ATE547757T1 - Speichersystem, verfahren zur berechnung des geschätzten werts der für die datenwiederherstellung verfügbaren zeit und verwaltungscomputer - Google Patents

Speichersystem, verfahren zur berechnung des geschätzten werts der für die datenwiederherstellung verfügbaren zeit und verwaltungscomputer

Info

Publication number
ATE547757T1
ATE547757T1 AT09174232T AT09174232T ATE547757T1 AT E547757 T1 ATE547757 T1 AT E547757T1 AT 09174232 T AT09174232 T AT 09174232T AT 09174232 T AT09174232 T AT 09174232T AT E547757 T1 ATE547757 T1 AT E547757T1
Authority
AT
Austria
Prior art keywords
data
estimated value
storage system
certain
data recovery
Prior art date
Application number
AT09174232T
Other languages
English (en)
Inventor
Hironori Emaru
Nobuhiro Maki
Jyunichi Hara
Original Assignee
Hitachi Ltd
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 Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of ATE547757T1 publication Critical patent/ATE547757T1/de

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
    • G06F11/2069—Management of state, configuration or failover
    • 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

Landscapes

  • 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)
  • Debugging And Monitoring (AREA)
AT09174232T 2008-12-17 2009-10-27 Speichersystem, verfahren zur berechnung des geschätzten werts der für die datenwiederherstellung verfügbaren zeit und verwaltungscomputer ATE547757T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008321323A JP4717923B2 (ja) 2008-12-17 2008-12-17 ストレージシステム、データ復旧可能時刻の推定値の算出方法、および、管理計算機

Publications (1)

Publication Number Publication Date
ATE547757T1 true ATE547757T1 (de) 2012-03-15

Family

ID=42045311

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09174232T ATE547757T1 (de) 2008-12-17 2009-10-27 Speichersystem, verfahren zur berechnung des geschätzten werts der für die datenwiederherstellung verfügbaren zeit und verwaltungscomputer

Country Status (4)

Country Link
US (1) US8108639B2 (de)
EP (1) EP2199913B1 (de)
JP (1) JP4717923B2 (de)
AT (1) ATE547757T1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8351146B2 (en) * 2010-03-04 2013-01-08 International Business Machines Corporation Recovery operation status indicator for a tape drive system
US8904242B2 (en) 2011-09-08 2014-12-02 Nec Corporation Cloud service recovery time prediction system, method and program
WO2013076872A1 (ja) * 2011-11-25 2013-05-30 株式会社日立製作所 計算機システム
EP2634699B1 (de) * 2012-02-28 2018-09-05 Tata Consultancy Services Limited Anwendungsüberwachung
US9164929B2 (en) 2013-01-03 2015-10-20 International Business Machines Corporation False power failure alert impact mitigation
WO2015072026A1 (ja) * 2013-11-18 2015-05-21 株式会社日立製作所 計算機システム
US9513839B2 (en) 2014-04-03 2016-12-06 Hitachi, Ltd. Management system and management method for computer system comprising remote copy system for performing asynchronous remote copy

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7353240B1 (en) * 1999-09-29 2008-04-01 Hitachi, Ltd. Method and storage system that enable sharing files among multiple servers
US7240197B1 (en) * 2000-07-18 2007-07-03 Hitachi, Ltd. Method and apparatus for encryption and decryption in remote data storage systems
US6587933B2 (en) * 2001-01-26 2003-07-01 International Business Machines Corporation Method, system, and program for discarding data in a storage system where updates to a primary storage device are shadowed in a secondary storage device
JP4452438B2 (ja) * 2002-11-11 2010-04-21 株式会社日立製作所 記憶システム
JP2005346564A (ja) * 2004-06-04 2005-12-15 Hitachi Global Storage Technologies Netherlands Bv ディスク装置及びディスク装置の制御方法並びに改竄検出方法
JP2006053737A (ja) * 2004-08-11 2006-02-23 Nec Corp レプリケーションシステム及びレプリケーション方法
US20060277384A1 (en) * 2005-06-01 2006-12-07 Hitachi, Ltd. Method and apparatus for auditing remote copy systems
JP4236677B2 (ja) * 2006-09-20 2009-03-11 株式会社日立製作所 Ｃｄｐを用いたリカバリ方法
JP5207637B2 (ja) * 2007-02-23 2013-06-12 株式会社日立製作所 一以上のセカンダリストレージシステムで複数のバックアップを取得するバックアップ制御方法
JP2008242744A (ja) * 2007-03-27 2008-10-09 Hitachi Ltd Ｃｄｐに従うリカバリを実行するストレージ装置の管理装置及び方法

Also Published As

Publication number Publication date
JP2010146198A (ja) 2010-07-01
EP2199913B1 (de) 2012-02-29
EP2199913A1 (de) 2010-06-23
US20100153666A1 (en) 2010-06-17
JP4717923B2 (ja) 2011-07-06
US8108639B2 (en) 2012-01-31

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