DE69020685T2 - Bestimmung der Fehlerrate für Datenspeichervorrichtungen. - Google Patents

Bestimmung der Fehlerrate für Datenspeichervorrichtungen.

Info

Publication number
DE69020685T2
DE69020685T2 DE69020685T DE69020685T DE69020685T2 DE 69020685 T2 DE69020685 T2 DE 69020685T2 DE 69020685 T DE69020685 T DE 69020685T DE 69020685 T DE69020685 T DE 69020685T DE 69020685 T2 DE69020685 T2 DE 69020685T2
Authority
DE
Germany
Prior art keywords
data storage
storage devices
failure rate
failure
rate
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
DE69020685T
Other languages
English (en)
Other versions
DE69020685D1 (de
Inventor
Gregory John Kerwin
James Wilson Rae
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE69020685D1 publication Critical patent/DE69020685D1/de
Application granted granted Critical
Publication of DE69020685T2 publication Critical patent/DE69020685T2/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
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • G11B20/10055—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter using partial response filtering when writing the signal to the medium or reading it therefrom
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • 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
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE69020685T 1989-10-31 1990-10-22 Bestimmung der Fehlerrate für Datenspeichervorrichtungen. Expired - Fee Related DE69020685T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/429,750 US5121263A (en) 1989-10-31 1989-10-31 Method and apparatus for determining the error rate of magnetic recording disk drives having a amplitude sampling data detection

Publications (2)

Publication Number Publication Date
DE69020685D1 DE69020685D1 (de) 1995-08-10
DE69020685T2 true DE69020685T2 (de) 1996-03-07

Family

ID=23704589

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69020685T Expired - Fee Related DE69020685T2 (de) 1989-10-31 1990-10-22 Bestimmung der Fehlerrate für Datenspeichervorrichtungen.

Country Status (4)

Country Link
US (1) US5121263A (de)
EP (1) EP0426353B1 (de)
JP (1) JPH0785341B2 (de)
DE (1) DE69020685T2 (de)

Families Citing this family (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5450609A (en) * 1990-11-13 1995-09-12 Compaq Computer Corp. Drive array performance monitor
US5220466A (en) * 1991-05-21 1993-06-15 International Business Machines Corporation Method and apparatus for digital filter control in a partial-response maximum-likelihood disk drive system
US5357520A (en) * 1992-01-31 1994-10-18 International Business Machines Corporation Method and apparatus for precompensation value determination in a PRML data channel
NL9200397A (nl) * 1992-03-04 1993-10-01 Philips Nv Informatie-optekeninrichting.
JP2948016B2 (ja) * 1992-03-19 1999-09-13 株式会社日立製作所 情報記録再生方法
US5392295A (en) * 1992-07-30 1995-02-21 International Business Machines Corporation Error measurement circuit
US5341249A (en) * 1992-08-27 1994-08-23 Quantum Corporation Disk drive using PRML class IV sampling data detection with digital adaptive equalization
US5268848A (en) * 1992-09-30 1993-12-07 International Business Machines Corporation Equalizer adjustment for partial-response maximum-likelihood disk drive systems
US5295128A (en) * 1992-10-28 1994-03-15 International Business Machines Corporation Clock controller employing a discrete time control loop method for clocking data in an asynchronous channel
US5353172A (en) * 1992-11-04 1994-10-04 Alioth Henry L Method of helical tape tracking adjustment using histogram of signal quality versus tape advance distance
US5424881A (en) * 1993-02-01 1995-06-13 Cirrus Logic, Inc. Synchronous read channel
US5724205A (en) * 1993-03-19 1998-03-03 Goldstar Co., Ltd. Automatic tracking control device which uses different weightings with a number of incorrectable, correctable, and non-errors
US5754353A (en) * 1993-07-01 1998-05-19 Cirrus Logic, Inc. Channel quality circuit in a sampled amplitude read channel
US5761212A (en) * 1993-07-01 1998-06-02 Cirrus Logic, Inc. Channel quality
US5444686A (en) * 1993-09-28 1995-08-22 Dunlavy; John H. Method and apparatus for correcting distortion in compact disc recording and playback system
US5373400A (en) * 1993-12-01 1994-12-13 Analog Devices, Inc. Dynamic threshold updating circuit for a maximum likelihood detector using both positive and negative comparators
US5355261A (en) * 1993-12-20 1994-10-11 Guzik Technical Enterprises, Inc. Method and apparatus for measuring error rate of magnetic recording devices having a partial response maximum likelihood data detection channel
US5515220A (en) * 1993-12-30 1996-05-07 Alioth; Henry L. Multielement disk-shaped rotary magnetic media scanners for magnetic media player-recorders
US5490091A (en) * 1994-03-01 1996-02-06 Guzik Technical Enterprises, Inc. Histograms of processed noise samples for measuring error rate of a PRML data detection channel
US6313961B1 (en) 1994-04-29 2001-11-06 Cirrus Logic, Inc. Method and apparatus for calibrating a synchronous read channel integrated circuit
JP3351163B2 (ja) * 1994-07-27 2002-11-25 株式会社日立製作所 情報記録再生装置及び信号処理回路
JP3599383B2 (ja) * 1994-09-20 2004-12-08 株式会社日立グローバルストレージテクノロジーズ 磁気記録再生装置及びデータエラーレート測定方法
US5987634A (en) * 1994-11-17 1999-11-16 Cirrus Logic, Inc. Channel quality circuit in a sampled amplitude read channel
JPH08249133A (ja) * 1994-12-15 1996-09-27 Internatl Business Mach Corp <Ibm> ディスク・ドライブ・アレイの故障対策の方法及びシステム
US5557482A (en) * 1994-12-19 1996-09-17 International Business Machines Corporation Multipath channel apparatus and method for data storage devices and communications systems wherein a data path is selected based on errors
US6032262A (en) * 1995-04-18 2000-02-29 Emc Corporation Disk drive reliability determination system and method
US5633767A (en) * 1995-06-06 1997-05-27 International Business Machines Corporation Adaptive and in-situ load/unload damage estimation and compensation
US5872672A (en) * 1996-02-16 1999-02-16 International Business Machines Corporation System and method for monitoring and analyzing tape servo performance
US5914827A (en) * 1996-02-28 1999-06-22 Silicon Systems, Inc. Method and apparatus for implementing a noise generator in an integrated circuit disk drive read channel
US5786951A (en) * 1996-06-05 1998-07-28 Cirrus Logic, Inc. Sampled amplitude read channel employing a discrete time noise generator for calibration
JP2000516010A (ja) * 1996-07-22 2000-11-28 シーゲート テクノロジー，インコーポレイテッド データ読出しチャンネル特性制御
US6016463A (en) * 1996-08-26 2000-01-18 Texas Instruments Incorporated Channel quality monitor for read channel IC
US6134065A (en) * 1996-09-06 2000-10-17 U.S. Philips Corporation Method and device utilizing erasure information as a reliability indicator in an information medium
US5926489A (en) * 1996-11-22 1999-07-20 Lsi Logic Corporation Non-equalized digital receiver using block decoding with erasure and error correction
US5838153A (en) * 1996-12-13 1998-11-17 Phase Metrics, Inc. Magnetic media tester which includes a filter that filters the product of a read signal and an output of a phase lock loop circuit
US5895438A (en) * 1996-12-23 1999-04-20 Hitachi Computer Products (America ), Inc. Inline disk tester
US6442730B1 (en) 1997-01-27 2002-08-27 Lecroy Corporation Recording medium failure analysis apparatus and method
JP3887062B2 (ja) * 1997-05-08 2007-02-28 株式会社東芝 ディスク装置及び同装置に適用されるスループット・パフォーマンス測定方法
US6877116B1 (en) 1997-08-28 2005-04-05 Seagate Technology Llc Method and apparatus for determining bit error rate in a sampled data system without requiring read channel circuitry
KR100424131B1 (ko) * 1997-08-28 2004-03-24 시게이트 테크놀로지 엘엘씨 샘플링된 데이터 시스템의 비트 에러율을 결정하는 방법 및 장치
US6292912B1 (en) 1998-02-27 2001-09-18 Western Digital Technologies, Inc. Disk drive having built-in self-test system for characterizing performance of the drive
US6181499B1 (en) * 1998-04-07 2001-01-30 International Business Machines Corporation Method and apparatus for testing the digital read channel circuit of a data storage device
US6151180A (en) * 1998-04-15 2000-11-21 Samsung Electronics Co., Ltd. Method and apparatus for detecting defects on a disk in a hard disk drive
US6704161B1 (en) 1998-11-06 2004-03-09 Samsung Electronics Co. Ltd. Shock protection skin bumper for a hard disk drive
US6417986B1 (en) 1998-11-16 2002-07-09 Samsung Electronics Co., Ltd. Impact guard for limiting hard disk movement
US6549372B1 (en) 1998-12-15 2003-04-15 Samsung Electronics Co., Ltd Device for limiting head movement within a hard disk drive
WO2000042609A1 (fr) 1999-01-18 2000-07-20 Fujitsu Limited Procede et dispositif de commande de signal reproduit
US6417994B1 (en) 1999-04-22 2002-07-09 Samsung Electronics, Co., Ltd. Swage plate with protruded walls to increase retention torque in hard disk applications
JP4077993B2 (ja) 1999-07-30 2008-04-23 株式会社日立グローバルストレージテクノロジーズ 性能評価方法及び性能評価装置並びにこれらを用いた記録再生装置
US6501614B1 (en) 1999-08-19 2002-12-31 Samsung Electronics Co., Ltd. Acoustic insulator for controlling noise generated in a mass storage device
US6604211B1 (en) 1999-08-31 2003-08-05 Seagate Technology Llc Tool for initiating and analyzing error recovery procedures in data storage devices
US6744597B2 (en) 1999-10-29 2004-06-01 Samsung Electronics Co., Ltd. Dynamic absorber for an actuator arm in a disk drive
US6384599B1 (en) 2000-02-01 2002-05-07 International Business Machines Corporation System, method, and program for analyzing offset track errors in a storage system
US6791778B2 (en) 2000-09-14 2004-09-14 Samsung Electronics Co., Inc. Method and apparatus to detect and manage servo sectors with defect on servo pattern area in hard disk drives
US6446517B1 (en) 2000-11-20 2002-09-10 Samsung Electronics Company Controlled particle deposition in drives and on media for thermal asperity studies
US6590738B2 (en) 2001-03-01 2003-07-08 Samsung Electronics Co., Ltd. Particle removal device in a hard disk drive
US6762908B2 (en) 2001-06-18 2004-07-13 Samsung Electronics Co., Ltd. Air razor and disk limiter for a hard disk drive
US6771442B2 (en) 2001-06-29 2004-08-03 Infineon Technologies Ag Off-track interference emulator
US6791775B2 (en) 2001-10-15 2004-09-14 Samsung Electronics, Co., Inc. Method and apparatus to distinguish effects of adjacent track encroachment from head thermal movement
US6556006B1 (en) 2001-11-21 2003-04-29 Samsung Electronics Co., Ltd. Method for magneto-resistive head electrostatic popping detection
US6777929B2 (en) 2002-08-27 2004-08-17 International Business Machines Corporation Cross talk bit error rate testing of a magnetic head
US7506236B2 (en) * 2004-05-28 2009-03-17 International Business Machines Corporation Techniques for operating semiconductor devices
US7193801B2 (en) * 2004-11-18 2007-03-20 Agere Systems, Inc. Method and apparatus for testing a servo circuit of a read/write head system
US7562282B1 (en) 2005-05-23 2009-07-14 Western Digital Technologies, Inc. Disk drive employing error threshold counters to generate an ECC error distribution
US7529049B2 (en) 2006-09-01 2009-05-05 Hitachi Global Storage Technologies Netherlands B.V. Method and system for testing of magnetic disks using F-BER
JP4748100B2 (ja) * 2007-05-08 2011-08-17 Ｔｄｋ株式会社 光記録再生の信号評価方法、光記録再生方法
TWI391918B (zh) * 2009-06-15 2013-04-01 Novatek Microelectronics Corp 資料復原裝置與方法
US9099159B1 (en) 2013-08-06 2015-08-04 Western Digital Technologies, Inc. Disk drive generating quality metric map for a data track while in different configurations

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4394695A (en) * 1981-02-02 1983-07-19 Sharp Corporation Method and apparatus for evaluating recording systems
JPS57208613A (en) * 1981-06-15 1982-12-21 Nippon Denso Co Ltd Magnetic recorder and reproducer
US4504872A (en) * 1983-02-08 1985-03-12 Ampex Corporation Digital maximum likelihood detector for class IV partial response
JPS60115073A (ja) * 1983-11-28 1985-06-21 Matsushita Electric Ind Co Ltd 光情報記録再生装置
US4578721A (en) * 1984-09-10 1986-03-25 Seagate Technology Stress test for magnetic disc recording apparatus
US4574234A (en) * 1984-09-26 1986-03-04 Applied Magnetics Corporation System for measuring selected parameters of electrical signals and method
IE60167B1 (en) * 1987-06-10 1994-06-15 Benares Limited Method and apparatus for testing characteristics of a flop disc and floppy disc drive
US4970609A (en) * 1988-10-17 1990-11-13 International Business Machines Corporation Clocking method and apparatus for use with partial response coded binary data

Also Published As

Publication number Publication date
EP0426353A3 (en) 1991-11-13
DE69020685D1 (de) 1995-08-10
JPH03144969A (ja) 1991-06-20
US5121263A (en) 1992-06-09
EP0426353A2 (de) 1991-05-08
EP0426353B1 (de) 1995-07-05
JPH0785341B2 (ja) 1995-09-13

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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