JP3968207B2 - データ多重化方法およびデータ多重化システム - Google Patents

データ多重化方法およびデータ多重化システム Download PDF

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JP3968207B2
JP3968207B2 JP2000154045A JP2000154045A JP3968207B2 JP 3968207 B2 JP3968207 B2 JP 3968207B2 JP 2000154045 A JP2000154045 A JP 2000154045A JP 2000154045 A JP2000154045 A JP 2000154045A JP 3968207 B2 JP3968207 B2 JP 3968207B2
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information processing
processing system
information
data
difference
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JP2001337939A5 (https=
JP2001337939A (ja
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栄寿 葛城
俊夫 中野
吉規 岡見
孝夫 佐藤
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Hitachi Ltd
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Hitachi Ltd
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Priority to US09/866,226 priority patent/US7293068B2/en
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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
    • G06F11/2082—Data synchronisation
    • 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
    • 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
    • G06F11/2089—Redundant storage control functionality
    • G06F11/2092—Techniques of failing over between control units

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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)
  • Hardware Redundancy (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
JP2000154045A 2000-05-25 2000-05-25 データ多重化方法およびデータ多重化システム Expired - Lifetime JP3968207B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000154045A JP3968207B2 (ja) 2000-05-25 2000-05-25 データ多重化方法およびデータ多重化システム
US09/866,226 US7293068B2 (en) 2000-05-25 2001-05-24 Method and system for storing duplicate data

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000154045A JP3968207B2 (ja) 2000-05-25 2000-05-25 データ多重化方法およびデータ多重化システム

Publications (3)

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JP2001337939A JP2001337939A (ja) 2001-12-07
JP2001337939A5 JP2001337939A5 (https=) 2005-06-09
JP3968207B2 true JP3968207B2 (ja) 2007-08-29

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US (1) US7293068B2 (https=)
JP (1) JP3968207B2 (https=)

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US20050022213A1 (en) * 2003-07-25 2005-01-27 Hitachi, Ltd. Method and apparatus for synchronizing applications for data recovery 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
US7398422B2 (en) * 2003-06-26 2008-07-08 Hitachi, Ltd. Method and apparatus for data recovery system using storage based journaling
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JP4930556B2 (ja) * 2009-07-09 2012-05-16 富士通株式会社 退避処理装置、退避処理方法およびストレージシステム
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WO2014076765A1 (ja) * 2012-11-13 2014-05-22 三菱電機株式会社 データ処理装置及びデータ処理方法及びプログラム
CN103761154A (zh) * 2014-01-27 2014-04-30 宇龙计算机通信科技(深圳)有限公司 一种跨平台同步剪切板的方法和系统
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
CN104268478B (zh) * 2014-09-22 2017-08-11 宇龙计算机通信科技(深圳)有限公司 一种多系统终端的数据交互方法及装置
US10521344B1 (en) 2017-03-10 2019-12-31 Pure Storage, Inc. Servicing input/output (‘I/O’) operations directed to a dataset that is synchronized across a plurality of storage systems
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US7293068B2 (en) 2007-11-06
US20010049749A1 (en) 2001-12-06
JP2001337939A (ja) 2001-12-07

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