DE60001460D1 - Datenfernkopieren unter verwendung von potentiellen aufhebungsbefehlen - Google Patents

Datenfernkopieren unter verwendung von potentiellen aufhebungsbefehlen

Info

Publication number
DE60001460D1
DE60001460D1 DE60001460T DE60001460T DE60001460D1 DE 60001460 D1 DE60001460 D1 DE 60001460D1 DE 60001460 T DE60001460 T DE 60001460T DE 60001460 T DE60001460 T DE 60001460T DE 60001460 D1 DE60001460 D1 DE 60001460D1
Authority
DE
Germany
Prior art keywords
controller
remote copy
primary
indicators
recording devices
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
DE60001460T
Other languages
English (en)
Other versions
DE60001460T2 (de
Inventor
William Mikkelsen
David Davenport
John Dutch
Anne Martinage
Allan Ruehle
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 Data System Corp
Original Assignee
Hitachi Data System Corp
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 Data System Corp filed Critical Hitachi Data System Corp
Application granted granted Critical
Publication of DE60001460D1 publication Critical patent/DE60001460D1/de
Publication of DE60001460T2 publication Critical patent/DE60001460T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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; CALCULATING OR 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
    • 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
DE60001460T 1999-07-12 2000-07-07 Datenfernkopieren unter verwendung von potentiellen aufhebungsbefehlen Expired - Lifetime DE60001460T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/352,549 US6539462B1 (en) 1999-07-12 1999-07-12 Remote data copy using a prospective suspend command
PCT/US2000/040330 WO2001004754A2 (en) 1999-07-12 2000-07-07 Remote data copy using a prospective suspend command

Publications (2)

Publication Number Publication Date
DE60001460D1 true DE60001460D1 (de) 2003-03-27
DE60001460T2 DE60001460T2 (de) 2003-10-23

Family

ID=23385590

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60001460T Expired - Lifetime DE60001460T2 (de) 1999-07-12 2000-07-07 Datenfernkopieren unter verwendung von potentiellen aufhebungsbefehlen

Country Status (7)

Country Link
US (2) US6539462B1 (de)
EP (1) EP1204923B1 (de)
JP (1) JP2003504756A (de)
AU (1) AU6953600A (de)
CA (1) CA2376242C (de)
DE (1) DE60001460T2 (de)
WO (1) WO2001004754A2 (de)

Families Citing this family (101)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7114049B2 (en) * 1997-01-08 2006-09-26 Hitachi, Ltd. Adaptive remote copy in a heterogeneous environment
US6665781B2 (en) * 2000-10-17 2003-12-16 Hitachi, Ltd. Method and apparatus for data duplexing in storage unit system
US6988176B2 (en) * 1997-09-12 2006-01-17 Hitachi, Ltd. Method and apparatus for data duplexing in storage unit system
JP4689137B2 (ja) * 2001-08-08 2011-05-25 株式会社日立製作所 リモートコピー制御方法、及びストレージシステム
JP2000305856A (ja) 1999-04-26 2000-11-02 Hitachi Ltd ディスクサブシステム及びこれらの統合システム
US7167962B2 (en) 1999-08-19 2007-01-23 Hitachi, Ltd. Remote copy for a storage controller with reduced data size
FI19991811A (fi) * 1999-08-25 2001-02-26 Nokia Networks Oy Menetelmä ja järjestelmä varmuuskopiointiin
JP4434407B2 (ja) * 2000-01-28 2010-03-17 株式会社日立製作所 サブシステム及びこれらの統合システム
JP4044717B2 (ja) 2000-03-31 2008-02-06 株式会社日立製作所 記憶サブシステムのデータ二重化方法及びデータ二重化システム
WO2001093200A1 (en) * 2000-05-29 2001-12-06 Canon Kabushiki Kaisha A method for enabling file format compatibility
US6766430B2 (en) * 2000-07-06 2004-07-20 Hitachi, Ltd. Data reallocation among storage systems
US6691245B1 (en) * 2000-10-10 2004-02-10 Lsi Logic Corporation Data storage with host-initiated synchronization and fail-over of remote mirror
US7194590B2 (en) * 2001-02-28 2007-03-20 Hitachi, Ltd. Three data center adaptive remote copy
EP1255198B1 (de) 2001-02-28 2006-11-29 Hitachi, Ltd. Speichergerät und Verfahren zur Datensicherung
US7164676B1 (en) * 2001-03-21 2007-01-16 Cisco Technology, Inc. Method and apparatus for a combined bulk and transactional database synchronous scheme
US7143252B2 (en) * 2001-05-10 2006-11-28 Hitachi, Ltd. Storage apparatus system and method of data backup
US7213114B2 (en) * 2001-05-10 2007-05-01 Hitachi, Ltd. Remote copy for a storage controller in a heterogeneous environment
JP2003006020A (ja) * 2001-06-26 2003-01-10 Hitachi Ltd 複製データベースアクセス装置とそのアクセス方法
JP4175789B2 (ja) * 2001-07-05 2008-11-05 株式会社日立製作所 記憶装置のファイルレベルリモートコピー方法
US6640291B2 (en) * 2001-08-10 2003-10-28 Hitachi, Ltd. Apparatus and method for online data migration with remote copy
US6862632B1 (en) 2001-11-14 2005-03-01 Emc Corporation Dynamic RDF system for transferring initial data between source and destination volume wherein data maybe restored to either volume at same time other data is written
US6976139B2 (en) * 2001-11-14 2005-12-13 Emc Corporation Reversing a communication path between storage devices
US7406574B1 (en) * 2002-02-25 2008-07-29 Emc Corporation Management of invalid tracks
US7315960B2 (en) * 2002-05-31 2008-01-01 Hitachi, Ltd. Storage area network system
US7546482B2 (en) * 2002-10-28 2009-06-09 Emc Corporation Method and apparatus for monitoring the storage of data in a computer system
JP4136615B2 (ja) 2002-11-14 2008-08-20 株式会社日立製作所 データベースシステム及びデータベースのアクセス方法
JP2004178254A (ja) * 2002-11-27 2004-06-24 Hitachi Ltd 情報処理システム、ストレージシステム、記憶デバイス制御装置、及びプログラム
JP4704660B2 (ja) * 2002-12-18 2011-06-15 株式会社日立製作所 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
FI20022297A (fi) * 2002-12-31 2004-07-01 Nokia Corp Menetelmä muistikomponenttien sisältöjen vertailemiseksi
US7024584B2 (en) * 2003-01-09 2006-04-04 International Business Machines Corporation Method, system, and article of manufacture for maintaining data integrity
JP3974538B2 (ja) 2003-02-20 2007-09-12 株式会社日立製作所 情報処理システム
JP4165747B2 (ja) * 2003-03-20 2008-10-15 株式会社日立製作所 記憶システム、制御装置及び制御装置のプログラム
JP2004303122A (ja) * 2003-04-01 2004-10-28 Hitachi Ltd データ転送制御システム
US7111004B2 (en) * 2003-06-18 2006-09-19 International Business Machines Corporation Method, system, and program for mirroring data between sites
US20050022213A1 (en) * 2003-07-25 2005-01-27 Hitachi, Ltd. Method and apparatus for synchronizing applications for data recovery using storage based journaling
US7398422B2 (en) * 2003-06-26 2008-07-08 Hitachi, Ltd. Method and apparatus for data recovery system using storage based journaling
US7111136B2 (en) 2003-06-26 2006-09-19 Hitachi, Ltd. Method and apparatus for backup and recovery system using storage based journaling
US20050015416A1 (en) 2003-07-16 2005-01-20 Hitachi, Ltd. Method and apparatus for data recovery using storage based journaling
JP4124348B2 (ja) * 2003-06-27 2008-07-23 株式会社日立製作所 記憶システム
US7240080B2 (en) * 2003-07-30 2007-07-03 International Business Machines Corporation Method and apparatus for determining using least recently used protocol if one or more computer files should be written to one or more information storage media and synchronously providing one or more computer files between first and storage devices
US7219201B2 (en) * 2003-09-17 2007-05-15 Hitachi, Ltd. Remote storage disk control device and method for controlling the same
JP4598387B2 (ja) * 2003-09-17 2010-12-15 株式会社日立製作所 記憶システム
CA2546304A1 (en) 2003-11-13 2005-05-26 Commvault Systems, Inc. System and method for performing an image level snapshot and for restoring partial volume data
JP2005157712A (ja) 2003-11-26 2005-06-16 Hitachi Ltd リモートコピーネットワーク
US7724599B2 (en) * 2003-12-03 2010-05-25 Hitachi, Ltd. Remote copy system
US20050154786A1 (en) * 2004-01-09 2005-07-14 International Business Machines Corporation Ordering updates in remote copying of data
US7478211B2 (en) * 2004-01-09 2009-01-13 International Business Machines Corporation Maintaining consistency for remote copy using virtualization
JP4551096B2 (ja) * 2004-02-03 2010-09-22 株式会社日立製作所 ストレージサブシステム
US7363541B2 (en) * 2004-02-23 2008-04-22 Hewlett-Packard Development Company, L.P. Command management using task attributes
JP4512386B2 (ja) * 2004-03-05 2010-07-28 株式会社日立製作所 バックアップシステムおよび方法
US7120769B2 (en) * 2004-03-08 2006-10-10 Hitachi, Ltd. Point in time remote copy for multiple sites
US7739352B2 (en) * 2004-04-23 2010-06-15 Oracle America, Inc. System and method for facilitating a consistent point-in time copy
US7325161B1 (en) * 2004-06-30 2008-01-29 Symantec Operating Corporation Classification of recovery targets to enable automated protection setup
US7360123B1 (en) 2004-06-30 2008-04-15 Symantec Operating Corporation Conveying causal relationships between at least three dimensions of recovery management
US7360110B1 (en) 2004-06-30 2008-04-15 Symantec Operating Corporation Parameterization of dimensions of protection systems and uses thereof
GB0416074D0 (en) * 2004-07-17 2004-08-18 Ibm Controlling data consistency guarantees in storage apparatus
JP4575059B2 (ja) * 2004-07-21 2010-11-04 株式会社日立製作所 ストレージ装置
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
JP4646574B2 (ja) * 2004-08-30 2011-03-09 株式会社日立製作所 データ処理システム
US7139782B2 (en) * 2004-09-21 2006-11-21 Hitachi, Ltd. Method of and system for testing remote storage
US7962709B2 (en) * 2005-12-19 2011-06-14 Commvault Systems, Inc. Network redirector systems and methods for performing data replication
US7651593B2 (en) 2005-12-19 2010-01-26 Commvault Systems, Inc. Systems and methods for performing data replication
EP1974296B8 (de) 2005-12-19 2016-09-21 Commvault Systems, Inc. System und verfahren zur durchführung einer datenreplikation
US7636743B2 (en) * 2005-12-19 2009-12-22 Commvault Systems, Inc. Pathname translation in a data replication system
US7617262B2 (en) * 2005-12-19 2009-11-10 Commvault Systems, Inc. Systems and methods for monitoring application data in a data replication system
US8661216B2 (en) 2005-12-19 2014-02-25 Commvault Systems, Inc. Systems and methods for migrating components in a hierarchical storage network
US7606844B2 (en) 2005-12-19 2009-10-20 Commvault Systems, Inc. System and method for performing replication copy storage operations
JP4920291B2 (ja) * 2006-04-18 2012-04-18 株式会社日立製作所 計算機システム、アクセス制御方法及び管理計算機
US8726242B2 (en) 2006-07-27 2014-05-13 Commvault Systems, Inc. Systems and methods for continuous data replication
WO2008039057A1 (en) * 2006-09-25 2008-04-03 Intellimagic Optimising remote mirroring resynchronisation
US8290808B2 (en) * 2007-03-09 2012-10-16 Commvault Systems, Inc. System and method for automating customer-validated statement of work for a data storage environment
JP2009211343A (ja) * 2008-03-04 2009-09-17 Kddi Corp サーバ装置および通信システム
DE102008025502A1 (de) * 2008-05-28 2009-12-03 Ab Skf Getriebelager-Montageeinheit und Getriebelager
US9495382B2 (en) * 2008-12-10 2016-11-15 Commvault Systems, Inc. Systems and methods for performing discrete data replication
US8204859B2 (en) 2008-12-10 2012-06-19 Commvault Systems, Inc. Systems and methods for managing replicated database data
JP4990332B2 (ja) * 2009-08-25 2012-08-01 株式会社日立製作所 データバックアップ管理システム、計算機システム及びプログラム記録媒体
US8504517B2 (en) * 2010-03-29 2013-08-06 Commvault Systems, Inc. Systems and methods for selective data replication
US8352422B2 (en) 2010-03-30 2013-01-08 Commvault Systems, Inc. Data restore systems and methods in a replication environment
US8504515B2 (en) 2010-03-30 2013-08-06 Commvault Systems, Inc. Stubbing systems and methods in a data replication environment
US8725698B2 (en) 2010-03-30 2014-05-13 Commvault Systems, Inc. Stub file prioritization in a data replication system
US8572038B2 (en) 2010-05-28 2013-10-29 Commvault Systems, Inc. Systems and methods for performing data replication
US9298715B2 (en) 2012-03-07 2016-03-29 Commvault Systems, Inc. Data storage system utilizing proxy device for storage operations
US9471578B2 (en) 2012-03-07 2016-10-18 Commvault Systems, Inc. Data storage system utilizing proxy device for storage operations
US9342537B2 (en) 2012-04-23 2016-05-17 Commvault Systems, Inc. Integrated snapshot interface for a data storage system
US20140201140A1 (en) 2013-01-11 2014-07-17 Commvault Systems, Inc. Data synchronization management
US9886346B2 (en) 2013-01-11 2018-02-06 Commvault Systems, Inc. Single snapshot for multiple agents
US11176111B2 (en) * 2013-03-15 2021-11-16 Nuodb, Inc. Distributed database management system with dynamically split B-tree indexes
US9639426B2 (en) 2014-01-24 2017-05-02 Commvault Systems, Inc. Single snapshot for multiple applications
US9753812B2 (en) 2014-01-24 2017-09-05 Commvault Systems, Inc. Generating mapping information for single snapshot for multiple applications
US9632874B2 (en) 2014-01-24 2017-04-25 Commvault Systems, Inc. Database application backup in single snapshot for multiple applications
US9495251B2 (en) 2014-01-24 2016-11-15 Commvault Systems, Inc. Snapshot readiness checking and reporting
US10042716B2 (en) 2014-09-03 2018-08-07 Commvault Systems, Inc. Consolidated processing of storage-array commands using a forwarder media agent in conjunction with a snapshot-control media agent
US9774672B2 (en) 2014-09-03 2017-09-26 Commvault Systems, Inc. Consolidated processing of storage-array commands by a snapshot-control media agent
US9448731B2 (en) 2014-11-14 2016-09-20 Commvault Systems, Inc. Unified snapshot storage management
US9648105B2 (en) 2014-11-14 2017-05-09 Commvault Systems, Inc. Unified snapshot storage management, using an enhanced storage manager and enhanced media agents
US10496320B2 (en) * 2015-12-28 2019-12-03 Netapp Inc. Synchronous replication
US10503753B2 (en) 2016-03-10 2019-12-10 Commvault Systems, Inc. Snapshot replication operations based on incremental block change tracking
US9933953B1 (en) * 2016-06-30 2018-04-03 EMC IP Holding Company LLC Managing copy sessions in a data storage system to control resource consumption
US10740022B2 (en) 2018-02-14 2020-08-11 Commvault Systems, Inc. Block-level live browsing and private writable backup copies using an ISCSI server
US11042318B2 (en) 2019-07-29 2021-06-22 Commvault Systems, Inc. Block-level data replication
US11809285B2 (en) 2022-02-09 2023-11-07 Commvault Systems, Inc. Protecting a management database of a data storage management system to meet a recovery point objective (RPO)

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5051887A (en) 1987-08-25 1991-09-24 International Business Machines Corporation Maintaining duplex-paired storage devices during gap processing using of a dual copy function
US5155845A (en) 1990-06-15 1992-10-13 Storage Technology Corporation Data storage system for providing redundant copies of data on different disk drives
US5544347A (en) 1990-09-24 1996-08-06 Emc Corporation Data storage system controlled remote data mirroring with respectively maintained data indices
US5241669A (en) 1992-04-20 1993-08-31 International Business Machines Corporation Method and system for sidefile status polling in a time zero backup copy process
US5263154A (en) 1992-04-20 1993-11-16 International Business Machines Corporation Method and system for incremental time zero backup copying of data
US5241670A (en) 1992-04-20 1993-08-31 International Business Machines Corporation Method and system for automated backup copy ordering in a time zero backup copy session
US5448718A (en) 1992-04-20 1995-09-05 International Business Machines Corporation Method and system for time zero backup session security
JP2888401B2 (ja) 1992-08-03 1999-05-10 インターナショナル・ビジネス・マシーンズ・コーポレイション 冗長ディスクドライブアレイに対する同期方法
US5375232A (en) 1992-09-23 1994-12-20 International Business Machines Corporation Method and system for asynchronous pre-staging of backup copies in a data processing storage subsystem
US5497483A (en) 1992-09-23 1996-03-05 International Business Machines Corporation Method and system for track transfer control during concurrent copy operations in a data processing storage subsystem
US5404508A (en) 1992-12-03 1995-04-04 Unisys Corporation Data base backup and recovery system and method
US5555371A (en) 1992-12-17 1996-09-10 International Business Machines Corporation Data backup copying with delayed directory updating and reduced numbers of DASD accesses at a back up site using a log structured array data storage
US5577222A (en) 1992-12-17 1996-11-19 International Business Machines Corporation System for asynchronously duplexing remote data by sending DASD data grouped as a unit periodically established by checkpoint based upon the latest time value
US5446871A (en) 1993-03-23 1995-08-29 International Business Machines Corporation Method and arrangement for multi-system remote data duplexing and recovery
US5579474A (en) * 1992-12-28 1996-11-26 Hitachi, Ltd. Disk array system and its control method
US5504883A (en) * 1993-02-01 1996-04-02 Lsc, Inc. Method and apparatus for insuring recovery of file control information for secondary storage systems
US5504861A (en) * 1994-02-22 1996-04-02 International Business Machines Corporation Remote data duplexing
US5615329A (en) * 1994-02-22 1997-03-25 International Business Machines Corporation Remote data duplexing
KR0128271B1 (ko) * 1994-02-22 1998-04-15 윌리암 티. 엘리스 재해회복을 위한 일관성 그룹 형성방법 및 레코드갱싱의 섀도잉 방법, 주시스템, 원격데이타 섀도잉 시스템과 비동기 원격데이타 복제 시스템
US5574950A (en) 1994-03-01 1996-11-12 International Business Machines Corporation Remote data shadowing using a multimode interface to dynamically reconfigure control link-level and communication link-level
JP2894676B2 (ja) 1994-03-21 1999-05-24 インターナショナル・ビジネス・マシーンズ・コーポレイション 非同期式遠隔コピー・システム及び非同期式遠隔コピー方法
US5623599A (en) 1994-07-29 1997-04-22 International Business Machines Corporation Method and apparatus for processing a synchronizing marker for an asynchronous remote data copy
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
US5720029A (en) 1995-07-25 1998-02-17 International Business Machines Corporation Asynchronously shadowing record updates in a remote copy session using track arrays
JP3414218B2 (ja) * 1997-09-12 2003-06-09 株式会社日立製作所 記憶制御装置
US6301643B1 (en) * 1998-09-03 2001-10-09 International Business Machines Corporation Multi-environment data consistency

Also Published As

Publication number Publication date
CA2376242C (en) 2009-01-13
CA2376242A1 (en) 2001-01-18
DE60001460T2 (de) 2003-10-23
US20030182526A1 (en) 2003-09-25
WO2001004754A2 (en) 2001-01-18
EP1204923A2 (de) 2002-05-15
WO2001004754A3 (en) 2001-09-13
AU6953600A (en) 2001-01-30
EP1204923B1 (de) 2003-02-19
JP2003504756A (ja) 2003-02-04
US6539462B1 (en) 2003-03-25
US6789178B2 (en) 2004-09-07

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