IT7922196A0 - 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.

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Publication number
IT7922196A0
IT7922196A0 IT7922196A IT2219679A IT7922196A0 IT 7922196 A0 IT7922196 A0 IT 7922196A0 IT 7922196 A IT7922196 A IT 7922196A IT 2219679 A IT2219679 A IT 2219679A IT 7922196 A0 IT7922196 A0 IT 7922196A0
Authority
IT
Italy
Prior art keywords
equipment
connection
different paths
cpu devices
subsequent reconnection
Prior art date
Application number
IT7922196A
Other languages
English (en)
Other versions
IT1166776B (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.)
Filing date
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
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 true IT7922196A0 (it) 1979-04-27
IT1166776B 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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AU4564079A (en) 1979-11-15
BR7902718A (pt) 1979-11-27
GB2020456B (en) 1982-10-13
CH637229A5 (de) 1983-07-15
SE440960B (sv) 1985-08-26
GB2020456A (en) 1979-11-14
ES480295A1 (es) 1980-01-01
DE2917441C3 (de) 1982-01-07
SE7903939L (sv) 1979-11-09
FR2425676A1 (fr) 1979-12-07
AU521915B2 (en) 1982-05-06
JPS54146941A (en) 1979-11-16
DE2917441A1 (de) 1979-11-15
CA1116260A (en) 1982-01-12
IT1166776B (it) 1987-05-06
NL7903614A (nl) 1979-11-12
FR2425676B1 (fr) 1986-02-21
US4207609A (en) 1980-06-10
DE2917441B2 (de) 1981-04-16
JPS5838818B2 (ja) 1983-08-25

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