JP4892185B2 - 分散リモートコピーシステム - Google Patents

分散リモートコピーシステム Download PDF

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Publication number
JP4892185B2
JP4892185B2 JP2004338341A JP2004338341A JP4892185B2 JP 4892185 B2 JP4892185 B2 JP 4892185B2 JP 2004338341 A JP2004338341 A JP 2004338341A JP 2004338341 A JP2004338341 A JP 2004338341A JP 4892185 B2 JP4892185 B2 JP 4892185B2
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subsystem
primary
write data
storage
volume
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JP2004338341A
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JP2005276162A5 (enExample
JP2005276162A (ja
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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
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
    • G06F3/0646—Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
    • G06F3/065—Replication mechanisms
    • 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
    • G06F11/2074—Asynchronous techniques
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
    • G06F3/0614—Improving the reliability of storage systems
    • G06F3/0619—Improving the reliability of storage systems in relation to data integrity, e.g. data losses, bit errors
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
    • G06F3/067—Distributed or networked storage systems, e.g. storage area networks [SAN], network attached storage [NAS]
    • 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
    • G06F11/2076—Synchronous techniques

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Computer Security & Cryptography (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
JP2004338341A 2004-01-15 2004-11-24 分散リモートコピーシステム Expired - Fee Related JP4892185B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/758971 2004-01-15
US10/758,971 US7600087B2 (en) 2004-01-15 2004-01-15 Distributed remote copy system

Publications (3)

Publication Number Publication Date
JP2005276162A JP2005276162A (ja) 2005-10-06
JP2005276162A5 JP2005276162A5 (enExample) 2007-11-15
JP4892185B2 true JP4892185B2 (ja) 2012-03-07

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Family Applications (1)

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JP2004338341A Expired - Fee Related JP4892185B2 (ja) 2004-01-15 2004-11-24 分散リモートコピーシステム

Country Status (2)

Country Link
US (1) US7600087B2 (enExample)
JP (1) JP4892185B2 (enExample)

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US7668810B2 (en) * 2006-01-27 2010-02-23 International Business Machines Corporation Controlling consistency of data storage copies
JP4757300B2 (ja) * 2006-03-31 2011-08-24 富士通株式会社 ボリューム管理装置およびボリューム管理方法
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
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JP5042644B2 (ja) 2007-01-24 2012-10-03 株式会社日立製作所 リモートコピーシステム
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KR100926880B1 (ko) * 2007-05-21 2009-11-16 엔에이치엔(주) Ｄｂｍｓ에서의 데이터 복제 방법 및 시스템
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
US20090006744A1 (en) * 2007-06-28 2009-01-01 Cavallo Joseph S Automated intermittent data mirroring volumes
US20090006745A1 (en) * 2007-06-28 2009-01-01 Cavallo Joseph S Accessing snapshot data image of a data mirroring volume
US7962780B2 (en) * 2008-08-22 2011-06-14 International Business Machines Corporation Command sequence numbering apparatus and method
JP5218121B2 (ja) * 2009-02-06 2013-06-26 日本電気株式会社 情報システム及びディザスタリカバリ方法
US8055943B2 (en) * 2009-04-24 2011-11-08 International Business Machines Corporation Synchronous and asynchronous continuous data protection
CN102668465B (zh) * 2009-11-18 2015-04-22 日本电气株式会社 中继装置、中继方法
US9471593B1 (en) * 2010-12-30 2016-10-18 Emc Corporation Method and apparatus for ensuring consistent ordering of writes in a distributed database storage system
US8490092B2 (en) 2011-07-06 2013-07-16 Microsoft Corporation Combined live migration and storage migration using file shares and mirroring
US9600206B2 (en) * 2012-08-01 2017-03-21 Microsoft Technology Licensing, Llc Request ordering support when switching virtual disk replication logs
US8990615B1 (en) * 2012-09-28 2015-03-24 Emc Corporation System and method for cache management
US10496671B1 (en) * 2014-05-05 2019-12-03 EMC IP Holding Company LLC Zone consistency
JP6227776B2 (ja) * 2014-06-25 2017-11-08 株式会社日立製作所 ストレージシステム
JP2016024656A (ja) * 2014-07-22 2016-02-08 富士通株式会社 ストレージ制御装置、ストレージシステム及びストレージ制御プログラム
US10303782B1 (en) 2014-12-29 2019-05-28 Veritas Technologies Llc Method to allow multi-read access for exclusive access of virtual disks by using a virtualized copy of the disk
US9727426B2 (en) * 2015-02-25 2017-08-08 Microsoft Technology Licensing, Llc Using an overinclusive write record to track and write changes to a storage system
US10579640B2 (en) * 2015-10-12 2020-03-03 International Business Machines Corporation Mirroring resynchronization
US10303572B2 (en) * 2017-01-23 2019-05-28 Wipro Limited Methods and systems for improving fault tolerance in storage area network
US11169727B1 (en) * 2017-03-10 2021-11-09 Pure Storage, Inc. Synchronous replication between storage systems with virtualized storage
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Publication number Publication date
US7600087B2 (en) 2009-10-06
US20050160248A1 (en) 2005-07-21
JP2005276162A (ja) 2005-10-06

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