DE69739883D1 - Fehler-betriebssuchendes/fehlertolerantes rechensystem - Google Patents

Fehler-betriebssuchendes/fehlertolerantes rechensystem

Info

Publication number
DE69739883D1
DE69739883D1 DE69739883T DE69739883T DE69739883D1 DE 69739883 D1 DE69739883 D1 DE 69739883D1 DE 69739883 T DE69739883 T DE 69739883T DE 69739883 T DE69739883 T DE 69739883T DE 69739883 D1 DE69739883 D1 DE 69739883D1
Authority
DE
Germany
Prior art keywords
error
tolerant
right system
operation search
error operation
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
DE69739883T
Other languages
English (en)
Inventor
Thomas D Bissett
Martin J Fitzgerald
Paul A Leveille
James D Mccollum
Erik Muench
Glenn A Tremblay
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.)
Marathon Technologies Corp
Original Assignee
Marathon Technologies 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 Marathon Technologies Corp filed Critical Marathon Technologies Corp
Application granted granted Critical
Publication of DE69739883D1 publication Critical patent/DE69739883D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/1629Error detection by comparing the output of redundant processing systems
    • G06F11/1641Error detection by comparing the output of redundant processing systems where the comparison is not performed by the redundant processing components
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0706Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
    • G06F11/0709Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment in a distributed system consisting of a plurality of standalone computer nodes, e.g. clusters, client-server systems
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0706Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
    • G06F11/0745Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment in an input/output transactions management context
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/079Root cause analysis, i.e. error or fault diagnosis
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/1629Error detection by comparing the output of redundant processing systems
    • G06F11/1641Error detection by comparing the output of redundant processing systems where the comparison is not performed by the redundant processing components
    • G06F11/1645Error detection by comparing the output of redundant processing systems where the comparison is not performed by the redundant processing components and the comparison itself uses redundant hardware
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/1658Data re-synchronization of a redundant component, or initial sync of replacement, additional or spare unit
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/1675Temporal synchronisation or re-synchronisation of redundant processing components
    • G06F11/1683Temporal synchronisation or re-synchronisation of redundant processing components at instruction level
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/1675Temporal synchronisation or re-synchronisation of redundant processing components
    • G06F11/1691Temporal synchronisation or re-synchronisation of redundant processing components using a quantum
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/30Monitoring
    • G06F11/32Monitoring with visual or acoustical indication of the functioning of the machine
    • G06F11/324Display of status information
    • G06F11/327Alarm or error message display
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/1629Error detection by comparing the output of redundant processing systems
    • G06F11/165Error detection by comparing the output of redundant processing systems with continued operation after detection of the error
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/20Error 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
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/30Monitoring
    • G06F11/3065Monitoring arrangements determined by the means or processing involved in reporting the monitored data
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2201/00Indexing scheme relating to error detection, to error correction, and to monitoring
    • G06F2201/845Systems in which the redundancy can be transformed in increased performance
DE69739883T 1996-09-17 1997-09-16 Fehler-betriebssuchendes/fehlertolerantes rechensystem Expired - Lifetime DE69739883D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/710,404 US5790397A (en) 1996-09-17 1996-09-17 Fault resilient/fault tolerant computing
PCT/US1997/016218 WO1998012657A1 (en) 1996-09-17 1997-09-16 Fault resilient/fault tolerant computing

Publications (1)

Publication Number Publication Date
DE69739883D1 true DE69739883D1 (de) 2010-07-01

Family

ID=24853895

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69739883T Expired - Lifetime DE69739883D1 (de) 1996-09-17 1997-09-16 Fehler-betriebssuchendes/fehlertolerantes rechensystem

Country Status (7)

Country Link
US (2) US5790397A (de)
EP (1) EP1000404B1 (de)
JP (1) JP4544651B2 (de)
AU (1) AU723208B2 (de)
CA (1) CA2264599A1 (de)
DE (1) DE69739883D1 (de)
WO (1) WO1998012657A1 (de)

Families Citing this family (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5790397A (en) * 1996-09-17 1998-08-04 Marathon Technologies Corporation Fault resilient/fault tolerant computing
TW355762B (en) * 1996-12-26 1999-04-11 Toshiba Co Ltd Checkpoint rollback I/O control device and I/O control method
US5896523A (en) * 1997-06-04 1999-04-20 Marathon Technologies Corporation Loosely-coupled, synchronized execution
DE19815263C2 (de) * 1998-04-04 2002-03-28 Astrium Gmbh Vorrichtung zur fehlertoleranten Ausführung von Programmen
US6178522B1 (en) 1998-06-02 2001-01-23 Alliedsignal Inc. Method and apparatus for managing redundant computer-based systems for fault tolerant computing
US6321279B1 (en) * 1998-09-14 2001-11-20 Compaq Computer Corporation System for implementing intelligent I/O processing in a multi-processor system by redirecting I/O messages to a target central processor selected from the multi-processor system
US6351829B1 (en) * 1998-10-28 2002-02-26 Honeywell Inc System and method for distinguishing a device failure from an inter-device communication failure
US6578054B1 (en) * 1999-10-04 2003-06-10 Microsoft Corporation Method and system for supporting off-line mode of operation and synchronization using resource state information
FR2803057B1 (fr) * 1999-12-22 2002-11-29 Centre Nat Etd Spatiales Systeme informatique tolerant aux erreurs transitoires et procede de gestion dans un tel systeme
US6961765B2 (en) 2000-04-06 2005-11-01 Bbx Technologies, Inc. System and method for real time monitoring and control of networked computers
US6708283B1 (en) 2000-04-13 2004-03-16 Stratus Technologies, Bermuda Ltd. System and method for operating a system with redundant peripheral bus controllers
US6687851B1 (en) 2000-04-13 2004-02-03 Stratus Technologies Bermuda Ltd. Method and system for upgrading fault-tolerant systems
US6735715B1 (en) 2000-04-13 2004-05-11 Stratus Technologies Bermuda Ltd. System and method for operating a SCSI bus with redundant SCSI adaptors
US6820213B1 (en) 2000-04-13 2004-11-16 Stratus Technologies Bermuda, Ltd. Fault-tolerant computer system with voter delay buffer
US6691225B1 (en) 2000-04-14 2004-02-10 Stratus Technologies Bermuda Ltd. Method and apparatus for deterministically booting a computer system having redundant components
US6665822B1 (en) * 2000-06-09 2003-12-16 Cisco Technology, Inc. Field availability monitoring
EP1239369A1 (de) * 2001-03-07 2002-09-11 Siemens Aktiengesellschaft Fehlertolerante Rechneranordnung und Verfahren zum Betrieb einer derartigen Anordnung
US6928583B2 (en) * 2001-04-11 2005-08-09 Stratus Technologies Bermuda Ltd. Apparatus and method for two computing elements in a fault-tolerant server to execute instructions in lockstep
EP1256867B1 (de) * 2001-05-10 2005-08-03 Hewlett Packard Company, a Delaware Corporation Computer mit einem Urladesequenz enthaltendem Hauptverarbeitungssubsystem
US7177267B2 (en) * 2001-11-09 2007-02-13 Adc Dsl Systems, Inc. Hardware monitoring and configuration management
US7203865B2 (en) * 2002-04-23 2007-04-10 Gateway Inc. Application level and BIOS level disaster recovery
US20030236826A1 (en) * 2002-06-24 2003-12-25 Nayeem Islam System and method for making mobile applications fault tolerant
US7266607B2 (en) * 2002-08-27 2007-09-04 International Business Machines Corporation Quasi-high availability hosted applications
US7197664B2 (en) * 2002-10-28 2007-03-27 Intel Corporation Stateless redundancy in a network device
US7149919B2 (en) * 2003-05-15 2006-12-12 Hewlett-Packard Development Company, L.P. Disaster recovery system with cascaded resynchronization
ES2354292T3 (es) 2003-09-19 2011-03-11 Research In Motion Limited Dispositivo electrónico de mano y método asociado que proporciona datos de tiempo en un entorno de mensajería.
US8799706B2 (en) 2004-03-30 2014-08-05 Hewlett-Packard Development Company, L.P. Method and system of exchanging information between processors
US20050240806A1 (en) * 2004-03-30 2005-10-27 Hewlett-Packard Development Company, L.P. Diagnostic memory dump method in a redundant processor
US7426656B2 (en) * 2004-03-30 2008-09-16 Hewlett-Packard Development Company, L.P. Method and system executing user programs on non-deterministic processors
US7272745B2 (en) * 2004-06-30 2007-09-18 Intel Corporation Data protection system
JP4165499B2 (ja) * 2004-12-13 2008-10-15 日本電気株式会社 コンピュータシステム及びそれを用いたフォールトトレラントシステム並びにその動作制御方法
US7418604B2 (en) * 2004-12-22 2008-08-26 Hewlett-Packard Development Company, L.P. System and method for powering on after verifying proper operation of a charge pump and voltage regulator
US7496787B2 (en) * 2004-12-27 2009-02-24 Stratus Technologies Bermuda Ltd. Systems and methods for checkpointing
US7469375B2 (en) * 2005-01-18 2008-12-23 International Business Machines Corporation Systems and methods for managing error dependencies
US7328331B2 (en) * 2005-01-25 2008-02-05 Hewlett-Packard Development Company, L.P. Method and system of aligning execution point of duplicate copies of a user program by copying memory stores
US7467327B2 (en) * 2005-01-25 2008-12-16 Hewlett-Packard Development Company, L.P. Method and system of aligning execution point of duplicate copies of a user program by exchanging information about instructions executed
US20060222126A1 (en) * 2005-03-31 2006-10-05 Stratus Technologies Bermuda Ltd. Systems and methods for maintaining synchronicity during signal transmission
US20060222125A1 (en) * 2005-03-31 2006-10-05 Edwards John W Jr Systems and methods for maintaining synchronicity during signal transmission
US7933966B2 (en) * 2005-04-26 2011-04-26 Hewlett-Packard Development Company, L.P. Method and system of copying a memory area between processor elements for lock-step execution
US7590885B2 (en) * 2005-04-26 2009-09-15 Hewlett-Packard Development Company, L.P. Method and system of copying memory from a source processor to a target processor by duplicating memory writes
US20070011499A1 (en) * 2005-06-07 2007-01-11 Stratus Technologies Bermuda Ltd. Methods for ensuring safe component removal
US20070006166A1 (en) * 2005-06-20 2007-01-04 Seagate Technology Llc Code coverage for an embedded processor system
US20070028144A1 (en) * 2005-07-29 2007-02-01 Stratus Technologies Bermuda Ltd. Systems and methods for checkpointing
US20070038891A1 (en) * 2005-08-12 2007-02-15 Stratus Technologies Bermuda Ltd. Hardware checkpointing system
US7669073B2 (en) * 2005-08-19 2010-02-23 Stratus Technologies Bermuda Ltd. Systems and methods for split mode operation of fault-tolerant computer systems
US7516246B2 (en) 2005-10-27 2009-04-07 International Business Machines Corporation Communications channel method for verifying integrity of untrusted subsystem responses to a request
US20070180312A1 (en) * 2006-02-01 2007-08-02 Avaya Technology Llc Software duplication
US8121029B2 (en) * 2006-02-06 2012-02-21 At&T Intellectual Property I, L.P. Methods and systems for providing supported DSL communications features as selections
US20070192381A1 (en) * 2006-02-15 2007-08-16 Padmanabhan Arun K Recalling website customer information across multiple servers located at different sites not directly connected to each other without requiring customer registration
US20070209032A1 (en) * 2006-02-23 2007-09-06 Microsoft Corporation Driver verifier
US7676694B2 (en) * 2006-03-31 2010-03-09 Emc Corporation Managing system components
DE102006048173A1 (de) * 2006-10-10 2008-04-17 Robert Bosch Gmbh Verfahren zum Umschalten eines Systems mit mehreren Ausführungseinheiten
FR2912526B1 (fr) * 2007-02-13 2009-04-17 Thales Sa Procede de maintien du synchronisme d'execution entre plusieurs processeurs asynchrones fonctionnant en parallele de maniere redondante.
US7949905B2 (en) * 2007-10-09 2011-05-24 Honeywell International Inc. Apparatus and method for dynamically detecting improper configuration data provided in a network
WO2010064286A1 (ja) * 2008-12-01 2010-06-10 富士通株式会社 制御回路、情報処理装置及び情報処理装置の制御方法
EP3142016B1 (de) * 2012-11-21 2021-10-13 Coherent Logix Incorporated Dma-fifo-verarbeitungssystem mit vermischten prozessoren
US9251002B2 (en) 2013-01-15 2016-02-02 Stratus Technologies Bermuda Ltd. System and method for writing checkpointing data
EP3090345B1 (de) 2013-12-30 2017-11-08 Stratus Technologies Bermuda Ltd. Verfahren zur prüfpunktverzögerung durch inspektion von netzwerkdatenpaketen
WO2015102875A1 (en) 2013-12-30 2015-07-09 Stratus Technologies Bermuda Ltd. Checkpointing systems and methods of using data forwarding
JP6518672B2 (ja) 2013-12-30 2019-05-22 ストラタス・テクノロジーズ・バミューダ・リミテッド 動的チェックポインティングシステムおよび方法
EP3218826A4 (de) 2014-11-13 2018-04-11 Virtual Software Systems, Inc. System für host-übergreifende multithread-sitzungsausrichtung
DE102017208484A1 (de) * 2017-05-19 2018-11-22 Robert Bosch Gmbh Verfahren und Vorrichtung zur Erkennung von Hardwarefehlern in Mikroprozessoren
US10592359B2 (en) 2017-11-02 2020-03-17 Cognizant Technology Solutions India Pvt. Ltd. System and a method for providing on-demand resiliency services
US10902166B2 (en) * 2017-12-31 2021-01-26 Arteris, Inc. System and method for isolating faults in a resilient system
US10838815B2 (en) 2018-09-19 2020-11-17 Dell Products L.P. Fault tolerant and diagnostic boot
US10891068B2 (en) 2019-06-03 2021-01-12 International Business Machines Corporation Temporary relocation of data within local storage of a dispersed storage network

Family Cites Families (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4123794A (en) * 1974-02-15 1978-10-31 Tokyo Shibaura Electric Co., Limited Multi-computer system
US4358823A (en) * 1977-03-25 1982-11-09 Trw, Inc. Double redundant processor
US4270168A (en) * 1978-08-31 1981-05-26 United Technologies Corporation Selective disablement in fail-operational, fail-safe multi-computer control system
US4342083A (en) * 1980-02-05 1982-07-27 The Bendix Corporation Communication system for a multiple-computer system
US4438494A (en) * 1981-08-25 1984-03-20 Intel Corporation Apparatus of fault-handling in a multiprocessing system
US4449182A (en) * 1981-10-05 1984-05-15 Digital Equipment Corporation Interface between a pair of processors, such as host and peripheral-controlling processors in data processing systems
US4503535A (en) * 1982-06-30 1985-03-05 Intel Corporation Apparatus for recovery from failures in a multiprocessing system
US4634110A (en) * 1983-07-28 1987-01-06 Harris Corporation Fault detection and redundancy management system
US4531185A (en) * 1983-08-31 1985-07-23 International Business Machines Corporation Centralized synchronization of clocks
US4823256A (en) * 1984-06-22 1989-04-18 American Telephone And Telegraph Company, At&T Bell Laboratories Reconfigurable dual processor system
US4622667A (en) * 1984-11-27 1986-11-11 Sperry Corporation Digital fail operational automatic flight control system utilizing redundant dissimilar data processing
US4695945A (en) * 1985-02-28 1987-09-22 International Business Machines Corporation Processor I/O and interrupt filters allowing a co-processor to run software unknown to the main processor
US5062042A (en) * 1986-04-28 1991-10-29 Xerox Corporation System for managing data which is accessible by file address or disk address via a disk track map
US4920481A (en) * 1986-04-28 1990-04-24 Xerox Corporation Emulation with display update trapping
US4812968A (en) * 1986-11-12 1989-03-14 International Business Machines Corp. Method for controlling processor access to input/output devices
US4805107A (en) * 1987-04-15 1989-02-14 Allied-Signal Inc. Task scheduler for a fault tolerant multiple node processing system
US4910663A (en) * 1987-07-10 1990-03-20 Tandem Computers Incorporated System for measuring program execution by replacing an executable instruction with interrupt causing instruction
US4916704A (en) * 1987-09-04 1990-04-10 Digital Equipment Corporation Interface of non-fault tolerant components to fault tolerant system
CA1320276C (en) * 1987-09-04 1993-07-13 William F. Bruckert Dual rail processors with error checking on i/o reads
US4907228A (en) * 1987-09-04 1990-03-06 Digital Equipment Corporation Dual-rail processor with error checking at single rail interfaces
EP0306211A3 (de) * 1987-09-04 1990-09-26 Digital Equipment Corporation Synchronisiertes Doppelrechnersystem
EP0306244B1 (de) * 1987-09-04 1995-06-21 Digital Equipment Corporation Fehlertolerantes Rechnersystem mit Fehler-Eingrenzung
AU616213B2 (en) * 1987-11-09 1991-10-24 Tandem Computers Incorporated Method and apparatus for synchronizing a plurality of processors
CA2003338A1 (en) * 1987-11-09 1990-06-09 Richard W. Cutts, Jr. Synchronization of fault-tolerant computer system having multiple processors
US4847830A (en) * 1987-12-02 1989-07-11 Network Equipment Technologies, Inc. Method and apparatus for automatic loading of a data set in a node of a communication network
DE3803525C2 (de) * 1988-02-05 1993-12-02 Licentia Gmbh Vorrichtung zum Betrieb von absoluten Echtzeituhren in einem eine Zentraluhr und Teilnehmer enthaltenden Prozeßsteuersystem
US4937741A (en) * 1988-04-28 1990-06-26 The Charles Stark Draper Laboratory, Inc. Synchronization of fault-tolerant parallel processing systems
US4965717A (en) * 1988-12-09 1990-10-23 Tandem Computers Incorporated Multiple processor system having shared memory with private-write capability
US5048022A (en) * 1989-08-01 1991-09-10 Digital Equipment Corporation Memory device with transfer of ECC signals on time division multiplexed bidirectional lines
US5088021A (en) * 1989-09-07 1992-02-11 Honeywell, Inc. Apparatus and method for guaranteed data store in redundant controllers of a process control system
US5091847A (en) * 1989-10-03 1992-02-25 Grumman Aerospace Corporation Fault tolerant interface station
US5327553A (en) * 1989-12-22 1994-07-05 Tandem Computers Incorporated Fault-tolerant computer system with /CONFIG filesystem
US5295258A (en) * 1989-12-22 1994-03-15 Tandem Computers Incorporated Fault-tolerant computer system with online recovery and reintegration of redundant components
US5280621A (en) * 1989-12-29 1994-01-18 Zenith Data Systems Corporation Personal computer having dedicated processors for peripheral devices interconnected to the CPU by way of a system control processor
US5161156A (en) * 1990-02-02 1992-11-03 International Business Machines Corporation Multiprocessing packet switching connection system having provision for error correction and recovery
US5095423A (en) * 1990-03-27 1992-03-10 Sun Microsystems, Inc. Locking mechanism for the prevention of race conditions
US5157667A (en) * 1990-04-30 1992-10-20 International Business Machines Corporation Methods and apparatus for performing fault isolation and failure analysis in link-connected systems
US5142470A (en) * 1990-09-26 1992-08-25 Honeywell Inc. Method of maintaining synchronization of a free-running secondary processor
US5261092A (en) * 1990-09-26 1993-11-09 Honeywell Inc. Synchronizing slave processors through eavesdrop by one on periodic sync-verify messages directed to another followed by comparison of individual status
US5226152A (en) * 1990-12-07 1993-07-06 Motorola, Inc. Functional lockstep arrangement for redundant processors
US5339404A (en) * 1991-05-28 1994-08-16 International Business Machines Corporation Asynchronous TMR processing system
US5222215A (en) * 1991-08-29 1993-06-22 International Business Machines Corporation Cpu expansive gradation of i/o interruption subclass recognition
US5367639A (en) * 1991-12-30 1994-11-22 Sun Microsystems, Inc. Method and apparatus for dynamic chaining of DMA operations without incurring race conditions
US5251312A (en) * 1991-12-30 1993-10-05 Sun Microsystems, Inc. Method and apparatus for the prevention of race conditions during dynamic chaining operations
US5398331A (en) * 1992-07-08 1995-03-14 International Business Machines Corporation Shared storage controller for dual copy shared data
US5423025A (en) * 1992-09-29 1995-06-06 Amdahl Corporation Error handling mechanism for a controller having a plurality of servers
US5448722A (en) * 1993-03-10 1995-09-05 International Business Machines Corporation Method and system for data processing system error diagnosis utilizing hierarchical blackboard diagnostic sessions
US5390326A (en) * 1993-04-30 1995-02-14 The Foxboro Company Local area network with fault detection and recovery
DE69424565T2 (de) 1993-12-01 2001-01-18 Marathon Techn Corp Fehler-betriebssichere/fehler tolerante computerbetriebsmethode
US5491625A (en) * 1993-12-23 1996-02-13 The Dow Chemical Company Information display system for actively redundant computerized process control
US5555372A (en) * 1994-12-21 1996-09-10 Stratus Computer, Inc. Fault-tolerant computer system employing an improved error-broadcast mechanism
US5790397A (en) * 1996-09-17 1998-08-04 Marathon Technologies Corporation Fault resilient/fault tolerant computing
US5923840A (en) * 1997-04-08 1999-07-13 International Business Machines Corporation Method of reporting errors by a hardware element of a distributed computer system
US5968189A (en) * 1997-04-08 1999-10-19 International Business Machines Corporation System of reporting errors by a hardware element of a distributed computer system

Also Published As

Publication number Publication date
JP2001502449A (ja) 2001-02-20
CA2264599A1 (en) 1998-03-26
US6205565B1 (en) 2001-03-20
EP1000404A4 (de) 2000-11-08
US5790397A (en) 1998-08-04
JP4544651B2 (ja) 2010-09-15
EP1000404B1 (de) 2010-05-19
AU4345697A (en) 1998-04-14
AU723208B2 (en) 2000-08-17
EP1000404A1 (de) 2000-05-17
WO1998012657A1 (en) 1998-03-26

Similar Documents

Publication Publication Date Title
DE69739883D1 (de) Fehler-betriebssuchendes/fehlertolerantes rechensystem
DE69715536D1 (de) Fehlertolerantes verarbeitungssystem
DE59711376D1 (de) Datenbanksystem
DE29714164U1 (de) Rastschaltwerk
BR9700688A (pt) 2-oxo- e 2-tio-1,2-dihidroquinolinil-oxazolidinonas
DE69710619T2 (de) Preiswertes redundantes kommunikationssystem
DE69914443D1 (de) Redundantes Automatisierungssystem
NO980242D0 (no) Dampgjenvinningssystem
FI972843A (fi) Tietokonejärjestelmä
DE69433907D1 (de) Autonomes, evolutionsartiges Hardwareentwurfssystem
DE69515081D1 (de) Redundantes Speicherplattensystem
DE69737573D1 (de) Redundantes Datenverarbeitungssystem
DE69728611D1 (de) Informationsverarbeitungssystem
DE29618083U1 (de) EDV-System-Koffer
DE29702883U1 (de) Stromschienensystem
KR950027645U (ko) 모노카트시스템용 모노레일
DE69508296T2 (de) Transportsystem.
DE29613822U1 (de) Mehrrechnersystem
NL1009232A1 (nl) Projectiesysteem.
DE29618106U1 (de) EDV-System-Koffer
DE29723006U1 (de) Stromschienensystem
DE59009513D1 (de) Redundantes Automatisierungssystem.
DE29612240U1 (de) Gleisanlage
DE29601928U1 (de) EDV-System-Koffer
KR970059547U (ko) 컴퓨터 시스템

Legal Events

Date Code Title Description
8364 No opposition during term of opposition