DE602004005666T2 - Speichervorrichtung für asynchrone entfernte Datenspiegelung - Google Patents

Speichervorrichtung für asynchrone entfernte Datenspiegelung Download PDF

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Publication number
DE602004005666T2
DE602004005666T2 DE602004005666T DE602004005666T DE602004005666T2 DE 602004005666 T2 DE602004005666 T2 DE 602004005666T2 DE 602004005666 T DE602004005666 T DE 602004005666T DE 602004005666 T DE602004005666 T DE 602004005666T DE 602004005666 T2 DE602004005666 T2 DE 602004005666T2
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DE
Germany
Prior art keywords
data
disk controller
primary
dkc
update data
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 - Lifetime
Application number
DE602004005666T
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German (de)
English (en)
Other versions
DE602004005666D1 (de
Inventor
Yoshiaki c/o Hitachi Ltd Muto
Hisaharu c/o Hitachi Ltd Takeuchi
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Hitachi Ltd
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Hitachi Ltd
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Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of DE602004005666D1 publication Critical patent/DE602004005666D1/de
Application granted granted Critical
Publication of DE602004005666T2 publication Critical patent/DE602004005666T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • G06F11/14—Error detection or correction of the data by redundancy in operations
    • G06F11/1446—Point-in-time backing up or restoration of persistent data
    • G06F11/1448—Management of the data involved in backup or backup restore
    • G06F11/1451—Management of the data involved in backup or backup restore by selection of backup contents
    • 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

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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)
  • Memory System Of A Hierarchy Structure (AREA)
DE602004005666T 2004-03-23 2004-10-06 Speichervorrichtung für asynchrone entfernte Datenspiegelung Expired - Lifetime DE602004005666T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004085032 2004-03-23
JP2004085032A JP4549709B2 (ja) 2004-03-23 2004-03-23 ストレージ装置

Publications (2)

Publication Number Publication Date
DE602004005666D1 DE602004005666D1 (de) 2007-05-16
DE602004005666T2 true DE602004005666T2 (de) 2007-12-27

Family

ID=34858404

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004005666T Expired - Lifetime DE602004005666T2 (de) 2004-03-23 2004-10-06 Speichervorrichtung für asynchrone entfernte Datenspiegelung

Country Status (4)

Country Link
US (2) US7171517B2 (enExample)
EP (1) EP1580662B1 (enExample)
JP (1) JP4549709B2 (enExample)
DE (1) DE602004005666T2 (enExample)

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US7464126B2 (en) * 2005-07-21 2008-12-09 International Business Machines Corporation Method for creating an application-consistent remote copy of data using remote mirroring
KR100825721B1 (ko) 2005-12-08 2008-04-29 한국전자통신연구원 객체 기반 스토리지 시스템에서 사용자 파일 관리자 내의시간 기반 캐쉬 일관성 유지 시스템 및 방법
JP4942418B2 (ja) * 2006-08-04 2012-05-30 株式会社日立製作所 計算機システム及びそのスナップショット作成方法
JP2009104488A (ja) * 2007-10-24 2009-05-14 Hitachi Ltd ストレージ装置及びその制御方法並びにストレージシステム
US8909827B2 (en) * 2008-01-30 2014-12-09 International Business Machines Corporation Method to allow a host to replace logical path resources it owns
US8214341B2 (en) * 2008-03-31 2012-07-03 International Business Machines Corporation Determining when to apply writes received to data units being transferred to a secondary storage
JP5217765B2 (ja) * 2008-08-13 2013-06-19 日本電気株式会社 ディスクアレイ装置間の遠隔データコピー方法、システムおよびプログラム
JP2010198329A (ja) 2009-02-25 2010-09-09 Nec Corp ストレージ装置、ストレージ管理方法及びストレージ管理プログラム
US8843449B2 (en) 2009-06-16 2014-09-23 Bmc Software, Inc. Unobtrusive copies of actively used compressed indices
JP5183650B2 (ja) * 2010-02-17 2013-04-17 株式会社日立製作所 計算機システム，計算機システムにおけるバックアップ方法及びプログラム
US9092667B2 (en) 2012-08-27 2015-07-28 Symbol Technologies, Llc Arrangement for and method of reading forms in correct orientation by image capture
JP5963324B2 (ja) * 2014-08-11 2016-08-03 インターナショナル・ビジネス・マシーンズ・コーポレーションＩｎｔｅｒｎａｔｉｏｎａｌ Ｂｕｓｉｎｅｓｓ Ｍａｃｈｉｎｅｓ Ｃｏｒｐｏｒａｔｉｏｎ 仮想シーケンシャルアクセスボリュームのデータのコピー方法、システム
GB2532732B (en) * 2014-11-25 2019-06-26 Ibm Integrating a communication bridge into a data procesing system
US10033810B2 (en) 2015-12-03 2018-07-24 International Business Machines Corporation Recovery point objective via dynamic usage of bind segments in a global mirror environment
US10133510B2 (en) 2017-01-19 2018-11-20 International Business Machines Corporation Apparatus, method, and program product for data integrity during asynchronous remote copy

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Also Published As

Publication number Publication date
US20050216658A1 (en) 2005-09-29
DE602004005666D1 (de) 2007-05-16
US20070101078A1 (en) 2007-05-03
JP4549709B2 (ja) 2010-09-22
JP2005275582A (ja) 2005-10-06
EP1580662B1 (en) 2007-04-04
EP1580662A1 (en) 2005-09-28
US7600089B2 (en) 2009-10-06
US7171517B2 (en) 2007-01-30

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