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GB2188177B - Computer system having data resource and a pluralyt of data processors sharing the data resource and a control method therefor - Google Patents
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GB2188177B - Computer system having data resource and a pluralyt of data processors sharing the data resource and a control method therefor - Google Patents

Computer system having data resource and a pluralyt of data processors sharing the data resource and a control method therefor

Info

Publication number
GB2188177B
GB2188177B GB8703191A GB8703191A GB2188177B GB 2188177 B GB2188177 B GB 2188177B GB 8703191 A GB8703191 A GB 8703191A GB 8703191 A GB8703191 A GB 8703191A GB 2188177 B GB2188177 B GB 2188177B
Authority
GB
United Kingdom
Prior art keywords
data
data resource
pluralyt
computer system
control method
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
GB8703191A
Other versions
GB2188177A (en
GB8703191D0 (en
Inventor
Mamio Yamagishi
Jun Nitta
Kyoichi Suzuki
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 Software Engineering Co Ltd
Hitachi Ltd
Original Assignee
Hitachi Software Engineering Co Ltd
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 Software Engineering Co Ltd, Hitachi Ltd filed Critical Hitachi Software Engineering Co Ltd
Publication of GB8703191D0 publication Critical patent/GB8703191D0/en
Publication of GB2188177A publication Critical patent/GB2188177A/en
Application granted granted Critical
Publication of GB2188177B publication Critical patent/GB2188177B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/52—Program synchronisation; Mutual exclusion, e.g. by means of semaphores
    • G06F9/526—Mutual exclusion algorithms
    • 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
    • G06F11/2046—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 where the redundant components share persistent storage
    • 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
    • G06F11/2041—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 more than one idle spare processing component
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2209/00—Indexing scheme relating to G06F9/00
    • G06F2209/52—Indexing scheme relating to G06F9/52
    • G06F2209/522—Manager

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Hardware Redundancy (AREA)
  • Multi Processors (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
GB8703191A 1986-02-26 1987-02-12 Computer system having data resource and a pluralyt of data processors sharing the data resource and a control method therefor Expired GB2188177B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61039219A JPS62197858A (en) 1986-02-26 1986-02-26 Inter-system database sharing method

Publications (3)

Publication Number Publication Date
GB8703191D0 GB8703191D0 (en) 1987-03-18
GB2188177A GB2188177A (en) 1987-09-23
GB2188177B true GB2188177B (en) 1989-11-08

Family

ID=12547027

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8703191A Expired GB2188177B (en) 1986-02-26 1987-02-12 Computer system having data resource and a pluralyt of data processors sharing the data resource and a control method therefor

Country Status (2)

Country Link
JP (1) JPS62197858A (en)
GB (1) GB2188177B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02105252A (en) * 1988-10-14 1990-04-17 Nec Corp Lock processing system
JPH02306355A (en) * 1988-10-25 1990-12-19 Apollo Computer Inc Bus lock system
US5175829A (en) * 1988-10-25 1992-12-29 Hewlett-Packard Company Method and apparatus for bus lock during atomic computer operations
US5167022A (en) * 1988-10-25 1992-11-24 Hewlett-Packard Company Multiprocessor bus locking system with a winning processor broadcasting an ownership signal causing all processors to halt their requests
US5239637A (en) * 1989-06-30 1993-08-24 Digital Equipment Corporation Digital data management system for maintaining consistency of data in a shadow set
DE69031443T2 (en) * 1989-06-30 1998-04-23 Digital Equipment Corp Method and arrangement for controlling shadow memories
US5210865A (en) * 1989-06-30 1993-05-11 Digital Equipment Corporation Transferring data between storage media while maintaining host processor access for I/O operations
US5247618A (en) * 1989-06-30 1993-09-21 Digital Equipment Corporation Transferring data in a digital data processing system
DE69021655T2 (en) * 1989-06-30 1996-04-18 Digital Equipment Corp Data transmission in a digital data processing system.
US5117352A (en) * 1989-10-20 1992-05-26 Digital Equipment Corporation Mechanism for fail-over notification
EP0457308B1 (en) * 1990-05-18 1997-01-22 Fujitsu Limited Data processing system having an input/output path disconnecting mechanism and method for controlling the data processing system
US5392397A (en) * 1992-03-30 1995-02-21 International Business Machines Corporation Command execution system for using first and second commands to reserve and store second command related status information in memory portion respectively
US5432929A (en) * 1992-09-09 1995-07-11 International Business Machines Corporation Storage subsystem having a modifiable key-lock
GB9408405D0 (en) * 1994-04-28 1994-06-22 Int Computers Ltd High availibilty computer system
US5913227A (en) * 1997-03-24 1999-06-15 Emc Corporation Agent-implemented locking mechanism
US6122714A (en) * 1997-10-24 2000-09-19 Compaq Computer Corp. Order supporting mechanisms for use in a switch-based multi-processor system
US7013305B2 (en) 2001-10-01 2006-03-14 International Business Machines Corporation Managing the state of coupling facility structures, detecting by one or more systems coupled to the coupling facility, the suspended state of the duplexed command, detecting being independent of message exchange
JP3365382B2 (en) 2000-01-13 2003-01-08 日本電気株式会社 Duplex system for transmission spread processing circuit in CDMA communication device
JP3910997B2 (en) 2003-07-02 2007-04-25 聰 山竹 Image database system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0049423A2 (en) * 1980-10-06 1982-04-14 International Business Machines Corporation Multiprocessor system
EP0081056A2 (en) * 1981-11-27 1983-06-15 International Business Machines Corporation A data processing network having a distributed data file access control
EP0147295A2 (en) * 1983-12-26 1985-07-03 Fujitsu Limited Data processing system including a plurality of multiprocessor systems
EP0166984A2 (en) * 1984-06-29 1986-01-08 International Business Machines Corporation A multiprocessor resource locking system and its method of operation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0049423A2 (en) * 1980-10-06 1982-04-14 International Business Machines Corporation Multiprocessor system
EP0081056A2 (en) * 1981-11-27 1983-06-15 International Business Machines Corporation A data processing network having a distributed data file access control
EP0147295A2 (en) * 1983-12-26 1985-07-03 Fujitsu Limited Data processing system including a plurality of multiprocessor systems
EP0166984A2 (en) * 1984-06-29 1986-01-08 International Business Machines Corporation A multiprocessor resource locking system and its method of operation

Also Published As

Publication number Publication date
GB2188177A (en) 1987-09-23
GB8703191D0 (en) 1987-03-18
JPS62197858A (en) 1987-09-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020212