DE3275595D1 - Digital data processor with fault-tolerant bus protocol - Google Patents
Digital data processor with fault-tolerant bus protocolInfo
- Publication number
- DE3275595D1 DE3275595D1 DE8282305219T DE3275595T DE3275595D1 DE 3275595 D1 DE3275595 D1 DE 3275595D1 DE 8282305219 T DE8282305219 T DE 8282305219T DE 3275595 T DE3275595 T DE 3275595T DE 3275595 D1 DE3275595 D1 DE 3275595D1
- Authority
- DE
- Germany
- Prior art keywords
- units
- fault
- unit
- bus structure
- free
- 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
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
- G06F11/1608—Error detection by comparing the output signals of redundant hardware
- G06F11/1625—Error detection by comparing the output signals of redundant hardware in communications, e.g. transmission, interfaces
-
- 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
-
- 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
- G06F11/1604—Error detection or correction of the data by redundancy in hardware where the fault affects the clock signals of a processing unit and the redundancy is at or within the level of clock signal generation hardware
-
- 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
- G06F11/16—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
-
- 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
- G06F11/2017—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 memory access, memory control or I/O control functionality is redundant
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
-
- 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
-
- 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
- G06F11/1666—Error detection or correction of the data by redundancy in hardware where the redundant component is memory or memory area
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US30743681A | 1981-10-01 | 1981-10-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3275595D1 true DE3275595D1 (en) | 1987-04-09 |
Family
ID=23189765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8282305219T Expired DE3275595D1 (en) | 1981-10-01 | 1982-09-30 | Digital data processor with fault-tolerant bus protocol |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4750177A (de) |
| EP (1) | EP0077153B1 (de) |
| JP (1) | JPH0812621B2 (de) |
| AT (1) | ATE25779T1 (de) |
| CA (1) | CA1180453A (de) |
| DE (1) | DE3275595D1 (de) |
Families Citing this family (73)
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|---|---|---|---|---|
| US5020024A (en) * | 1987-01-16 | 1991-05-28 | Stratus Computer, Inc. | Method and apparatus for detecting selected absence of digital logic synchronism |
| US4903194A (en) * | 1987-11-12 | 1990-02-20 | International Business Machines Corporation | Storage addressing error detection circuitry |
| US5084816A (en) * | 1987-11-25 | 1992-01-28 | Bell Communications Research, Inc. | Real time fault tolerant transaction processing system |
| US5337411A (en) * | 1988-10-20 | 1994-08-09 | Westinghouse Electric Corporation | Multi-processor computer system bus architecture |
| US5089958A (en) * | 1989-01-23 | 1992-02-18 | Vortex Systems, Inc. | Fault tolerant computer backup system |
| US5325517A (en) * | 1989-05-17 | 1994-06-28 | International Business Machines Corporation | Fault tolerant data processing system |
| US5113522A (en) * | 1989-05-17 | 1992-05-12 | International Business Machines Corporation | Data processing system with system resource management for itself and for an associated alien processor |
| US5369767A (en) * | 1989-05-17 | 1994-11-29 | International Business Machines Corp. | Servicing interrupt requests in a data processing system without using the services of an operating system |
| US5144692A (en) * | 1989-05-17 | 1992-09-01 | International Business Machines Corporation | System for controlling access by first system to portion of main memory dedicated exclusively to second system to facilitate input/output processing via first system |
| US5283868A (en) * | 1989-05-17 | 1994-02-01 | International Business Machines Corp. | Providing additional system characteristics to a data processing system through operations of an application program, transparently to the operating system |
| US5369749A (en) * | 1989-05-17 | 1994-11-29 | Ibm Corporation | Method and apparatus for the direct transfer of information between application programs running on distinct processors without utilizing the services of one or both operating systems |
| US5155809A (en) * | 1989-05-17 | 1992-10-13 | International Business Machines Corp. | Uncoupling a central processing unit from its associated hardware for interaction with data handling apparatus alien to the operating system controlling said unit and hardware |
| US5109493A (en) * | 1989-06-30 | 1992-04-28 | Poget Computer Corp. | Structure and method for tying down an unused multi-user bus |
| JP3118266B2 (ja) * | 1990-03-06 | 2000-12-18 | ゼロックス コーポレイション | 同期セグメントバスとバス通信方法 |
| US5335234A (en) * | 1990-06-19 | 1994-08-02 | Dell Usa, L.P. | Error correction code pipeline for interleaved memory system |
| JP2839664B2 (ja) * | 1990-07-17 | 1998-12-16 | 株式会社東芝 | 計算機システム |
| US5153884A (en) * | 1990-08-15 | 1992-10-06 | Allen-Bradley Company, Inc. | Intelligent network interface circuit |
| US5289589A (en) * | 1990-09-10 | 1994-02-22 | International Business Machines Corporation | Automated storage library having redundant SCSI bus system |
| US5337414A (en) * | 1992-09-22 | 1994-08-09 | Unisys Corporation | Mass data storage and retrieval system |
| JPH0760395B2 (ja) * | 1992-11-06 | 1995-06-28 | 日本電気株式会社 | フォールトトレラントコンピュータシステム |
| US5687391A (en) * | 1992-12-11 | 1997-11-11 | Vibrametrics, Inc. | Fault tolerant multipoint control and data collection system |
| JPH06259343A (ja) * | 1993-03-10 | 1994-09-16 | Hitachi Ltd | 多重バス制御方式及びそれを用いたシステム |
| US5515507A (en) * | 1993-12-23 | 1996-05-07 | Unisys Corporation | Multiple width data bus for a microsequencer bus controller system |
| US5838899A (en) * | 1994-09-20 | 1998-11-17 | Stratus Computer | Digital data processing methods and apparatus for fault isolation |
| US5630056A (en) * | 1994-09-20 | 1997-05-13 | Stratus Computer, Inc. | Digital data processing methods and apparatus for fault detection and fault tolerance |
| US5835953A (en) | 1994-10-13 | 1998-11-10 | Vinca Corporation | Backup system that takes a snapshot of the locations in a mass storage device that has been identified for updating prior to updating |
| US5649152A (en) | 1994-10-13 | 1997-07-15 | Vinca Corporation | Method and system for providing a static snapshot of data stored on a mass storage system |
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| US5931938A (en) * | 1996-12-12 | 1999-08-03 | Sun Microsystems, Inc. | Multiprocessor computer having configurable hardware system domains |
| US6289022B1 (en) * | 1997-10-21 | 2001-09-11 | The Foxboro Company | Methods and systems for fault-tolerant data transmission |
| EP0920154B1 (de) * | 1997-11-24 | 2004-11-03 | STMicroelectronics GmbH | Verfahren und Schaltungsanordnung zur selektiven digitalen seriellen Übertragung |
| JPH11184806A (ja) * | 1997-12-18 | 1999-07-09 | Fujitsu Ltd | バス制御装置 |
| DE19815263C2 (de) * | 1998-04-04 | 2002-03-28 | Astrium Gmbh | Vorrichtung zur fehlertoleranten Ausführung von Programmen |
| US6691257B1 (en) | 2000-04-13 | 2004-02-10 | Stratus Technologies Bermuda Ltd. | Fault-tolerant maintenance bus protocol and method for using the same |
| US6820213B1 (en) | 2000-04-13 | 2004-11-16 | Stratus Technologies Bermuda, Ltd. | Fault-tolerant computer system with voter delay buffer |
| US6687851B1 (en) | 2000-04-13 | 2004-02-03 | Stratus Technologies Bermuda Ltd. | Method and system for upgrading fault-tolerant systems |
| US6708283B1 (en) | 2000-04-13 | 2004-03-16 | Stratus Technologies, Bermuda Ltd. | System and method for operating a system with redundant peripheral bus controllers |
| US6633996B1 (en) | 2000-04-13 | 2003-10-14 | Stratus Technologies Bermuda Ltd. | Fault-tolerant maintenance bus architecture |
| 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 |
| US6766479B2 (en) | 2001-02-28 | 2004-07-20 | Stratus Technologies Bermuda, Ltd. | Apparatus and methods for identifying bus protocol violations |
| US7065672B2 (en) | 2001-03-28 | 2006-06-20 | Stratus Technologies Bermuda Ltd. | Apparatus and methods for fault-tolerant computing using a switching fabric |
| US6928583B2 (en) * | 2001-04-11 | 2005-08-09 | Stratus Technologies Bermuda Ltd. | Apparatus and method for two computing elements in a fault-tolerant server to execute instructions in lockstep |
| US6996750B2 (en) * | 2001-05-31 | 2006-02-07 | Stratus Technologies Bermuda Ltd. | Methods and apparatus for computer bus error termination |
| US7124331B2 (en) * | 2002-05-14 | 2006-10-17 | Sun Microsystems, Inc. | Method and apparatus for providing fault-tolerance for temporary results within a CPU |
| US7003691B2 (en) * | 2002-06-28 | 2006-02-21 | Hewlett-Packard Development Company, L.P. | Method and apparatus for seeding differences in lock-stepped processors |
| US7155721B2 (en) * | 2002-06-28 | 2006-12-26 | Hewlett-Packard Development Company, L.P. | Method and apparatus for communicating information between lock stepped processors |
| US7080288B2 (en) * | 2003-04-28 | 2006-07-18 | International Business Machines Corporation | Method and apparatus for interface failure survivability using error correction |
| US7239581B2 (en) | 2004-08-24 | 2007-07-03 | Symantec Operating Corporation | Systems and methods for synchronizing the internal clocks of a plurality of processor modules |
| US7577807B2 (en) | 2003-09-23 | 2009-08-18 | Symantec Operating Corporation | Methods and devices for restoring a portion of a data store |
| US7631120B2 (en) | 2004-08-24 | 2009-12-08 | Symantec Operating Corporation | Methods and apparatus for optimally selecting a storage buffer for the storage of data |
| US7730222B2 (en) | 2004-08-24 | 2010-06-01 | Symantec Operating System | Processing storage-related I/O requests using binary tree data structures |
| US7296008B2 (en) | 2004-08-24 | 2007-11-13 | Symantec Operating Corporation | Generation and use of a time map for accessing a prior image of a storage device |
| US7287133B2 (en) | 2004-08-24 | 2007-10-23 | Symantec Operating Corporation | Systems and methods for providing a modification history for a location within a data store |
| US7904428B2 (en) | 2003-09-23 | 2011-03-08 | Symantec Corporation | Methods and apparatus for recording write requests directed to a data store |
| US7577806B2 (en) | 2003-09-23 | 2009-08-18 | Symantec Operating Corporation | Systems and methods for time dependent data storage and recovery |
| US7725760B2 (en) | 2003-09-23 | 2010-05-25 | Symantec Operating Corporation | Data storage system |
| US7827362B2 (en) | 2004-08-24 | 2010-11-02 | Symantec Corporation | Systems, apparatus, and methods for processing I/O requests |
| US7409587B2 (en) | 2004-08-24 | 2008-08-05 | Symantec Operating Corporation | Recovering from storage transaction failures using checkpoints |
| US7991748B2 (en) | 2003-09-23 | 2011-08-02 | Symantec Corporation | Virtual data store creation and use |
| WO2007047346A2 (en) | 2005-10-14 | 2007-04-26 | Symantec Operating Corporation | Technique for timeline compression in a data store |
| JP5233415B2 (ja) * | 2008-05-29 | 2013-07-10 | 富士通株式会社 | エラー特定方法、データ処理装置、及び半導体装置 |
| US9178757B2 (en) * | 2013-12-31 | 2015-11-03 | General Electric Company | Serial link fault detection system and method |
| US9604585B2 (en) | 2014-07-11 | 2017-03-28 | Ford Global Technologies, Llc | Failure management in a vehicle |
| EP3218826A4 (de) | 2014-11-13 | 2018-04-11 | Virtual Software Systems, Inc. | System für host-übergreifende multithread-sitzungsausrichtung |
| US11036581B2 (en) | 2019-08-08 | 2021-06-15 | Apple Inc. | Non-volatile memory control circuit with parallel error detection and correction |
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-
1982
- 1982-09-30 JP JP57169959A patent/JPH0812621B2/ja not_active Expired - Lifetime
- 1982-09-30 DE DE8282305219T patent/DE3275595D1/de not_active Expired
- 1982-09-30 EP EP82305219A patent/EP0077153B1/de not_active Expired
- 1982-09-30 AT AT82305219T patent/ATE25779T1/de not_active IP Right Cessation
- 1982-10-01 CA CA000412672A patent/CA1180453A/en not_active Expired
-
1986
- 1986-09-08 US US06/904,827 patent/US4750177A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58137056A (ja) | 1983-08-15 |
| US4750177A (en) | 1988-06-07 |
| EP0077153A1 (de) | 1983-04-20 |
| CA1180453A (en) | 1985-01-02 |
| ATE25779T1 (de) | 1987-03-15 |
| JPH0812621B2 (ja) | 1996-02-07 |
| EP0077153B1 (de) | 1987-03-04 |
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