JP2001228980A - ディスクアレイ用コントローラ - Google Patents

ディスクアレイ用コントローラ

Info

Publication number
JP2001228980A
JP2001228980A JP2001002698A JP2001002698A JP2001228980A JP 2001228980 A JP2001228980 A JP 2001228980A JP 2001002698 A JP2001002698 A JP 2001002698A JP 2001002698 A JP2001002698 A JP 2001002698A JP 2001228980 A JP2001228980 A JP 2001228980A
Authority
JP
Japan
Prior art keywords
data
controller
data block
disk array
disk
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
JP2001002698A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001228980A5 (enExample
Inventor
L Patterson Brian
ブライアン・エル・パターソン
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of JP2001228980A publication Critical patent/JP2001228980A/ja
Publication of JP2001228980A5 publication Critical patent/JP2001228980A5/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Debugging And Monitoring (AREA)
JP2001002698A 2000-01-24 2001-01-10 ディスクアレイ用コントローラ Pending JP2001228980A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/490,793 US6629273B1 (en) 2000-01-24 2000-01-24 Detection of silent data corruption in a storage system
US09/490793 2000-01-24

Publications (2)

Publication Number Publication Date
JP2001228980A true JP2001228980A (ja) 2001-08-24
JP2001228980A5 JP2001228980A5 (enExample) 2005-07-07

Family

ID=23949493

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001002698A Pending JP2001228980A (ja) 2000-01-24 2001-01-10 ディスクアレイ用コントローラ

Country Status (2)

Country Link
US (1) US6629273B1 (enExample)
JP (1) JP2001228980A (enExample)

Families Citing this family (37)

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EP1191442A2 (en) * 2000-09-19 2002-03-27 Matsushita Electric Industrial Co., Ltd. Data storage array apparatus and operating method for storing error information without delay in data access
US6968463B2 (en) 2001-01-17 2005-11-22 Hewlett-Packard Development Company, L.P. System for controlling access to resources in a storage area network
US6915397B2 (en) * 2001-06-01 2005-07-05 Hewlett-Packard Development Company, L.P. System and method for generating point in time storage copy
DE10135285B4 (de) * 2001-07-19 2005-08-04 Infineon Technologies Ag Speichereinrichtung und Verfahren zum Betreiben eines eine Speichereinrichtung enthaltenden Systems
US6931487B2 (en) * 2001-10-22 2005-08-16 Hewlett-Packard Development Company L.P. High performance multi-controller processing
US7117422B2 (en) * 2002-01-22 2006-10-03 Sun Microsystems, Inc. Error detection in storage data
US7032131B2 (en) * 2002-03-26 2006-04-18 Hewlett-Packard Development Company, L.P. System and method for ensuring merge completion in a storage area network
US6947981B2 (en) * 2002-03-26 2005-09-20 Hewlett-Packard Development Company, L.P. Flexible data replication mechanism
US7007042B2 (en) * 2002-03-28 2006-02-28 Hewlett-Packard Development Company, L.P. System and method for automatic site failover in a storage area network
JP4080227B2 (ja) * 2002-03-28 2008-04-23 株式会社日立製作所 データ検証方法およびディスクアレイ装置
US20040153746A1 (en) * 2002-04-24 2004-08-05 Talagala Nisha D. Mechanisms for embedding and using integrity metadata
US6874004B2 (en) * 2002-04-30 2005-03-29 Microsoft Corporation Method and system for detecting cross linked files
US6959413B2 (en) * 2002-06-18 2005-10-25 Lsi Logic Corporation Method of handling unreadable blocks during rebuilding of a RAID device
US6944791B2 (en) * 2002-07-18 2005-09-13 Lsi Logic Corporation Method of handling unreadable blocks during write of a RAID device
US7051155B2 (en) * 2002-08-05 2006-05-23 Sun Microsystems, Inc. Method and system for striping data to accommodate integrity metadata
US7020805B2 (en) * 2002-08-15 2006-03-28 Sun Microsystems, Inc. Efficient mechanisms for detecting phantom write errors
US7103811B2 (en) * 2002-12-23 2006-09-05 Sun Microsystems, Inc Mechanisms for detecting silent errors in streaming media devices
US7133883B2 (en) * 2002-12-23 2006-11-07 Sun Microsystems, Inc. General techniques for diagnosing data corruptions
JP2005071196A (ja) * 2003-08-27 2005-03-17 Hitachi Ltd ディスクアレイ装置、及びその障害情報の制御方法
US7353432B1 (en) 2003-11-25 2008-04-01 Sun Microsystems, Inc. Maintaining high data integrity
US7082447B2 (en) * 2004-06-16 2006-07-25 Hitachi, Ltd. Method and apparatus for archive data validation in an archive system
US8127088B2 (en) * 2005-01-27 2012-02-28 Hewlett-Packard Development Company, L.P. Intelligent cache management
US7301718B2 (en) * 2005-01-31 2007-11-27 Hewlett-Packard Development Company, L.P. Recording errors in tape drives
US20060230243A1 (en) * 2005-04-06 2006-10-12 Robert Cochran Cascaded snapshots
US7779218B2 (en) * 2005-07-22 2010-08-17 Hewlett-Packard Development Company, L.P. Data synchronization management
US7206156B2 (en) 2005-07-27 2007-04-17 Hewlett-Packard Development Company, L.P. Tape drive error management
US7325078B2 (en) * 2005-10-06 2008-01-29 Hewlett-Packard Development Company, L.P. Secure data scrubbing
US7721053B2 (en) * 2005-10-24 2010-05-18 Hewlett-Packard Development Company, L.P. Intelligent logical unit provisioning
US7467268B2 (en) 2006-04-14 2008-12-16 Hewlett-Packard Development Company, L.P. Concurrent data restore and background copy operations in storage networks
US7934027B2 (en) * 2007-01-19 2011-04-26 Hewlett-Packard Development Company, L.P. Critical resource management
US7861031B2 (en) * 2007-03-01 2010-12-28 Hewlett-Packard Development Company, L.P. Access control management
US8024514B2 (en) * 2007-03-01 2011-09-20 Hewlett-Packard Development Company, L.P. Access control management
US7694079B2 (en) 2007-04-04 2010-04-06 Hewlett-Packard Development Company, L.P. Tagged sequential read operations
US7743283B1 (en) * 2007-04-27 2010-06-22 Netapp, Inc. Dynamically modifying parameters for servicing of storage devices
US7743284B1 (en) 2007-04-27 2010-06-22 Netapp, Inc. Method and apparatus for reporting storage device and storage system data
US8732521B2 (en) * 2011-08-31 2014-05-20 Oracle International Corporation Detection of logical corruption in persistent storage and automatic recovery therefrom
US9026869B1 (en) * 2012-11-01 2015-05-05 Amazon Technologies, Inc. Importance-based data storage verification

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4775978A (en) 1987-01-12 1988-10-04 Magnetic Peripherals Inc. Data error correction system
US5088081A (en) * 1990-03-28 1992-02-11 Prime Computer, Inc. Method and apparatus for improved disk access
US5210860A (en) * 1990-07-20 1993-05-11 Compaq Computer Corporation Intelligent disk array controller
JP2743606B2 (ja) * 1991-04-11 1998-04-22 三菱電機株式会社 アレイ型記録装置
WO1993018456A1 (en) * 1992-03-13 1993-09-16 Emc Corporation Multiple controller sharing in a redundant storage array
US5504858A (en) 1993-06-29 1996-04-02 Digital Equipment Corporation Method and apparatus for preserving data integrity in a multiple disk raid organized storage system
US5581690A (en) 1993-06-29 1996-12-03 Digital Equipment Corporation Method and apparatus for preventing the use of corrupt data in a multiple disk raid organized storage system
US5632012A (en) * 1993-11-24 1997-05-20 Storage Technology Corporation Disk scrubbing system
US5500940A (en) 1994-04-25 1996-03-19 Hewlett-Packard Company Method for evaluating failure in an electronic data storage system and preemptive notification thereof, and system with component failure evaluation
US5615352A (en) 1994-10-05 1997-03-25 Hewlett-Packard Company Methods for adding storage disks to a hierarchic disk array while maintaining data availability
US5572661A (en) 1994-10-05 1996-11-05 Hewlett-Packard Company Methods and system for detecting data loss in a hierarchic data storage system
US5664187A (en) 1994-10-26 1997-09-02 Hewlett-Packard Company Method and system for selecting data for migration in a hierarchic data storage system using frequency distribution tables
US5615335A (en) * 1994-11-10 1997-03-25 Emc Corporation Storage system self-test apparatus and method
US5961652A (en) 1995-10-13 1999-10-05 Compaq Computer Corporation Read checking for drive rebuild
US6223301B1 (en) * 1997-09-30 2001-04-24 Compaq Computer Corporation Fault tolerant memory

Also Published As

Publication number Publication date
US6629273B1 (en) 2003-09-30

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