IT1166776B - Apparecchiatura per effettuare il collegamento e il successivo riallacciamento di dispositivi a cpu su cammini differenti - Google Patents

Apparecchiatura per effettuare il collegamento e il successivo riallacciamento di dispositivi a cpu su cammini differenti

Info

Publication number
IT1166776B
IT1166776B IT22196/79A IT2219679A IT1166776B IT 1166776 B IT1166776 B IT 1166776B IT 22196/79 A IT22196/79 A IT 22196/79A IT 2219679 A IT2219679 A IT 2219679A IT 1166776 B IT1166776 B IT 1166776B
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IT
Italy
Prior art keywords
connection
subsequent
equipment
make
different ways
Prior art date
Application number
IT22196/79A
Other languages
English (en)
Other versions
IT7922196A0 (it
Original Assignee
Ibm
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.)
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Publication date
Application filed by Ibm filed Critical Ibm
Publication of IT7922196A0 publication Critical patent/IT7922196A0/it
Application granted granted Critical
Publication of IT1166776B publication Critical patent/IT1166776B/it

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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
    • G06F11/20—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
    • G06F11/2005—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 controllers
    • 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
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • 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
    • G06F11/201—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 between storage system components
    • 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
    • G06F13/10—Program control for peripheral devices
    • G06F13/12—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor
    • G06F13/122—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware performs an I/O function other than control of data transfer
    • 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
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure
    • G06F13/4004—Coupling between buses
    • G06F13/4022—Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network
    • 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
    • G06F11/20—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
    • G06F11/2089—Redundant storage control functionality

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Quality & Reliability (AREA)
  • Software Systems (AREA)
  • Mathematical Physics (AREA)
  • Multi Processors (AREA)
IT22196/79A 1978-05-08 1979-04-27 Apparecchiatura per effettuare il collegamento e il successivo riallacciamento di dispositivi a cpu su cammini differenti IT1166776B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/904,050 US4207609A (en) 1978-05-08 1978-05-08 Method and means for path independent device reservation and reconnection in a multi-CPU and shared device access system

Publications (2)

Publication Number Publication Date
IT7922196A0 IT7922196A0 (it) 1979-04-27
IT1166776B true IT1166776B (it) 1987-05-06

Family

ID=25418457

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22196/79A IT1166776B (it) 1978-05-08 1979-04-27 Apparecchiatura per effettuare il collegamento e il successivo riallacciamento di dispositivi a cpu su cammini differenti

Country Status (13)

Country Link
US (1) US4207609A (it)
JP (1) JPS5838818B2 (it)
AU (1) AU521915B2 (it)
BR (1) BR7902718A (it)
CA (1) CA1116260A (it)
CH (1) CH637229A5 (it)
DE (1) DE2917441C3 (it)
ES (1) ES480295A1 (it)
FR (1) FR2425676B1 (it)
GB (1) GB2020456B (it)
IT (1) IT1166776B (it)
NL (1) NL7903614A (it)
SE (1) SE440960B (it)

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FR2425676B1 (fr) 1986-02-21
GB2020456B (en) 1982-10-13
GB2020456A (en) 1979-11-14
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AU521915B2 (en) 1982-05-06
AU4564079A (en) 1979-11-15
CH637229A5 (de) 1983-07-15
BR7902718A (pt) 1979-11-27
FR2425676A1 (fr) 1979-12-07
US4207609A (en) 1980-06-10
ES480295A1 (es) 1980-01-01
IT7922196A0 (it) 1979-04-27
CA1116260A (en) 1982-01-12
DE2917441B2 (de) 1981-04-16
JPS5838818B2 (ja) 1983-08-25
SE440960B (sv) 1985-08-26
DE2917441C3 (de) 1982-01-07
JPS54146941A (en) 1979-11-16
DE2917441A1 (de) 1979-11-15

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