB (1) GB1381467A (ja)
IN (1) IN138520B (ja)
NL (1) NL185105C (ja)

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JPS5979437A (ja) * 1982-10-29 1984-05-08 Nec Corp 光デイスク処理装置
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JPH0636282B2 (ja) * 1984-03-07 1994-05-11 松下電器産業株式会社 光情報記録再生装置
DE3405073A1 (de) * 1984-02-13 1985-08-14 Siemens AG, 1000 Berlin und 8000 München Speicherungsverfahren fuer eine in fernmeldeanlagen, insbesondere fernsprechvermittlungsanlagen eingesetzte speichereinrichtung
US4631723A (en) * 1984-06-08 1986-12-23 Honeywell Information Systems Inc. Mass storage disk drive defective media handling
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US4690867A (en) * 1985-04-05 1987-09-01 Nichias Corporation Material for low melting point metal casting equipment
JPS61236002A (ja) * 1985-04-11 1986-10-21 Meidensha Electric Mfg Co Ltd 磁気デイスク記憶装置の自動交代トラツク方法
CA1268252A (en) * 1985-04-17 1990-04-24 Fumiaki Kawaguchi Information recording method
US5247505A (en) * 1985-04-17 1993-09-21 Canon Kabushiki Kaisha Information recording method for reciprocally recording and verifying information
JPS6334741A (ja) * 1986-07-29 1988-02-15 Matsushita Electric Ind Co Ltd 複製デイスクおよびデイスク複製装置
JPS62217466A (ja) * 1986-03-14 1987-09-24 Fujitsu Ltd 磁気デイスクの傷位置確認方式
JPS62236184A (ja) * 1986-04-08 1987-10-16 Yokogawa Electric Corp デイスク制御装置
JPS6364678A (ja) * 1986-09-05 1988-03-23 Mitsubishi Electric Corp デイスクのライトエラ−リカバリ方式
JPH0642300B2 (ja) * 1986-10-20 1994-06-01 松下電送株式会社 交代記録再生方法
JP2562605B2 (ja) * 1987-06-29 1996-12-11 三洋電機株式会社 磁気ディスク制御装置
JPS6410464A (en) * 1987-07-02 1989-01-13 Fuji Electric Co Ltd Reformatting system for disk storage device
JPS6414774A (en) * 1987-07-08 1989-01-18 Fuji Electric Co Ltd Method for initializing hard disk
US4811124A (en) * 1987-07-24 1989-03-07 Advanced Micro Devices, Inc. Defect skipping mechanism for disk drives
DE69033262T2 (de) 1989-04-13 2000-02-24 Sandisk Corp., Santa Clara EEPROM-Karte mit Austauch von fehlerhaften Speicherzellen und Zwischenspeicher
JPH02306473A (ja) * 1989-05-19 1990-12-19 Tokico Ltd 磁気ディスク装置
US5737632A (en) 1989-12-19 1998-04-07 Hitachi, Ltd. Magnetic disc control apparatus with parallel data transfer between disc control unit and encoder/decoder circuit
US5271018A (en) * 1990-04-27 1993-12-14 Next, Inc. Method and apparatus for media defect management and media addressing
US5428802A (en) * 1990-05-16 1995-06-27 International Business Machines Corporation Method and apparatus for executing critical disk access commands
JP2836929B2 (ja) * 1990-07-05 1998-12-14 株式会社日立製作所 回転型記憶装置およびその制御方法
US5210860A (en) * 1990-07-20 1993-05-11 Compaq Computer Corporation Intelligent disk array controller
US5249288A (en) * 1991-04-01 1993-09-28 Xerox Corporation Process for accommodating bad disk pages in an electronic printing system
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US5269030A (en) * 1991-11-13 1993-12-14 Ssi Medical Services, Inc. Apparatus and method for managing waste from patient care, maintenance, and treatment
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US5623595A (en) * 1994-09-26 1997-04-22 Oracle Corporation Method and apparatus for transparent, real time reconstruction of corrupted data in a redundant array data storage system
JPH08255432A (ja) * 1995-03-20 1996-10-01 Fujitsu Ltd 記録再生装置及び交代処理方法
US5699503A (en) * 1995-05-09 1997-12-16 Microsoft Corporation Method and system for providing fault tolerance to a continuous media server system
US6055577A (en) * 1996-05-06 2000-04-25 Oracle Corporation System for granting bandwidth for real time processes and assigning bandwidth for non-real time processes while being forced to periodically re-arbitrate for new assigned bandwidth
US6098185A (en) * 1997-10-31 2000-08-01 Stmicroelectronics, N.V. Header-formatted defective sector management system
US6154858A (en) * 1998-04-17 2000-11-28 International Business Machines Corporation In situ method and apparatus for detecting surface defects to identify handling damage in a disk drive
JP2000003255A (ja) * 1998-06-12 2000-01-07 Nec Corp ディスクアレイ装置
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
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
US6560718B1 (en) * 1999-11-30 2003-05-06 Stmicroelectronics, Inc. Disk drive error recovery and defect management method
WO2001050467A1 (fr) * 2000-01-07 2001-07-12 Matsushita Electric Industrial Co., Ltd. Procede de correction d'erreur, support disque et procedes d'enregistrement de disque et de reproduction de disque
US7170703B1 (en) 2000-05-09 2007-01-30 Maxtor Corporation Flaw detection in disk drive using significant samples of data pattern stored on disk
US7032127B1 (en) * 2000-05-09 2006-04-18 Maxtor Corporation Method and apparatus for identifying defective areas on a disk surface of a disk drive based on defect density
US6574703B1 (en) * 2001-12-28 2003-06-03 Emc Corporation Initializing selected extents of a storage device
CN102609223B (zh) * 2012-02-13 2015-06-24 浪潮(北京)电子信息产业有限公司 一种独立冗余磁盘阵列系统及其初始化方法
JP6210187B2 (ja) * 2012-10-23 2017-10-11 セイコーエプソン株式会社 集積回路装置、物理量測定装置、電子機器および移動体
US9678864B2 (en) * 2014-12-03 2017-06-13 Seagate Technology Llc Data reallocation upon detection of errors
CN111951876B (zh) * 2019-05-15 2022-06-03 上海磁宇信息科技有限公司 具有写检测功能和动态冗余的mram芯片及其数据读写方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3514758A (en) * 1967-03-27 1970-05-26 Burroughs Corp Digital computer system having multi-line control unit

Also Published As

Publication number Publication date
DE2326942A1 (de) 1973-12-20
BE800131A (fr) 1973-09-17
US3771143A (en) 1973-11-06
JPS5936329B2 (ja) 1984-09-03
IN138520B (ja) 1976-02-14
JPS4944725A (ja) 1974-04-27
FR2186697A1 (ja) 1974-01-11
BR7304084D0 (pt) 1974-07-25
FR2186697B1 (ja) 1980-03-28
GB1381467A (en) 1975-01-22
NL185105C (nl) 1990-01-16
DE2326942C2 (ja) 1990-11-29
NL7307615A (ja) 1973-12-04

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