JP2002189570A - 記憶システムの二重化方法および記憶システム - Google Patents

記憶システムの二重化方法および記憶システム

Info

Publication number
JP2002189570A
JP2002189570A JP2000391833A JP2000391833A JP2002189570A JP 2002189570 A JP2002189570 A JP 2002189570A JP 2000391833 A JP2000391833 A JP 2000391833A JP 2000391833 A JP2000391833 A JP 2000391833A JP 2002189570 A JP2002189570 A JP 2002189570A
Authority
JP
Japan
Prior art keywords
data
storage system
logical volumes
vol
volume
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Withdrawn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
JP2000391833A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002189570A5 (enExample
Inventor
Yasuaki Nakamura
泰明 中村
Hideo Tabuchi
英夫 田渕
Akinobu Shimada
朗伸 島田
Toshio Nakano
俊夫 中野
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Ltd filed Critical Hitachi Ltd
Priority to JP2000391833A priority Critical patent/JP2002189570A/ja
Priority to EP01103971A priority patent/EP1217523A1/en
Priority to EP03022685A priority patent/EP1398702A3/en
Priority to US09/797,479 priority patent/US6754792B2/en
Publication of JP2002189570A publication Critical patent/JP2002189570A/ja
Priority to US10/763,603 priority patent/US6978347B2/en
Publication of JP2002189570A5 publication Critical patent/JP2002189570A5/ja
Withdrawn legal-status Critical Current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
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
    • G06F11/2056—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring
    • G06F11/2071—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring using a plurality of controllers
    • 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
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
    • G06F11/2056—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring
    • G06F11/2064—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring while ensuring consistency
    • 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
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
    • G06F11/2056—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring
    • G06F11/2082—Data synchronisation
    • 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
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1446—Point-in-time backing up or restoration of persistent data
    • G06F11/1458—Management of the backup or restore process
    • G06F11/1461—Backup scheduling policy
    • 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
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
    • G06F11/2056—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring
    • G06F11/2066—Optimisation of the communication load
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
    • G06F2201/82—Solving problems relating to consistency
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99951—File or database maintenance
    • Y10S707/99952—Coherency, e.g. same view to multiple users
    • Y10S707/99953—Recoverability
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99951—File or database maintenance
    • Y10S707/99952—Coherency, e.g. same view to multiple users
    • Y10S707/99955—Archiving or backup

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Hardware Redundancy (AREA)
JP2000391833A 2000-12-20 2000-12-20 記憶システムの二重化方法および記憶システム Withdrawn JP2002189570A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2000391833A JP2002189570A (ja) 2000-12-20 2000-12-20 記憶システムの二重化方法および記憶システム
EP01103971A EP1217523A1 (en) 2000-12-20 2001-02-19 Method and apparatus for re-synchronizing paired disk volumes via communication line
EP03022685A EP1398702A3 (en) 2000-12-20 2001-02-19 Method and system for remotely copying data
US09/797,479 US6754792B2 (en) 2000-12-20 2001-02-28 Method and apparatus for resynchronizing paired volumes via communication line
US10/763,603 US6978347B2 (en) 2000-12-20 2004-01-22 Method and apparatus for re-synchronizing paired volumes via communication line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000391833A JP2002189570A (ja) 2000-12-20 2000-12-20 記憶システムの二重化方法および記憶システム

Publications (2)

Publication Number Publication Date
JP2002189570A true JP2002189570A (ja) 2002-07-05
JP2002189570A5 JP2002189570A5 (enExample) 2007-11-29

Family

ID=18857919

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000391833A Withdrawn JP2002189570A (ja) 2000-12-20 2000-12-20 記憶システムの二重化方法および記憶システム

Country Status (3)

Country Link
US (2) US6754792B2 (enExample)
EP (2) EP1217523A1 (enExample)
JP (1) JP2002189570A (enExample)

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JP2005250921A (ja) * 2004-03-05 2005-09-15 Hitachi Ltd バックアップシステムおよび方法
JP2005285086A (ja) * 2004-03-29 2005-10-13 Hitachi Ltd マルチステージのボリュームロッキングに対する方法と装置
JP2005292952A (ja) * 2004-03-31 2005-10-20 Hitachi Ltd ストレージシステム、ストレージ装置及びリモートコピー方法
JP2005353044A (ja) * 2004-05-11 2005-12-22 Hitachi Ltd 計算機システムおよび計算機システムの制御方法
JP2006023889A (ja) * 2004-07-07 2006-01-26 Hitachi Ltd リモートコピーシステム及び記憶装置システム
JP2006048578A (ja) * 2004-08-09 2006-02-16 Hitachi Ltd 計算機システム、計算機及びそのプログラム。
JP2006099536A (ja) * 2004-09-30 2006-04-13 Hitachi Ltd バックアップデータの利用方法およびプログラム
JP2007264946A (ja) * 2006-03-28 2007-10-11 Hitachi Ltd ストレージシステム及びストレージシステムのリモートコピー制御方法
US7380078B2 (en) 2003-11-21 2008-05-27 Hitachi, Ltd. Method of monitoring status information of remote storage and storage subsystem
JP2008152796A (ja) * 2008-01-11 2008-07-03 Nec Corp データ複製システム、およびストレージ内のデータを複製するためのプログラム
JP2008165819A (ja) * 2008-01-30 2008-07-17 Hitachi Ltd 記憶デバイス制御装置の制御方法、記憶デバイス制御装置、及びプログラム
JP2009151635A (ja) * 2007-12-21 2009-07-09 Nomura Research Institute Ltd 業務継続システム
US7739371B2 (en) 2004-06-09 2010-06-15 Hitachi, Ltd. Computer system
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US6978347B2 (en) 2005-12-20
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