KR20050013938A - 하드 디스크 드라이브에서의 자율적인 데이터 스크럽시스템 및 방법 - Google Patents

하드 디스크 드라이브에서의 자율적인 데이터 스크럽시스템 및 방법

Info

Publication number
KR20050013938A
KR20050013938A KR1020040058236A KR20040058236A KR20050013938A KR 20050013938 A KR20050013938 A KR 20050013938A KR 1020040058236 A KR1020040058236 A KR 1020040058236A KR 20040058236 A KR20040058236 A KR 20040058236A KR 20050013938 A KR20050013938 A KR 20050013938A
Authority
KR
South Korea
Prior art keywords
data
scrub
drive
error
scrub cycle
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.)
Withdrawn
Application number
KR1020040058236A
Other languages
English (en)
Korean (ko)
Inventor
뉴리차드엠에이치
엔쥐스펜서더블유
Original Assignee
히다치 글로벌 스토리지 테크놀로지스 네덜란드 비.브이.
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 히다치 글로벌 스토리지 테크놀로지스 네덜란드 비.브이. filed Critical 히다치 글로벌 스토리지 테크놀로지스 네덜란드 비.브이.
Publication of KR20050013938A publication Critical patent/KR20050013938A/ko
Withdrawn legal-status Critical Current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
    • 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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1076—Parity data used in redundant arrays of independent storages, e.g. in RAID systems
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
    • G06F2211/10—Indexing scheme relating to G06F11/10
    • G06F2211/1002—Indexing scheme relating to G06F11/1076
    • G06F2211/1088—Scrubbing in RAID systems with parity

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Debugging And Monitoring (AREA)
KR1020040058236A 2003-07-29 2004-07-26 하드 디스크 드라이브에서의 자율적인 데이터 스크럽시스템 및 방법 Withdrawn KR20050013938A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/629,675 US7137038B2 (en) 2003-07-29 2003-07-29 System and method for autonomous data scrubbing in a hard disk drive
US10/629,675 2003-07-29

Publications (1)

Publication Number Publication Date
KR20050013938A true KR20050013938A (ko) 2005-02-05

Family

ID=33541483

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020040058236A Withdrawn KR20050013938A (ko) 2003-07-29 2004-07-26 하드 디스크 드라이브에서의 자율적인 데이터 스크럽시스템 및 방법

Country Status (7)

Country Link
US (1) US7137038B2 (https=)
EP (1) EP1503378A3 (https=)
JP (1) JP2005050346A (https=)
KR (1) KR20050013938A (https=)
CN (1) CN1577587A (https=)
SG (1) SG148019A1 (https=)
TW (1) TW200516380A (https=)

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US7882323B2 (en) * 2007-09-07 2011-02-01 International Business Machines Corporation Scheduling of background scrub commands to reduce high workload memory request latency
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US8347182B2 (en) * 2008-07-01 2013-01-01 International Business Machines Corporation Ensuring data consistency
US9170879B2 (en) * 2009-06-24 2015-10-27 Headway Technologies, Inc. Method and apparatus for scrubbing accumulated data errors from a memory system
US8280858B2 (en) * 2009-06-29 2012-10-02 Oracle America, Inc. Storage pool scrubbing with concurrent snapshots
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US20130191833A1 (en) * 2012-01-23 2013-07-25 Dell Products L.P. System and method for assuring performance of data scrubbing operations
US9026869B1 (en) * 2012-11-01 2015-05-05 Amazon Technologies, Inc. Importance-based data storage verification
US8892939B2 (en) * 2012-11-21 2014-11-18 Hewlett-Packard Development Company, L.P. Optimizing a RAID volume
US9104604B2 (en) * 2013-02-26 2015-08-11 International Business Machines Corporation Preventing unrecoverable errors during a disk regeneration in a disk array
JP6155768B2 (ja) * 2013-03-29 2017-07-05 富士通株式会社 ストレージ制御装置、ストレージ制御プログラム及びストレージ制御方法
US10534683B2 (en) 2013-08-29 2020-01-14 International Business Machines Corporation Communicating outstanding maintenance tasks to improve disk data integrity
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US9495242B2 (en) 2014-07-30 2016-11-15 International Business Machines Corporation Adaptive error correction in a memory system
US11409870B2 (en) 2016-06-16 2022-08-09 Virsec Systems, Inc. Systems and methods for remediating memory corruption in a computer application
US10310935B2 (en) * 2016-11-17 2019-06-04 International Business Machines Corporation Dynamically restoring disks based on array properties
US11016850B2 (en) * 2018-03-20 2021-05-25 Veritas Technologies Llc Systems and methods for detecting bit rot in distributed storage devices having failure domains
US10901848B2 (en) * 2018-08-03 2021-01-26 Western Digital Technologies, Inc. Storage systems with peer data recovery
US10824526B2 (en) 2018-08-03 2020-11-03 Western Digital Technologies, Inc. Using failed storage device in peer-to-peer storage system to perform storage-centric task
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US10649843B2 (en) 2018-08-03 2020-05-12 Western Digital Technologies, Inc. Storage systems with peer data scrub
US11182258B2 (en) 2019-01-04 2021-11-23 Western Digital Technologies, Inc. Data rebuild using dynamic peer work allocation
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Also Published As

Publication number Publication date
CN1577587A (zh) 2005-02-09
SG148019A1 (en) 2008-12-31
US20050028048A1 (en) 2005-02-03
EP1503378A2 (en) 2005-02-02
EP1503378A3 (en) 2007-08-08
US7137038B2 (en) 2006-11-14
JP2005050346A (ja) 2005-02-24
TW200516380A (en) 2005-05-16

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Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 20040726

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid