CA1145477A - Methode de fonctionnement synchrone pour processeur duplex - Google Patents

Methode de fonctionnement synchrone pour processeur duplex

Info

Publication number
CA1145477A
CA1145477A CA000334917A CA334917A CA1145477A CA 1145477 A CA1145477 A CA 1145477A CA 000334917 A CA000334917 A CA 000334917A CA 334917 A CA334917 A CA 334917A CA 1145477 A CA1145477 A CA 1145477A
Authority
CA
Canada
Prior art keywords
processor
data
processing
accident
trouble
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
Application number
CA000334917A
Other languages
English (en)
Inventor
Masamichi Iwama
Satoru Tsushima
Koichi Watanabe
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of CA1145477A publication Critical patent/CA1145477A/fr
Expired 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
    • G06F11/2097—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 maintaining the standby controller/processing unit updated
    • 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
    • G06F11/202—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 processing functionality is redundant
    • G06F11/2038—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 processing functionality is redundant with a single idle spare processing component

Landscapes

  • 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)
  • Multi Processors (AREA)
CA000334917A 1978-09-08 1979-08-31 Methode de fonctionnement synchrone pour processeur duplex Expired CA1145477A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11030378A JPS5537641A (en) 1978-09-08 1978-09-08 Synchronization system for doubled processor
JP110303/78 1978-09-08

Publications (1)

Publication Number Publication Date
CA1145477A true CA1145477A (fr) 1983-04-26

Family

ID=14532271

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000334917A Expired CA1145477A (fr) 1978-09-08 1979-08-31 Methode de fonctionnement synchrone pour processeur duplex

Country Status (5)

Country Link
JP (1) JPS5537641A (fr)
CA (1) CA1145477A (fr)
DE (1) DE2935841C2 (fr)
FR (1) FR2435757B1 (fr)
GB (1) GB2032149B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4823256A (en) * 1984-06-22 1989-04-18 American Telephone And Telegraph Company, At&T Bell Laboratories Reconfigurable dual processor system

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4374414A (en) * 1980-06-26 1983-02-15 Gte Automatic Electric Labs Inc. Arbitration controller providing for access of a common resource by a duplex plurality of central processing units
US4394728A (en) * 1980-06-26 1983-07-19 Gte Automatic Electric Labs Inc. Allocation controller providing for access of multiple common resources by a duplex plurality of central processing units
US4395753A (en) * 1980-06-26 1983-07-26 Gte Automatic Electric Labs Inc. Allocation controller providing for access of multiple common resources by a plurality of central processing units
US4363096A (en) * 1980-06-26 1982-12-07 Gte Automatic Electric Labs Inc. Arbitration controller providing for access of a common resource by a duplex plurality of central processing units
US4590554A (en) * 1982-11-23 1986-05-20 Parallel Computers Systems, Inc. Backup fault tolerant computer system
GB8310003D0 (en) * 1983-04-13 1983-05-18 Gen Electric Co Plc Input signal handling apparatus
FR2551897A1 (fr) * 1983-09-13 1985-03-15 Westinghouse Electric Corp Appareil et procede pour realiser la redondance dans un systeme de commande de procede, distribue
GB2237904B (en) * 1984-02-28 1991-10-02 Lucas Ind Plc Digital control system
JPH06100201B2 (ja) * 1984-07-16 1994-12-12 石川島播磨重工業株式会社 電気油圧サ−ボ制御装置
EP0211063A4 (fr) * 1985-01-22 1989-02-23 Nat Can Corp Systeme redondant de commande pour machine automatique de formage.
US4665520A (en) * 1985-02-01 1987-05-12 International Business Machines Corporation Optimistic recovery in a distributed processing system
US5067080A (en) * 1985-04-11 1991-11-19 Lucas Industries Public Limited Company Digital control system
DE3518105A1 (de) * 1985-05-21 1986-11-27 Alfred Teves Gmbh, 6000 Frankfurt Verfahren und schaltungsanordnung zur unterdrueckung von kurzzeitigen stoerungen
US5155678A (en) * 1985-10-29 1992-10-13 International Business Machines Corporation Data availability in restartable data base system
US4847749A (en) * 1986-06-13 1989-07-11 International Business Machines Corporation Job interrupt at predetermined boundary for enhanced recovery
US5079740A (en) * 1987-01-12 1992-01-07 Ncr Corporation System and method of providing an automatic back-up primary terminal for a cluster of secondary terminals
GB2217487B (en) * 1988-04-13 1992-09-23 Yokogawa Electric Corp Dual computer system
US4959768A (en) * 1989-01-23 1990-09-25 Honeywell Inc. Apparatus for tracking predetermined data for updating a secondary data base
US4958270A (en) * 1989-01-23 1990-09-18 Honeywell Inc. Method for control data base updating of a redundant processor in a process control system
JP2960560B2 (ja) 1991-02-28 1999-10-06 株式会社日立製作所 超小型電子機器
JP3047275B2 (ja) * 1993-06-11 2000-05-29 株式会社日立製作所 バックアップ切り換え制御方法
US5649089A (en) * 1994-11-30 1997-07-15 Motorola, Inc. Method and apparatus for maintaining a redundant database system
EP1185928A1 (fr) 1998-12-16 2002-03-13 Kent Ridge Digital Labs Environnement de calcul oriente processus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1163859A (en) * 1968-07-19 1969-09-10 Ibm Data Processing Systems
JPS5918740B2 (ja) * 1976-04-27 1984-04-28 株式会社東芝 複数計算機システム
US4070630A (en) * 1976-05-03 1978-01-24 Motorola Inc. Data transfer synchronizing circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4823256A (en) * 1984-06-22 1989-04-18 American Telephone And Telegraph Company, At&T Bell Laboratories Reconfigurable dual processor system

Also Published As

Publication number Publication date
DE2935841C2 (de) 1985-09-19
FR2435757B1 (fr) 1986-09-26
DE2935841A1 (de) 1980-07-24
GB2032149B (en) 1983-03-23
JPS5537641A (en) 1980-03-15
FR2435757A1 (fr) 1980-04-04
GB2032149A (en) 1980-04-30

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Legal Events

Date Code Title Description
MKEX Expiry
MKEX Expiry

Effective date: 20000426