DK138687D0 - Cpu-kanal til styreenhed-extender - Google Patents

Cpu-kanal til styreenhed-extender

Info

Publication number
DK138687D0
DK138687D0 DK138687A DK138687A DK138687D0 DK 138687 D0 DK138687 D0 DK 138687D0 DK 138687 A DK138687 A DK 138687A DK 138687 A DK138687 A DK 138687A DK 138687 D0 DK138687 D0 DK 138687D0
Authority
DK
Denmark
Prior art keywords
control unit
cpu channel
unit extender
extender
cpu
Prior art date
Application number
DK138687A
Other languages
English (en)
Other versions
DK138687A (da
Inventor
Billy B Waldron
Ernest H Wilson
Paul Yursis
James B Klingensmith
Mathew Harris
Original Assignee
Channelnet 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 Channelnet Corp filed Critical Channelnet Corp
Publication of DK138687D0 publication Critical patent/DK138687D0/da
Publication of DK138687A publication Critical patent/DK138687A/da

Links

Classifications

    • 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
    • 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
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1415—Saving, restoring, recovering or retrying at system level
    • G06F11/1443—Transmit or communication errors
    • 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
    • G06F11/0703—Error 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
    • G06F11/0751—Error or fault detection not based on redundancy
    • G06F11/0754—Error or fault detection not based on redundancy by exceeding limits
    • G06F11/076—Error or fault detection not based on redundancy by exceeding limits by exceeding a count or rate limit, e.g. word- or bit count limit
    • 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
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Communication Control (AREA)
  • Bidirectional Digital Transmission (AREA)
DK138687A 1986-03-20 1987-03-18 Cpu-kanal til styreenhed-extender DK138687A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84180986A 1986-03-20 1986-03-20

Publications (2)

Publication Number Publication Date
DK138687D0 true DK138687D0 (da) 1987-03-18
DK138687A DK138687A (da) 1987-09-21

Family

ID=25285739

Family Applications (1)

Application Number Title Priority Date Filing Date
DK138687A DK138687A (da) 1986-03-20 1987-03-18 Cpu-kanal til styreenhed-extender

Country Status (5)

Country Link
EP (1) EP0239323A3 (da)
JP (1) JPS6324342A (da)
CA (1) CA1278389C (da)
DK (1) DK138687A (da)
NO (1) NO871109L (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5155845A (en) * 1990-06-15 1992-10-13 Storage Technology Corporation Data storage system for providing redundant copies of data on different disk drives
US5544347A (en) 1990-09-24 1996-08-06 Emc Corporation Data storage system controlled remote data mirroring with respectively maintained data indices
GB2290929A (en) * 1994-06-21 1996-01-10 Richard John Hocking Facsimile interface apparatus
KR0138404B1 (ko) * 1995-07-31 1998-06-01 전성원 캡 에어 서스팬션용 레벨링 밸브
US6052797A (en) 1996-05-28 2000-04-18 Emc Corporation Remotely mirrored data storage system with a count indicative of data consistency
US6044444A (en) 1996-05-28 2000-03-28 Emc Corporation Remote data mirroring having preselection of automatic recovery or intervention required when a disruption is detected

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4404672A (en) * 1980-03-28 1983-09-13 Nippon Electric Co., Ltd. Subscriber terminal for use in a time shared bidirectional digital communication network
US4482951A (en) * 1981-11-12 1984-11-13 Hughes Aircraft Company Direct memory access method for use with a multiplexed data bus

Also Published As

Publication number Publication date
NO871109L (no) 1987-09-21
JPS6324342A (ja) 1988-02-01
DK138687A (da) 1987-09-21
NO871109D0 (no) 1987-03-18
CA1278389C (en) 1990-12-27
EP0239323A3 (en) 1990-01-31
EP0239323A2 (en) 1987-09-30

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment