TW200516380A - System and method for autonomous data scrubbing in a hard disk drive - Google Patents

System and method for autonomous data scrubbing in a hard disk drive

Info

Publication number
TW200516380A
TW200516380A TW093120240A TW93120240A TW200516380A TW 200516380 A TW200516380 A TW 200516380A TW 093120240 A TW093120240 A TW 093120240A TW 93120240 A TW93120240 A TW 93120240A TW 200516380 A TW200516380 A TW 200516380A
Authority
TW
Taiwan
Prior art keywords
scrubbing
hard disk
data scrubbing
data
band
Prior art date
Application number
TW093120240A
Other languages
English (en)
Chinese (zh)
Inventor
Richard M H New
Spencer W Ng
Original Assignee
Hitachi Global Storage Tech Nl
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 Hitachi Global Storage Tech Nl filed Critical Hitachi Global Storage Tech Nl
Publication of TW200516380A publication Critical patent/TW200516380A/zh

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)
TW093120240A 2003-07-29 2004-07-06 System and method for autonomous data scrubbing in a hard disk drive TW200516380A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
TW200516380A true TW200516380A (en) 2005-05-16

Family

ID=33541483

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093120240A TW200516380A (en) 2003-07-29 2004-07-06 System and method for autonomous data scrubbing in a hard disk drive

Country Status (7)

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

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US7882314B2 (en) * 2007-09-07 2011-02-01 International Business Machines Corporation Efficient scheduling of background scrub commands
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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JP4951493B2 (ja) * 2007-12-21 2012-06-13 株式会社日立製作所 ディスクアレイ装置
US7788541B2 (en) * 2008-04-15 2010-08-31 Dot Hill Systems Corporation Apparatus and method for identifying disk drives with unreported data corruption
JP5179649B2 (ja) * 2008-04-22 2013-04-10 エルエスアイ コーポレーション ドライブアレイにおける分散キャッシュシステム
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
US20110099421A1 (en) * 2009-09-30 2011-04-28 Alessandro Geist Radiation-hardened hybrid processor
US8407191B1 (en) * 2010-06-29 2013-03-26 Emc Corporation Priority based data scrubbing on a deduplicated data store
US8229901B2 (en) 2010-09-04 2012-07-24 International Business Machines Corporation Disk scrubbing
JP5605507B2 (ja) * 2011-06-14 2014-10-15 富士通株式会社 メモリ制御装置および制御方法
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
US10831603B2 (en) 2018-08-03 2020-11-10 Western Digital Technologies, Inc. Rebuild assist using failed storage device
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
US10649843B2 (en) 2018-08-03 2020-05-12 Western Digital Technologies, Inc. Storage systems with peer data scrub
US10901848B2 (en) * 2018-08-03 2021-01-26 Western Digital Technologies, Inc. Storage systems with peer data recovery
US11182258B2 (en) 2019-01-04 2021-11-23 Western Digital Technologies, Inc. Data rebuild using dynamic peer work allocation
US11455402B2 (en) 2019-01-30 2022-09-27 Seagate Technology Llc Non-volatile memory with precise write-once protection
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Also Published As

Publication number Publication date
KR20050013938A (ko) 2005-02-05
US7137038B2 (en) 2006-11-14
EP1503378A2 (en) 2005-02-02
EP1503378A3 (en) 2007-08-08
JP2005050346A (ja) 2005-02-24
US20050028048A1 (en) 2005-02-03
SG148019A1 (en) 2008-12-31
CN1577587A (zh) 2005-02-09

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