JPH0792777B2 - 二重化ファイル装置の障害復旧方式 - Google Patents

二重化ファイル装置の障害復旧方式

Info

Publication number
JPH0792777B2
JPH0792777B2 JP63027279A JP2727988A JPH0792777B2 JP H0792777 B2 JPH0792777 B2 JP H0792777B2 JP 63027279 A JP63027279 A JP 63027279A JP 2727988 A JP2727988 A JP 2727988A JP H0792777 B2 JPH0792777 B2 JP H0792777B2
Authority
JP
Japan
Prior art keywords
file
latch relay
file device
latch
relay
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
JP63027279A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01204162A (ja
Inventor
正典 藤村
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Priority to JP63027279A priority Critical patent/JPH0792777B2/ja
Priority to FR8901618A priority patent/FR2626988A1/fr
Publication of JPH01204162A publication Critical patent/JPH01204162A/ja
Priority to US07/911,789 priority patent/US5247692A/en
Publication of JPH0792777B2 publication Critical patent/JPH0792777B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • 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

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)
  • Techniques For Improving Reliability Of Storages (AREA)
JP63027279A 1988-02-08 1988-02-08 二重化ファイル装置の障害復旧方式 Expired - Lifetime JPH0792777B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP63027279A JPH0792777B2 (ja) 1988-02-08 1988-02-08 二重化ファイル装置の障害復旧方式
FR8901618A FR2626988A1 (fr) 1988-02-08 1989-02-08 Systeme de fichiers multiples
US07/911,789 US5247692A (en) 1988-02-08 1992-07-10 Multiple file system having a plurality of file units holding the same files in which loss of data is prevented in a failure of a file unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63027279A JPH0792777B2 (ja) 1988-02-08 1988-02-08 二重化ファイル装置の障害復旧方式

Publications (2)

Publication Number Publication Date
JPH01204162A JPH01204162A (ja) 1989-08-16
JPH0792777B2 true JPH0792777B2 (ja) 1995-10-09

Family

ID=12216634

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63027279A Expired - Lifetime JPH0792777B2 (ja) 1988-02-08 1988-02-08 二重化ファイル装置の障害復旧方式

Country Status (2)

Country Link
JP (1) JPH0792777B2 (enExample)
FR (1) FR2626988A1 (enExample)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864670A (en) * 1970-09-30 1975-02-04 Yokogawa Electric Works Ltd Dual computer system with signal exchange system

Also Published As

Publication number Publication date
FR2626988B1 (enExample) 1993-02-26
FR2626988A1 (fr) 1989-08-11
JPH01204162A (ja) 1989-08-16

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