JP4382602B2 - リモートコピーシステム - Google Patents

リモートコピーシステム Download PDF

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Publication number
JP4382602B2
JP4382602B2 JP2004219482A JP2004219482A JP4382602B2 JP 4382602 B2 JP4382602 B2 JP 4382602B2 JP 2004219482 A JP2004219482 A JP 2004219482A JP 2004219482 A JP2004219482 A JP 2004219482A JP 4382602 B2 JP4382602 B2 JP 4382602B2
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JP
Japan
Prior art keywords
copy
remote copy
pair
group
logical 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.)
Expired - Fee Related
Application number
JP2004219482A
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English (en)
Japanese (ja)
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JP2005332354A (ja
JP2005332354A5 (enExample
Inventor
卓成 岩村
晋広 牧
孝夫 佐藤
正充 高橋
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Hitachi Ltd
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Hitachi Ltd
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Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2004219482A priority Critical patent/JP4382602B2/ja
Priority to US10/942,936 priority patent/US7225190B2/en
Priority to EP07004465A priority patent/EP1785869B1/en
Priority to DE602004006084T priority patent/DE602004006084T2/de
Priority to EP04025419A priority patent/EP1589428B1/en
Priority to DE602004014998T priority patent/DE602004014998D1/de
Publication of JP2005332354A publication Critical patent/JP2005332354A/ja
Priority to US11/345,544 priority patent/US8161009B2/en
Publication of JP2005332354A5 publication Critical patent/JP2005332354A5/ja
Application granted granted Critical
Publication of JP4382602B2 publication Critical patent/JP4382602B2/ja
Priority to US13/428,956 priority patent/US20120191659A1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • G06F11/2074—Asynchronous techniques
    • 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
    • G06F11/2069—Management of state, configuration or failover
    • 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
    • G06F11/2076—Synchronous techniques
    • 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
    • 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

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  • 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)
JP2004219482A 2004-04-23 2004-07-28 リモートコピーシステム Expired - Fee Related JP4382602B2 (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP2004219482A JP4382602B2 (ja) 2004-04-23 2004-07-28 リモートコピーシステム
US10/942,936 US7225190B2 (en) 2004-04-23 2004-09-17 Remote copying system with consistency guaranteed between a pair
DE602004006084T DE602004006084T2 (de) 2004-04-23 2004-10-26 Fernkopiersystem mit garantierter Konsistenz eines Daten-Paares
EP04025419A EP1589428B1 (en) 2004-04-23 2004-10-26 Remote copying system with consistency guaranteed between a pair
EP07004465A EP1785869B1 (en) 2004-04-23 2004-10-26 Remote copying system with consistency guaranteed between a pair
DE602004014998T DE602004014998D1 (de) 2004-04-23 2004-10-26 Fernkopiersystem mit garantierter Konsistenz eines Daten-Paares
US11/345,544 US8161009B2 (en) 2004-04-23 2006-02-02 Remote copying system with consistency guaranteed between a pair
US13/428,956 US20120191659A1 (en) 2004-04-23 2012-03-23 Remote copying system with consistency guaranteed between a pair

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004127562 2004-04-23
JP2004219482A JP4382602B2 (ja) 2004-04-23 2004-07-28 リモートコピーシステム

Publications (3)

Publication Number Publication Date
JP2005332354A JP2005332354A (ja) 2005-12-02
JP2005332354A5 JP2005332354A5 (enExample) 2006-11-02
JP4382602B2 true JP4382602B2 (ja) 2009-12-16

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Family Applications (1)

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JP2004219482A Expired - Fee Related JP4382602B2 (ja) 2004-04-23 2004-07-28 リモートコピーシステム

Country Status (4)

Country Link
US (3) US7225190B2 (enExample)
EP (2) EP1589428B1 (enExample)
JP (1) JP4382602B2 (enExample)
DE (2) DE602004014998D1 (enExample)

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Publication number Publication date
DE602004006084D1 (de) 2007-06-06
US8161009B2 (en) 2012-04-17
DE602004006084T2 (de) 2008-01-03
EP1589428A1 (en) 2005-10-26
DE602004014998D1 (de) 2008-08-21
EP1785869B1 (en) 2008-07-09
JP2005332354A (ja) 2005-12-02
US7225190B2 (en) 2007-05-29
EP1785869A1 (en) 2007-05-16
US20050240634A1 (en) 2005-10-27
US20120191659A1 (en) 2012-07-26
US20060161721A1 (en) 2006-07-20
EP1589428B1 (en) 2007-04-25

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