JP4074072B2 - データの完全性を備えるリモートコピーシステム - Google Patents

データの完全性を備えるリモートコピーシステム Download PDF

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Publication number
JP4074072B2
JP4074072B2 JP2001255452A JP2001255452A JP4074072B2 JP 4074072 B2 JP4074072 B2 JP 4074072B2 JP 2001255452 A JP2001255452 A JP 2001255452A JP 2001255452 A JP2001255452 A JP 2001255452A JP 4074072 B2 JP4074072 B2 JP 4074072B2
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Japan
Prior art keywords
remote
disk system
local
disk
data
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Japanese (ja)
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JP2002149499A (ja
JP2002149499A5 (enExample
Inventor
彰 山本
憲司 山神
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Hitachi Ltd
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Hitachi Ltd
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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
    • G06F11/2064—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
    • G06F11/2071—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
    • 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)
  • Techniques For Improving Reliability Of Storages (AREA)
JP2001255452A 2000-08-29 2001-08-27 データの完全性を備えるリモートコピーシステム Expired - Fee Related JP4074072B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/650,217 US6701455B1 (en) 2000-08-29 2000-08-29 Remote copy system with data integrity
US09/650217 2000-08-29

Publications (3)

Publication Number Publication Date
JP2002149499A JP2002149499A (ja) 2002-05-24
JP2002149499A5 JP2002149499A5 (enExample) 2005-06-16
JP4074072B2 true JP4074072B2 (ja) 2008-04-09

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JP2001255452A Expired - Fee Related JP4074072B2 (ja) 2000-08-29 2001-08-27 データの完全性を備えるリモートコピーシステム

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Country Link
US (1) US6701455B1 (enExample)
JP (1) JP4074072B2 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9762671B2 (en) 2013-02-20 2017-09-12 Panasonic Intellectual Property Management Co., Ltd. Wireless access device and wireless access system
US10162833B2 (en) 2013-02-20 2018-12-25 Panasonic Intellectual Property Management Co., Ltd. Wireless access device and wireless access system

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* Cited by examiner, † Cited by third party
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JP4426736B2 (ja) * 2001-04-27 2010-03-03 株式会社日立製作所 プログラム修正方法およびプログラム
GB0227786D0 (en) * 2002-11-29 2003-01-08 Ibm Improved remote copy synchronization in disaster recovery computer systems
JP2004227448A (ja) * 2003-01-27 2004-08-12 Hitachi Ltd テープ管理方法及びシステム
JP2004302556A (ja) * 2003-03-28 2004-10-28 Hitachi Ltd 複数の計算機システム間でのデータ共有方法およびディスク制御装置
JP2004334434A (ja) 2003-05-06 2004-11-25 Hitachi Ltd 双方向コピー制御機能を有する記憶装置システム
JP2005018510A (ja) * 2003-06-27 2005-01-20 Hitachi Ltd データセンタシステム及びその制御方法
JP4371724B2 (ja) 2003-07-03 2009-11-25 株式会社日立製作所 記憶システム及び記憶装置システム
JP4434857B2 (ja) * 2003-12-04 2010-03-17 株式会社日立製作所 リモートコピーシステム及びシステム
JP4422519B2 (ja) 2004-03-18 2010-02-24 株式会社日立製作所 情報処理システム
GB0412609D0 (en) * 2004-06-05 2004-07-07 Ibm Storage system with inhibition of cache destaging
JP4421385B2 (ja) * 2004-06-09 2010-02-24 株式会社日立製作所 計算機システム
JP4508798B2 (ja) 2004-08-09 2010-07-21 株式会社日立製作所 ストレージリモートコピー方式
JP4639112B2 (ja) * 2005-04-28 2011-02-23 株式会社日立製作所 リモートコピートポロジチェック方法
JP4927408B2 (ja) * 2006-01-25 2012-05-09 株式会社日立製作所 記憶システム及びそのデータ復元方法
US7725764B2 (en) * 2006-08-04 2010-05-25 Tsx Inc. Failover system and method
US8898355B2 (en) * 2007-03-29 2014-11-25 Lenovo (Singapore) Pte. Ltd. Diskless client using a hypervisor
JP2008257576A (ja) * 2007-04-06 2008-10-23 Mitsubishi Electric Corp 仮想計算機実行装置及びバックアッププログラム
US7644300B1 (en) * 2007-04-20 2010-01-05 3Par, Inc. Fast resynchronization of data from a remote copy
JP4400653B2 (ja) * 2007-06-11 2010-01-20 株式会社日立製作所 情報システム、および、情報システムの情報保存方法
US8959182B1 (en) 2008-04-15 2015-02-17 Crimson Corporation Systems and methods for computer data recovery and destruction
US20090290714A1 (en) * 2008-05-20 2009-11-26 Microsoft Corporation Protocol for Verifying Integrity of Remote Data
US20100088520A1 (en) * 2008-10-02 2010-04-08 Microsoft Corporation Protocol for determining availability of peers in a peer-to-peer storage system
US9569349B2 (en) * 2008-12-19 2017-02-14 Ati Technologies Ulc Method and apparatus for reallocating memory content
US9910740B1 (en) * 2014-06-30 2018-03-06 EMC IP Holding Company LLC Concurrent recovery operation management
US10515671B2 (en) 2016-09-22 2019-12-24 Advanced Micro Devices, Inc. Method and apparatus for reducing memory access latency
JP7050707B2 (ja) * 2019-03-15 2022-04-08 Ｎｅｃプラットフォームズ株式会社 ストレージ制御装置、ストレージシステム、ストレージ制御方法、及び、ストレージ制御プログラム

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US5544347A (en) 1990-09-24 1996-08-06 Emc Corporation Data storage system controlled remote data mirroring with respectively maintained data indices
US5692155A (en) * 1995-04-19 1997-11-25 International Business Machines Corporation Method and apparatus for suspending multiple duplex pairs during back up processing to insure storage devices remain synchronized in a sequence consistent order
US5754754A (en) * 1995-07-26 1998-05-19 International Business Machines Corporation Transmission order based selective repeat data transmission error recovery system and method
US6098180A (en) * 1997-02-18 2000-08-01 E-Parcel, Llc Robust delivery system
US6065018A (en) * 1998-03-04 2000-05-16 International Business Machines Corporation Synchronizing recovery log having time stamp to a remote site for disaster recovery of a primary database having related hierarchial and relational databases
US6212240B1 (en) * 1998-06-24 2001-04-03 Motorola, Inc. Method and apparatus for conveying data between communication devices
US6308284B1 (en) * 1998-08-28 2001-10-23 Emc Corporation Method and apparatus for maintaining data coherency
US6463501B1 (en) * 1999-10-21 2002-10-08 International Business Machines Corporation Method, system and program for maintaining data consistency among updates across groups of storage areas using update times
US6526418B1 (en) * 1999-12-16 2003-02-25 Livevault Corporation Systems and methods for backing up data files
US6484187B1 (en) * 2000-04-28 2002-11-19 International Business Machines Corporation Coordinating remote copy status changes across multiple logical sessions to maintain consistency
AU2001272970A1 (en) * 2000-06-22 2002-01-02 Synchrologic, Inc. A system and method for file transmission using file differentiation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9762671B2 (en) 2013-02-20 2017-09-12 Panasonic Intellectual Property Management Co., Ltd. Wireless access device and wireless access system
US10162833B2 (en) 2013-02-20 2018-12-25 Panasonic Intellectual Property Management Co., Ltd. Wireless access device and wireless access system

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JP2002149499A (ja) 2002-05-24
US6701455B1 (en) 2004-03-02

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