DE3751853D1 - Vorrichtung für ein fehlertolerantes Rechnersystem mit erweiterungsfähigem Prozessorabschnitt - Google Patents

Vorrichtung für ein fehlertolerantes Rechnersystem mit erweiterungsfähigem Prozessorabschnitt

Info

Publication number
DE3751853D1
DE3751853D1 DE3751853T DE3751853T DE3751853D1 DE 3751853 D1 DE3751853 D1 DE 3751853D1 DE 3751853 T DE3751853 T DE 3751853T DE 3751853 T DE3751853 T DE 3751853T DE 3751853 D1 DE3751853 D1 DE 3751853D1
Authority
DE
Germany
Prior art keywords
processor
section
units
computer system
processor section
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
DE3751853T
Other languages
English (en)
Other versions
DE3751853T2 (de
Inventor
Jeffrey L Williams
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.)
Ascend Communications Inc
Original Assignee
Stratus Computer Inc
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 Stratus Computer Inc filed Critical Stratus Computer Inc
Publication of DE3751853D1 publication Critical patent/DE3751853D1/de
Application granted granted Critical
Publication of DE3751853T2 publication Critical patent/DE3751853T2/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
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1675—Temporal synchronisation or re-synchronisation of redundant processing components
    • G06F11/1679—Temporal synchronisation or re-synchronisation of redundant processing components at clock signal level
    • 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
    • G06F11/1629—Error detection by comparing the output of redundant processing systems
    • G06F11/165—Error detection by comparing the output of redundant processing systems with continued operation after detection of the error
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
    • G06F13/368—Handling requests for interconnection or transfer for access to common bus or bus system with decentralised access control
    • G06F13/372—Handling requests for interconnection or transfer for access to common bus or bus system with decentralised access control using a time-dependent priority, e.g. individually loaded time counters or time slot
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
    • G06F15/177—Initialisation or configuration control
    • 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
    • G06F11/1629—Error detection by comparing the output of redundant processing systems
    • G06F11/1641—Error detection by comparing the output of redundant processing systems where the comparison is not performed by the redundant processing components
    • 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
    • G06F11/2002—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 interconnections or communication control functionality are redundant
    • G06F11/2007—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 interconnections or communication control functionality are redundant using redundant communication media
DE3751853T 1986-11-05 1987-11-04 Vorrichtung für ein fehlertolerantes Rechnersystem mit erweiterungsfähigem Prozessorabschnitt Expired - Lifetime DE3751853T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/927,746 US4816990A (en) 1986-11-05 1986-11-05 Method and apparatus for fault-tolerant computer system having expandable processor section

Publications (2)

Publication Number Publication Date
DE3751853D1 true DE3751853D1 (de) 1996-08-08
DE3751853T2 DE3751853T2 (de) 1997-02-27

Family

ID=25455185

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3751853T Expired - Lifetime DE3751853T2 (de) 1986-11-05 1987-11-04 Vorrichtung für ein fehlertolerantes Rechnersystem mit erweiterungsfähigem Prozessorabschnitt

Country Status (5)

Country Link
US (1) US4816990A (de)
EP (1) EP0267011B1 (de)
JP (2) JP2623261B2 (de)
AT (1) ATE140088T1 (de)
DE (1) DE3751853T2 (de)

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US6820213B1 (en) 2000-04-13 2004-11-16 Stratus Technologies Bermuda, Ltd. Fault-tolerant computer system with voter delay buffer
US6633996B1 (en) 2000-04-13 2003-10-14 Stratus Technologies Bermuda Ltd. Fault-tolerant maintenance bus architecture
US6691257B1 (en) 2000-04-13 2004-02-10 Stratus Technologies Bermuda Ltd. Fault-tolerant maintenance bus protocol and method for using the same
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
US6691225B1 (en) 2000-04-14 2004-02-10 Stratus Technologies Bermuda Ltd. Method and apparatus for deterministically booting a computer system having redundant components
US6948010B2 (en) 2000-12-20 2005-09-20 Stratus Technologies Bermuda Ltd. Method and apparatus for efficiently moving portions of a memory block
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US6996750B2 (en) * 2001-05-31 2006-02-07 Stratus Technologies Bermuda Ltd. Methods and apparatus for computer bus error termination
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US8972767B2 (en) * 2012-11-16 2015-03-03 Oracle International Corporation Method and apparatus for synchronizing the time reference of a dynamically activated processor to the system time reference
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Also Published As

Publication number Publication date
EP0267011A3 (en) 1990-01-31
JPS63220353A (ja) 1988-09-13
EP0267011A2 (de) 1988-05-11
US4816990A (en) 1989-03-28
EP0267011B1 (de) 1996-07-03
JP3071151B2 (ja) 2000-07-31
DE3751853T2 (de) 1997-02-27
ATE140088T1 (de) 1996-07-15
JPH09198359A (ja) 1997-07-31
JP2623261B2 (ja) 1997-06-25

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Legal Events

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8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: KRAMER - BARSKE - SCHMIDTCHEN, 81245 MUENCHEN