TWI307851B - Method, system, and program for handling a failover to a remote storage location - Google Patents

Method, system, and program for handling a failover to a remote storage location Download PDF

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Publication number
TWI307851B
TWI307851B TW093116879A TW93116879A TWI307851B TW I307851 B TWI307851 B TW I307851B TW 093116879 A TW093116879 A TW 093116879A TW 93116879 A TW93116879 A TW 93116879A TW I307851 B TWI307851 B TW I307851B
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TW
Taiwan
Prior art keywords
storage system
storage
network
disk
request
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TW093116879A
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English (en)
Chinese (zh)
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TW200540680A (en
Inventor
Robert Frederic Kern
David B Petersen
Rune Willy Ludvig
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Ibm
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Publication of TWI307851B publication Critical patent/TWI307851B/zh

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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
    • G06F11/2058—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 more than 2 mirrored copies
    • 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
    • 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

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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)
  • Hardware Redundancy (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
TW093116879A 2003-06-18 2004-06-11 Method, system, and program for handling a failover to a remote storage location TWI307851B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/465,726 US7043665B2 (en) 2003-06-18 2003-06-18 Method, system, and program for handling a failover to a remote storage location

Publications (2)

Publication Number Publication Date
TW200540680A TW200540680A (en) 2005-12-16
TWI307851B true TWI307851B (en) 2009-03-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
TW093116879A TWI307851B (en) 2003-06-18 2004-06-11 Method, system, and program for handling a failover to a remote storage location

Country Status (8)

Country Link
US (1) US7043665B2 (https=)
EP (1) EP1639470B1 (https=)
JP (1) JP4405509B2 (https=)
CN (1) CN100403272C (https=)
AT (1) ATE357019T1 (https=)
DE (1) DE602004005344T2 (https=)
TW (1) TWI307851B (https=)
WO (1) WO2005071544A1 (https=)

Families Citing this family (108)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7292723B2 (en) * 2003-02-26 2007-11-06 Walker Digital, Llc System for image analysis in a network that is structured with multiple layers and differentially weighted neurons
TW200417851A (en) * 2003-03-07 2004-09-16 Wistron Corp Computer system capable of maintaining system's stability while memory is unstable and memory control method
US7287186B2 (en) * 2003-06-02 2007-10-23 Surgient Inc. Shared nothing virtual cluster
JP2005157825A (ja) * 2003-11-27 2005-06-16 Hitachi Ltd 障害復旧機能を有する計算機システム、および、障害復旧方法
JP2005018193A (ja) * 2003-06-24 2005-01-20 Hitachi Ltd ディスク装置のインタフェースコマンド制御方法ならびに計算機システム
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
JP2005100259A (ja) * 2003-09-26 2005-04-14 Hitachi Ltd ドライブの２重障害を防止するアレイ型ディスク装置、プログラム、及び方法
US7769004B2 (en) * 2003-09-26 2010-08-03 Surgient, Inc. Network abstraction and isolation layer for masquerading machine identity of a computer
US7278049B2 (en) * 2003-09-29 2007-10-02 International Business Machines Corporation Method, system, and program for recovery from a failure in an asynchronous data copying system
US7188272B2 (en) * 2003-09-29 2007-03-06 International Business Machines Corporation Method, system and article of manufacture for recovery from a failure in a cascading PPRC system
US7376859B2 (en) * 2003-10-20 2008-05-20 International Business Machines Corporation Method, system, and article of manufacture for data replication
JP4307982B2 (ja) * 2003-12-19 2009-08-05 株式会社日立製作所 データ多重化制御方法
JP2005196683A (ja) * 2004-01-09 2005-07-21 Hitachi Ltd 情報処理システム、情報処理装置、及び情報処理システムの制御方法
JP2005228170A (ja) * 2004-02-16 2005-08-25 Hitachi Ltd 記憶装置システム
US7120769B2 (en) * 2004-03-08 2006-10-10 Hitachi, Ltd. Point in time remote copy for multiple sites
US7277997B2 (en) * 2004-03-16 2007-10-02 International Business Machines Corporation Data consistency for mirroring updatable source data storage
JP2005284980A (ja) * 2004-03-30 2005-10-13 Toshiba Solutions Corp ２重化システム及びリモートディスクミラーリングの初期化処理方法
JP4382602B2 (ja) 2004-04-23 2009-12-16 株式会社日立製作所 リモートコピーシステム
JP4476683B2 (ja) * 2004-04-28 2010-06-09 株式会社日立製作所 データ処理システム
US7340646B2 (en) * 2004-05-03 2008-03-04 International Business Machines Corporation Apparatus, system, and method for resource group backup
US7058731B2 (en) * 2004-08-03 2006-06-06 Hitachi, Ltd. Failover and data migration using data replication
US7299376B2 (en) * 2004-08-25 2007-11-20 International Business Machines Corporation Apparatus, system, and method for verifying backup data
US20060098790A1 (en) * 2004-11-05 2006-05-11 Mendonca John J Automatically configuring remote monitoring of a provisionable resource
JP4596889B2 (ja) * 2004-11-08 2010-12-15 株式会社日立製作所 ストレージシステムの管理方法
JP4671399B2 (ja) * 2004-12-09 2011-04-13 株式会社日立製作所 データ処理システム
JP4688514B2 (ja) * 2005-02-14 2011-05-25 株式会社日立製作所 ストレージ制御装置
US7672979B1 (en) * 2005-04-22 2010-03-02 Symantec Operating Corporation Backup and restore techniques using inconsistent state indicators
US7523176B2 (en) * 2005-08-02 2009-04-21 International Business Machines Corporation Method, apparatus, and computer program product for reconfiguring a storage area network to support the execution of an application automatically upon execution of the application
US7356638B2 (en) * 2005-10-12 2008-04-08 International Business Machines Corporation Using out-of-band signaling to provide communication between storage controllers in a computer storage system
JP4721875B2 (ja) * 2005-11-04 2011-07-13 株式会社日立製作所 ホストがデータにアクセスするためのアクセス環境を管理する記憶制御方法
US7660955B2 (en) * 2005-12-01 2010-02-09 International Business Machines Corporation Node polling in consistency group formation
US7823007B2 (en) * 2006-02-17 2010-10-26 International Business Machines Corporation Apparatus, system, and method for switching a volume address association in a point-in-time copy relationship
US7603581B2 (en) * 2006-03-17 2009-10-13 International Business Machines Corporation Remote copying of updates to primary and secondary storage locations subject to a copy relationship
US7571292B2 (en) 2006-03-21 2009-08-04 International Business Machines Corporation Producing tertiary instant virtual copies without volume suspension
US7702866B2 (en) * 2006-03-31 2010-04-20 International Business Machines Corporation Use of volume containers in replication and provisioning management
US8078728B1 (en) 2006-03-31 2011-12-13 Quest Software, Inc. Capacity pooling for application reservation and delivery
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
US7526668B2 (en) * 2006-06-08 2009-04-28 Hitachi, Ltd. Failover method of remotely-mirrored clustered file servers
US7877628B2 (en) * 2006-06-08 2011-01-25 International Business Machines Corporation Mirroring data between primary and secondary sites
US7657782B2 (en) * 2006-06-08 2010-02-02 International Business Machines Corporation Creating and managing multiple virtualized remote mirroring session consistency groups
US7487383B2 (en) * 2006-06-29 2009-02-03 Dssdr, Llc Data transfer and recovery process
US9015520B2 (en) 2006-06-29 2015-04-21 Dssdr, Llc Data transfer and recovery
US8990613B2 (en) 2006-06-29 2015-03-24 Dssdr, Llc Data transfer and recovery
GB0616257D0 (en) * 2006-08-16 2006-09-27 Ibm Storage management system for preserving consistency of remote copy data
US7627729B2 (en) * 2006-09-07 2009-12-01 International Business Machines Corporation Apparatus, system, and method for an improved synchronous mirror swap
US7584378B2 (en) 2006-09-07 2009-09-01 International Business Machines Corporation Reconfigurable FC-AL storage loops in a data storage system
JP5235292B2 (ja) * 2006-09-29 2013-07-10 富士通株式会社 コンピュータシステム、バックアップシステムへの移行方法、バックアップシステムへの移行プログラム、監視装置、端末装置及びバックアップシステム
JP5057366B2 (ja) 2006-10-30 2012-10-24 株式会社日立製作所 情報システム及び情報システムのデータ転送方法
JP4902403B2 (ja) 2006-10-30 2012-03-21 株式会社日立製作所 情報システム及びデータ転送方法
GB0622140D0 (en) * 2006-11-07 2006-12-20 Ibm Suspension of asynchronous remote copying system
US7734885B2 (en) 2007-06-14 2010-06-08 International Business Machines Corporation Execution of point-in-time copy operations in continuous mirroring environments
JP2009003499A (ja) * 2007-06-19 2009-01-08 Hitachi Ltd ファイル共有システム及びファイル共有システムを用いて単一の論理的ディレクトリ構成を生成する方法
US7904682B2 (en) * 2007-07-19 2011-03-08 International Business Machines Corporation Copying writes from primary storages to secondary storages across different networks
US7822892B2 (en) * 2007-07-19 2010-10-26 International Business Machines Corporation Managing the copying of writes from primary storages to secondary storages across different networks
US8131957B2 (en) * 2007-08-16 2012-03-06 International Business Machines Corporation Splitting writes between a storage controller and replication engine
US8024534B2 (en) * 2007-08-16 2011-09-20 International Business Machines Corporation Replication engine communicating with a splitter to split writes between a storage controller and replication engine
JP5034790B2 (ja) * 2007-08-31 2012-09-26 富士ゼロックス株式会社 データ処理システム
JP2009075675A (ja) * 2007-09-18 2009-04-09 Nec Computertechno Ltd 整合性チェック方法及び整合性チェックシステム
US8194674B1 (en) 2007-12-20 2012-06-05 Quest Software, Inc. System and method for aggregating communications and for translating between overlapping internal network addresses and unique external network addresses
US8307129B2 (en) * 2008-01-14 2012-11-06 International Business Machines Corporation Methods and computer program products for swapping synchronous replication secondaries from a subchannel set other than zero to subchannel set zero using dynamic I/O
US7761610B2 (en) * 2008-01-25 2010-07-20 International Business Machines Corporation Methods and computer program products for defining synchronous replication devices in a subchannel set other than subchannel set zero
JP2009205505A (ja) * 2008-02-28 2009-09-10 Fujitsu Ltd サテライト管理装置、方法、及び、プログラム
US7962782B2 (en) 2008-05-20 2011-06-14 International Business Machines Corporation Modifying connection records
US8516173B2 (en) * 2008-07-28 2013-08-20 International Business Machines Corporation Swapping PPRC secondaries from a subchannel set other than zero to subchannel set zero using control block field manipulation
CN105138435B (zh) * 2008-08-08 2019-06-04 亚马逊技术有限公司 向执行中的程序提供对非本地块数据存储装置的可靠访问
US8019732B2 (en) 2008-08-08 2011-09-13 Amazon Technologies, Inc. Managing access of multiple executing programs to non-local block data storage
US20100274966A1 (en) * 2009-04-24 2010-10-28 Hitachi, Ltd. High availabilty large scale it systems with self recovery functions
JP5286212B2 (ja) * 2009-09-29 2013-09-11 株式会社日立製作所 ストレージクラスタ環境でのリモートコピー制御方法及びシステム
US20110196825A1 (en) * 2009-09-29 2011-08-11 Hitachi, Ltd. Storage system and data duplication method in the same
US8479210B2 (en) 2009-10-20 2013-07-02 International Business Machines Corporation Evenly distributing workload and providing a predictable failover scenario in a data replication system
US8949565B2 (en) * 2009-12-27 2015-02-03 Intel Corporation Virtual and hidden service partition and dynamic enhanced third party data store
US8627138B1 (en) * 2010-03-26 2014-01-07 Emc Corporation Data protection system and method
US9141289B2 (en) * 2010-03-30 2015-09-22 Os Nexus, Inc. Intelligent data storage utilizing one or more records
CN102033792A (zh) * 2010-12-17 2011-04-27 浪潮(北京)电子信息产业有限公司 一种基于虚拟化的数据远程恢复方法及装置
US8566635B2 (en) * 2011-01-21 2013-10-22 Lsi Corporation Methods and systems for improved storage replication management and service continuance in a computing enterprise
US8566636B2 (en) * 2011-01-27 2013-10-22 International Business Machines Corporation Application recovery in a file system
US9811421B1 (en) * 2011-03-31 2017-11-07 EMC IP Holding Company LLC Managing multi-step storage management operations by using fault recovery policies
WO2013021451A1 (ja) * 2011-08-08 2013-02-14 富士通株式会社 データ管理方法、データ管理プログラム、及び情報処理装置
US8909985B2 (en) * 2012-07-12 2014-12-09 International Business Machines Corporation Multiple hyperswap replication sessions
US9251230B2 (en) 2012-10-17 2016-02-02 International Business Machines Corporation Exchanging locations of an out of synchronization indicator and a change recording indicator via pointers
US9251231B2 (en) 2012-10-17 2016-02-02 International Business Machines Corporation Merging an out of synchronization indicator and a change recording indicator in response to a failure in consistency group formation
US20140324781A1 (en) * 2013-04-30 2014-10-30 Unisys Corporation Input/output (i/o) procedure for database backup to mass storage
US20140365440A1 (en) * 2013-06-05 2014-12-11 Avaya Inc. High availability snapshot core
US9405628B2 (en) 2013-09-23 2016-08-02 International Business Machines Corporation Data migration using multi-storage volume swap
US9264494B2 (en) * 2013-10-21 2016-02-16 International Business Machines Corporation Automated data recovery from remote data object replicas
US9619331B2 (en) 2014-01-18 2017-04-11 International Business Machines Corporation Storage unit replacement using point-in-time snap copy
US9280430B2 (en) * 2014-05-13 2016-03-08 Netapp, Inc. Deferred replication of recovery information at site switchover
US9626367B1 (en) 2014-06-18 2017-04-18 Veritas Technologies Llc Managing a backup procedure
US9747047B2 (en) 2014-06-25 2017-08-29 International Business Machines Corporation Performing a remote point-in-time copy to a source and target storages in further mirror copy relationships
US9832261B2 (en) * 2014-09-30 2017-11-28 Emc Corporation Cloud consistency technology
WO2016084231A1 (ja) * 2014-11-28 2016-06-02 株式会社日立製作所 ストレージシステム
CN105159794A (zh) * 2015-08-18 2015-12-16 浪潮(北京)电子信息产业有限公司 镜像实现系统和方法
CN105278522B (zh) * 2015-10-16 2018-09-14 浪潮(北京)电子信息产业有限公司 一种远程复制方法及系统
CN105353984B (zh) * 2015-11-05 2019-01-11 北京飞杰信息技术有限公司 基于软磁盘阵列的高可用集群控制器、控制方法及系统
US10235406B2 (en) 2015-12-15 2019-03-19 Microsoft Technology Licensing, Llc Reminder processing of structured data records among partitioned data storage spaces
US10248709B2 (en) 2015-12-15 2019-04-02 Microsoft Technology Licensing, Llc Promoted properties in relational structured data
US11226985B2 (en) 2015-12-15 2022-01-18 Microsoft Technology Licensing, Llc Replication of structured data records among partitioned data storage spaces
US10599676B2 (en) 2015-12-15 2020-03-24 Microsoft Technology Licensing, Llc Replication control among redundant data centers
US10162563B2 (en) 2016-12-02 2018-12-25 International Business Machines Corporation Asynchronous local and remote generation of consistent point-in-time snap copies
JP6407946B2 (ja) * 2016-12-12 2018-10-17 ファナック株式会社 機器情報及び位置情報の管理装置及び管理システム
US10884884B2 (en) * 2017-03-23 2021-01-05 International Business Machines Corporation Reversal of the direction of replication in a remote copy environment by tracking changes associated with a plurality of point in time copies
CN109408279A (zh) * 2017-08-16 2019-03-01 北京京东尚科信息技术有限公司 数据备份方法和装置
US10635541B2 (en) 2017-10-23 2020-04-28 Vmware, Inc. Fine-grained conflict resolution in a shared log
US10649981B2 (en) * 2017-10-23 2020-05-12 Vmware, Inc. Direct access to object state in a shared log
US11392567B2 (en) 2017-10-30 2022-07-19 Vmware, Inc. Just-in-time multi-indexed tables in a shared log
CN108762988B (zh) * 2018-05-31 2022-04-22 郑州云海信息技术有限公司 一种数据处理的方法以及相关设备
CN110888598B (zh) * 2019-10-09 2024-01-19 宜鼎国际股份有限公司 数据储存装置、电子设备及可远程控制电子设备的系统
US11868622B2 (en) * 2020-02-25 2024-01-09 Pure Storage, Inc. Application recovery across storage systems

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5633999A (en) 1990-11-07 1997-05-27 Nonstop Networks Limited Workstation-implemented data storage re-routing for server fault-tolerance on computer networks
US5615329A (en) 1994-02-22 1997-03-25 International Business Machines Corporation Remote data duplexing
US5504861A (en) 1994-02-22 1996-04-02 International Business Machines Corporation Remote data duplexing
US6029231A (en) 1996-12-03 2000-02-22 Emc Corporation Retrieval of data stored on redundant disks across a network using remote procedure calls
US6144999A (en) 1998-05-29 2000-11-07 Sun Microsystems, Incorporated Method and apparatus for file system disaster recovery
TW454120B (en) 1999-11-11 2001-09-11 Miralink Corp Flexible remote data mirroring
IL139628A0 (en) * 2000-11-12 2002-02-10 Eci Telecom Ltd Data mirroring restoration in a distributed system
US20030014523A1 (en) 2001-07-13 2003-01-16 John Teloh Storage network data replicator
US6845465B2 (en) * 2001-09-17 2005-01-18 Sun Microsystems, Inc. Method and system for leveraging spares in a data storage system including a plurality of disk drives
US6820180B2 (en) * 2002-04-04 2004-11-16 International Business Machines Corporation Apparatus and method of cascading backup logical volume mirrors

Also Published As

Publication number Publication date
JP2006527875A (ja) 2006-12-07
US20040260899A1 (en) 2004-12-23
US7043665B2 (en) 2006-05-09
TW200540680A (en) 2005-12-16
DE602004005344T2 (de) 2007-11-29
CN1836217A (zh) 2006-09-20
JP4405509B2 (ja) 2010-01-27
EP1639470B1 (en) 2007-03-14
WO2005071544A1 (en) 2005-08-04
CN100403272C (zh) 2008-07-16
EP1639470A1 (en) 2006-03-29
ATE357019T1 (de) 2007-04-15
DE602004005344D1 (de) 2007-04-26

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