DE69938378D1 - Datenkopieren in Speichersystemen - Google Patents

Datenkopieren in Speichersystemen

Info

Publication number
DE69938378D1
DE69938378D1 DE69938378T DE69938378T DE69938378D1 DE 69938378 D1 DE69938378 D1 DE 69938378D1 DE 69938378 T DE69938378 T DE 69938378T DE 69938378 T DE69938378 T DE 69938378T DE 69938378 D1 DE69938378 D1 DE 69938378D1
Authority
DE
Germany
Prior art keywords
storage systems
copy data
copy
data
systems
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.)
Expired - Lifetime
Application number
DE69938378T
Other languages
English (en)
Other versions
DE69938378T2 (de
Inventor
Haruaki Watanabe
Kouji Arai
Katsunori Nakamura
Takashi Oeda
Akira Yamamoto
Kenji Yamagami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
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 DE69938378D1 publication Critical patent/DE69938378D1/de
Publication of DE69938378T2 publication Critical patent/DE69938378T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1446—Point-in-time backing up or restoration of persistent data
    • G06F11/1448—Management of the data involved in backup or backup restore
    • G06F11/1451—Management of the data involved in backup or backup restore by selection of backup contents
    • 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
    • G06F11/2064—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; 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
DE69938378T 1998-08-20 1999-08-16 Kopieren von Daten in Speichersystemen Expired - Lifetime DE69938378T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP23386098 1998-08-20
JP23386098 1998-08-20

Publications (2)

Publication Number Publication Date
DE69938378D1 true DE69938378D1 (de) 2008-04-30
DE69938378T2 DE69938378T2 (de) 2009-04-30

Family

ID=16961715

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69938378T Expired - Lifetime DE69938378T2 (de) 1998-08-20 1999-08-16 Kopieren von Daten in Speichersystemen

Country Status (3)

Country Link
US (2) US6681303B1 (de)
EP (1) EP0981091B1 (de)
DE (1) DE69938378T2 (de)

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Also Published As

Publication number Publication date
DE69938378T2 (de) 2009-04-30
EP0981091B1 (de) 2008-03-19
EP0981091A3 (de) 2006-10-25
US7162598B2 (en) 2007-01-09
EP0981091A2 (de) 2000-02-23
US20040107315A1 (en) 2004-06-03
US6681303B1 (en) 2004-01-20

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