JPS5632720B2 - - Google Patents

Info

Publication number: JPS5632720B2
Authority: JP; Japan
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

Application number

JP3919876A

Other versions

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.)

1976-04-09

Filing date

1976-04-09

Publication date

1981-07-29

1976-04-09 Application filed filed Critical

1976-04-09 Priority to JP3919876A priority Critical patent/JPS52123137A/ja

1977-10-17 Publication of JPS52123137A publication Critical patent/JPS52123137A/ja

1981-07-29 Publication of JPS5632720B2 publication Critical patent/JPS5632720B2/ja

1983-04-14 Priority to US06/485,020 priority patent/US4486834A/en

Status Granted 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
- G06F11/20—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
- G06F11/2056—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 by mirroring
- G06F11/2082—Data synchronisation
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/26—Functional testing
- 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
- G06F15/163—Interprocessor communication
- G06F15/167—Interprocessor communication using a common memory, e.g. mailbox
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/70—Masking faults in memories by using spares or by reconfiguring
- G11C29/74—Masking faults in memories by using spares or by reconfiguring using duplex memories, i.e. using dual copies
- 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
- G06F11/2056—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 by mirroring
- G06F11/2064—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 by mirroring while ensuring consistency

Landscapes

Engineering & Computer Science (AREA)
Theoretical Computer Science (AREA)
General Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Computer Hardware Design (AREA)
Quality & Reliability (AREA)
Software Systems (AREA)
Hardware Redundancy (AREA)
Techniques For Improving Reliability Of Storages (AREA)

JP3919876A 1976-04-09 1976-04-09 Duplication memory control unit Granted JPS52123137A (en)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
JP3919876A JPS52123137A (en)	1976-04-09	1976-04-09	Duplication memory control unit
US06/485,020 US4486834A (en)	1976-04-09	1983-04-14	Multi-computer system having dual common memory

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP3919876A JPS52123137A (en)	1976-04-09	1976-04-09	Duplication memory control unit

Publications (2)

Publication Number	Publication Date
JPS52123137A JPS52123137A (en)	1977-10-17
JPS5632720B2 true JPS5632720B2 (ja)	1981-07-29

Family

ID=12546413

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP3919876A Granted JPS52123137A (en)	1976-04-09	1976-04-09	Duplication memory control unit

Country Status (2)

Country	Link
US (1)	US4486834A (ja)
JP (1)	JPS52123137A (ja)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5914062A (ja) *	1982-07-15	1984-01-24	Hitachi Ltd	二重化共有メモリ制御方法
JPS62206658A (ja) *	1986-03-07	1987-09-11	Hitachi Ltd	記憶管理装置
US4774660A (en) *	1987-02-20	1988-09-27	Gte Communication Systems Corporation	Increased bandwidth for multi-processor access of a common resource
JPS6419458A (en) *	1987-07-15	1989-01-23	Hitachi Ltd	Distributed shared memory device
JPH0831061B2 (ja) *	1987-07-24	1996-03-27	株式会社日立製作所	バツフア制御方式
EP0457308B1 (en) *	1990-05-18	1997-01-22	Fujitsu Limited	Data processing system having an input/output path disconnecting mechanism and method for controlling the data processing system
EP0476962B1 (en) *	1990-09-18	1998-08-12	Fujitsu Limited	System for configuring a shared storage
US5909541A (en) *	1993-07-14	1999-06-01	Honeywell Inc.	Error detection and correction for data stored across multiple byte-wide memory devices
US5513351A (en) *	1994-07-28	1996-04-30	International Business Machines Corporation	Protecting a system during system maintenance by usage of temporary filenames in an alias table
US6675277B2 (en)	2000-07-26	2004-01-06	Tns Holdings, Inc.	Method and apparatus for demand usable adapter memory access management
US20020029334A1 (en) *	2000-07-26	2002-03-07	West Karlon K.	High availability shared memory system
US6892298B2 (en)	2000-07-26	2005-05-10	Times N Systems, Inc.	Load/store micropacket handling system
US6665777B2 (en)	2000-07-26	2003-12-16	Tns Holdings, Inc.	Method, apparatus, network, and kit for multiple block sequential memory management
US6715059B2 (en)	2000-07-26	2004-03-30	Tas Holdings, Inc.	Methods and systems for a shared memory unit with extendable functions
US20020013822A1 (en) *	2000-07-26	2002-01-31	West Karlon K.	Shared as needed programming model
US6782440B2 (en)	2000-07-26	2004-08-24	T.N.S. Holdings, Inc.	Resource locking and thread synchronization in a multiprocessor environment
KR100546403B1 (ko) *	2004-02-19	2006-01-26	삼성전자주식회사	감소된 메모리 버스 점유 시간을 가지는 시리얼 플레쉬메모리 컨트롤러
FR3126249B1 (fr) *	2021-08-18	2023-07-07	Continental Automotive	Procédé, dispositif et système d’autorisation d’accès à un véhicule partagé

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3866182A (en) *	1968-10-17	1975-02-11	Fujitsu Ltd	System for transferring information between memory banks
US3668644A (en) *	1970-02-09	1972-06-06	Burroughs Corp	Failsafe memory system
US3676851A (en) *	1970-03-31	1972-07-11	Ibm	Information retrieval system and method
GB1472885A (en) *	1974-05-01	1977-05-11	Int Computers Ltd	Digital code conversion arrangements
US4228496A (en) *	1976-09-07	1980-10-14	Tandem Computers Incorporated	Multiprocessor system

1976
- 1976-04-09 JP JP3919876A patent/JPS52123137A/ja active Granted
1983
- 1983-04-14 US US06/485,020 patent/US4486834A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
JPS52123137A (en)	1977-10-17
US4486834A (en)	1984-12-04

Publication	Publication Date	Title
FR2362768B2 (ja)	1984-05-25
JPS5632720B2 (ja)	1981-07-29
DE2654709C3 (ja)	1987-07-09
FR2372777B3 (ja)	1980-10-17
JPS5538154B2 (ja)	1980-10-02
JPS5538625B2 (ja)	1980-10-06
FR2345603B1 (ja)	1978-09-01
JPS5731143B2 (ja)	1982-07-02
JPS541563U (ja)	1979-01-08
JPS5715900Y2 (ja)	1982-04-02
JPS52139505U (ja)	1977-10-22
JPS5377229U (ja)	1978-06-27
JPS5377484U (ja)	1978-06-28
JPS5312965U (ja)	1978-02-02
JPS52154263U (ja)	1977-11-22
JPS52130782U (ja)	1977-10-04
CH614960A5 (ja)	1979-12-28
CH599480A5 (ja)	1978-05-31
DD123696A1 (ja)	1977-01-12
DD123652A1 (ja)	1977-01-12
CH604517A5 (ja)	1978-09-15
DD123079A1 (ja)	1976-11-20
CH615019A5 (ja)	1979-12-28
CH604063A5 (ja)	1978-08-31
DD123951A1 (ja)	1977-01-26