JP4849668B2 - データ複製装置における相違検出 - Google Patents

データ複製装置における相違検出 Download PDF

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Publication number
JP4849668B2
JP4849668B2 JP2006066575A JP2006066575A JP4849668B2 JP 4849668 B2 JP4849668 B2 JP 4849668B2 JP 2006066575 A JP2006066575 A JP 2006066575A JP 2006066575 A JP2006066575 A JP 2006066575A JP 4849668 B2 JP4849668 B2 JP 4849668B2
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data
primary
previous version
fifo buffer
replication
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JP2006066575A
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Japanese (ja)
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JP2006260563A5 (enExample
JP2006260563A (ja
Inventor
ジョン・ジェイ・ウォルフガング
ケネス・エフ・デイ・サード
フィリップ・エム・ドートマス
ヘンリー・イー・バターワース
カルロス・エフ・フエンテ
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International Business Machines Corp
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International Business Machines Corp
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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
    • G06F11/2066—Optimisation of the communication load
    • 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

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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)
JP2006066575A 2005-03-14 2006-03-10 データ複製装置における相違検出 Expired - Fee Related JP4849668B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/080871 2005-03-14
US11/080,871 US8380686B2 (en) 2005-03-14 2005-03-14 Transferring data from a primary data replication appliance in a primary data facility to a secondary data replication appliance in a secondary data facility

Publications (3)

Publication Number Publication Date
JP2006260563A JP2006260563A (ja) 2006-09-28
JP2006260563A5 JP2006260563A5 (enExample) 2008-12-04
JP4849668B2 true JP4849668B2 (ja) 2012-01-11

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JP2006066575A Expired - Fee Related JP4849668B2 (ja) 2005-03-14 2006-03-10 データ複製装置における相違検出

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US (1) US8380686B2 (enExample)
JP (1) JP4849668B2 (enExample)

Families Citing this family (19)

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Publication number Priority date Publication date Assignee Title
US7809892B1 (en) 2006-04-03 2010-10-05 American Megatrends Inc. Asynchronous data replication
US8046547B1 (en) 2007-01-30 2011-10-25 American Megatrends, Inc. Storage system snapshots for continuous file protection
US8082407B1 (en) 2007-04-17 2011-12-20 American Megatrends, Inc. Writable snapshots for boot consolidation
US8775663B1 (en) * 2007-04-25 2014-07-08 Netapp, Inc. Data replication network traffic compression
US8065442B1 (en) 2007-11-19 2011-11-22 American Megatrends, Inc. High performance journaling for replication and continuous data protection
US8332354B1 (en) 2008-12-15 2012-12-11 American Megatrends, Inc. Asynchronous replication by tracking recovery point objective
WO2010137179A1 (en) * 2009-05-25 2010-12-02 Hitachi,Ltd. Computer system and its data control method
US8468315B2 (en) * 2009-10-28 2013-06-18 International Business Machines Corporation Facilitating data compression during replication using a compressible configuration bit
US8930499B2 (en) * 2010-07-09 2015-01-06 International Business Machines Corporation Data replication between software versions
US8244831B1 (en) 2011-05-23 2012-08-14 Ilesfay Technology Group, LLC Method for the preemptive creation of binary delta information within a computer network
US8805786B1 (en) * 2011-06-24 2014-08-12 Emc Corporation Replicating selected snapshots from one storage array to another, with minimal data transmission
US8977826B1 (en) * 2011-12-28 2015-03-10 Emc Corporation Extent commands in replication
US8909605B1 (en) * 2013-02-28 2014-12-09 Emc Corporation Method and system for accelerating data movement using change information concerning difference between current and previous data movements
WO2014167717A1 (ja) * 2013-04-12 2014-10-16 株式会社日立製作所 ストレージシステム、及びストレージシステムの記憶制御方法
US20150249708A1 (en) * 2014-03-03 2015-09-03 Cloudendure Ltd. System and method for asynchronous replication of a storage in a computing environment
EP3229138B1 (en) * 2015-11-25 2019-05-29 Huawei Technologies Co., Ltd. Method and device for data backup in a storage system
US11163478B2 (en) * 2018-09-18 2021-11-02 International Business Machines Corporation Reducing the amount of data transferred to remote storage locations for modified objects
US20210365411A1 (en) * 2020-05-21 2021-11-25 International Business Machines Corporation Asynchronous host file system based data replication
US11513891B2 (en) * 2020-07-24 2022-11-29 Kioxia Corporation Systems and methods for parity-based failure protection for storage devices

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US5546557A (en) 1993-06-14 1996-08-13 International Business Machines Corporation System for storing and managing plural logical volumes in each of several physical volumes including automatically creating logical volumes in peripheral data storage subsystem
US5574906A (en) * 1994-10-24 1996-11-12 International Business Machines Corporation System and method for reducing storage requirement in backup subsystems utilizing segmented compression and differencing
US5805787A (en) * 1995-12-29 1998-09-08 Emc Corporation Disk based disk cache interfacing system and method
US6374250B2 (en) * 1997-02-03 2002-04-16 International Business Machines Corporation System and method for differential compression of data from a plurality of binary sources
US6195674B1 (en) * 1997-04-30 2001-02-27 Canon Kabushiki Kaisha Fast DCT apparatus
US6145012A (en) * 1998-10-14 2000-11-07 Veritas Software Corporation Apparatus and method for efficiently updating files in computer networks
US6327671B1 (en) * 1998-11-18 2001-12-04 International Business Machines Corporation Delta compressed asynchronous remote copy
CN1411580A (zh) * 2000-01-10 2003-04-16 连接公司 客户机－服务器环境中差异备份系统的管理
US6615225B1 (en) * 2000-04-27 2003-09-02 International Business Machines Corporation System and method for relating files in a distributed data storage environment
KR100390853B1 (ko) * 2000-06-07 2003-07-10 차상균 주 메모리 트랜잭션 처리 시스템에서 병렬적 회복 연산을 위한 디퍼런셜 로깅 방법 및 장치
US6823336B1 (en) * 2000-09-26 2004-11-23 Emc Corporation Data storage system and method for uninterrupted read-only access to a consistent dataset by one host processor concurrent with read-write access by another host processor
US20030149750A1 (en) * 2002-02-07 2003-08-07 Franzenburg Alan M. Distributed storage array
US7206910B2 (en) * 2002-12-17 2007-04-17 Oracle International Corporation Delta object replication system and method for clustered system
JP2005062928A (ja) 2003-08-11 2005-03-10 Hitachi Ltd 複数のサイトにリモートコピーを行うシステム
US7685384B2 (en) * 2004-02-06 2010-03-23 Globalscape, Inc. System and method for replicating files in a computer network

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Publication number Publication date
US8380686B2 (en) 2013-02-19
JP2006260563A (ja) 2006-09-28
US20060206542A1 (en) 2006-09-14

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