DE602005000972D1 - Speichersystem und Datenverarbeitungssystem - Google Patents

Speichersystem und Datenverarbeitungssystem

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Publication number
DE602005000972D1
DE602005000972D1 DE602005000972T DE602005000972T DE602005000972D1 DE 602005000972 D1 DE602005000972 D1 DE 602005000972D1 DE 602005000972 T DE602005000972 T DE 602005000972T DE 602005000972 T DE602005000972 T DE 602005000972T DE 602005000972 D1 DE602005000972 D1 DE 602005000972D1
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Germany
Prior art keywords
data processing
processing system
storage system
storage
data
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DE602005000972T
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English (en)
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DE602005000972T2 (de
Inventor
Yusuke Hirakawa
Yoshihiro Asaka
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Hitachi Ltd
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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.)
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Publication date
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Publication of DE602005000972D1 publication Critical patent/DE602005000972D1/de
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Publication of DE602005000972T2 publication Critical patent/DE602005000972T2/de
Active legal-status Critical Current
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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
    • G06F11/2082—Data synchronisation
    • 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
    • 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
    • G06F2003/0697—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers device management, e.g. handlers, drivers, I/O schedulers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
    • G06F2201/855—Details of asynchronous mirroring using a journal to transfer not-yet-mirrored changes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
DE602005000972T 2004-08-04 2005-02-01 Speichersystem und Datenverarbeitungssystem Active DE602005000972T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004228203A JP4519563B2 (ja) 2004-08-04 2004-08-04 記憶システム及びデータ処理システム
JP2004228203 2004-08-04

Publications (2)

Publication Number Publication Date
DE602005000972D1 true DE602005000972D1 (de) 2007-06-06
DE602005000972T2 DE602005000972T2 (de) 2008-01-17

Family

ID=34940417

Family Applications (2)

Application Number Title Priority Date Filing Date
DE602005000972T Active DE602005000972T2 (de) 2004-08-04 2005-02-01 Speichersystem und Datenverarbeitungssystem
DE602005007258T Active DE602005007258D1 (de) 2004-08-04 2005-02-01 Speichersystem und Datenverarbeitungssystem

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE602005007258T Active DE602005007258D1 (de) 2004-08-04 2005-02-01 Speichersystem und Datenverarbeitungssystem

Country Status (4)

Country Link
US (4) US7159088B2 (de)
EP (2) EP1796004B1 (de)
JP (1) JP4519563B2 (de)
DE (2) DE602005000972T2 (de)

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US7296126B2 (en) 2007-11-13
US7159088B2 (en) 2007-01-02
DE602005000972T2 (de) 2008-01-17
EP1624376B1 (de) 2007-04-25
US7313663B2 (en) 2007-12-25
DE602005007258D1 (de) 2008-07-10
EP1796004A1 (de) 2007-06-13
US20080215835A1 (en) 2008-09-04
US20070168630A1 (en) 2007-07-19
EP1624376A2 (de) 2006-02-08
US7529901B2 (en) 2009-05-05
EP1624376A3 (de) 2006-02-15
JP4519563B2 (ja) 2010-08-04
EP1796004B1 (de) 2008-05-28
JP2006048358A (ja) 2006-02-16
US20060031647A1 (en) 2006-02-09

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