JPH09297691A5 - - Google Patents

Info

Publication number
JPH09297691A5
JPH09297691A5 JP1997022651A JP2265197A JPH09297691A5 JP H09297691 A5 JPH09297691 A5 JP H09297691A5 JP 1997022651 A JP1997022651 A JP 1997022651A JP 2265197 A JP2265197 A JP 2265197A JP H09297691 A5 JPH09297691 A5 JP H09297691A5
Authority
JP
Japan
Prior art keywords
mse
value
determining
values
read operation
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.)
Pending
Application number
JP1997022651A
Other languages
English (en)
Japanese (ja)
Other versions
JPH09297691A (ja
Filing date
Publication date
Priority claimed from US08/598,829 external-priority patent/US5889784A/en
Application filed filed Critical
Publication of JPH09297691A publication Critical patent/JPH09297691A/ja
Publication of JPH09297691A5 publication Critical patent/JPH09297691A5/ja
Pending legal-status Critical Current

Links

JP9022651A 1996-02-05 1997-02-05 データ記憶システム障害検出方法 Pending JPH09297691A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US598,829 1996-02-05
US08/598,829 US5889784A (en) 1996-02-05 1996-02-05 Predictive failure detection for data storage systems

Publications (2)

Publication Number Publication Date
JPH09297691A JPH09297691A (ja) 1997-11-18
JPH09297691A5 true JPH09297691A5 (enExample) 2004-10-14

Family

ID=24397082

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9022651A Pending JPH09297691A (ja) 1996-02-05 1997-02-05 データ記憶システム障害検出方法

Country Status (3)

Country Link
US (1) US5889784A (enExample)
EP (1) EP0788102A3 (enExample)
JP (1) JPH09297691A (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6317850B1 (en) * 2000-01-18 2001-11-13 Western Digital Technologies, Inc. Error rate measurement in disk drive by weighting data-recovery procedures
JP3840048B2 (ja) * 2000-05-10 2006-11-01 株式会社東芝 情報再生装置又は情報記録媒体の評価方法、所定の評価基準を満たした情報記録媒体、及び所定の評価基準を満たした情報記録媒体を再生する情報再生装置
US6697203B1 (en) * 2000-05-24 2004-02-24 Maxtor Corporation Method for determining lifetime for media thermal decay
US20020091965A1 (en) * 2000-12-22 2002-07-11 Mark Moshayedi System and method for early detection of impending failure of a data storage system
US20030067998A1 (en) * 2001-07-19 2003-04-10 Matsushita Electric Industrial Co., Ltd. Method for evaluating the quality of read signal and apparatus for reading information
US6982842B2 (en) * 2002-09-16 2006-01-03 Seagate Technology Llc Predictive disc drive failure methodology
WO2004025650A1 (en) * 2002-09-16 2004-03-25 Seagate Technology, Inc. Predictive disc drive failure methodology
US6937422B2 (en) * 2002-11-07 2005-08-30 Hitachi Global Technologies Netherlands B.V. Self-monitoring and self-healing of frequency specific position errors in a data storage device
CA2433750A1 (en) 2003-06-27 2004-12-27 Ibm Canada Limited - Ibm Canada Limitee Automatic collection of trace detail and history data
US20060109578A1 (en) * 2004-11-19 2006-05-25 Matsushita Electric Industrial Co., Ltd. Systems and methods for using microjog calibration to detect damaged heads
US8301938B2 (en) 2005-03-21 2012-10-30 Hewlett-Packard Development Company, L.P. Managing memory health
KR100820901B1 (ko) * 2006-08-10 2008-04-10 엔에이치엔(주) 안전 재고 예측 방법 및 그 장치
US7707461B2 (en) * 2007-01-31 2010-04-27 Hewlett-Packard Development Company, L.P. Digital media drive failure prediction system and method
US7885790B2 (en) * 2008-03-19 2011-02-08 Daniel Measurement And Control, Inc. Method and system of determining forthcoming failure of transducers
US8634157B2 (en) * 2011-05-12 2014-01-21 Sae Magnetics (H.K.) Ltd. Close loop method for measuring head SNR and media SNR
US9996445B2 (en) * 2014-01-17 2018-06-12 International Business Machines Corporation Computer flight recorder with active error detection
CN107886992A (zh) * 2017-11-06 2018-04-06 郑州云海信息技术有限公司 一种raid健康状态检测方法、系统及相关装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5351134A (en) * 1988-04-07 1994-09-27 Canon Kabushiki Kaisha Image communication system, and image communication apparatus and modem used in the system
US5392295A (en) * 1992-07-30 1995-02-21 International Business Machines Corporation Error measurement circuit
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
US5552942A (en) * 1994-08-23 1996-09-03 Quantum Corporation Zero phase start optimization using mean squared error in a PRML recording channel
US5493454A (en) * 1994-10-04 1996-02-20 Quantum Corporation Write precompensation optimization in a PRML channel using a selected PRML signal level
US5663733A (en) * 1995-08-28 1997-09-02 Trimble Navigation Limited Digital bandwidth compression for optimum tracking in satellite positioning system receiver

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