CN1130633C - 复制处理器及其异常双态的控制方法 - Google Patents
复制处理器及其异常双态的控制方法 Download PDFInfo
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- CN1130633C CN1130633C CN00121050A CN00121050A CN1130633C CN 1130633 C CN1130633 C CN 1130633C CN 00121050 A CN00121050 A CN 00121050A CN 00121050 A CN00121050 A CN 00121050A CN 1130633 C CN1130633 C CN 1130633C
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000002159 abnormal effect Effects 0.000 title claims description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 45
- 238000012545 processing Methods 0.000 claims description 60
- 230000008859 change Effects 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 10
- 230000010076 replication Effects 0.000 claims description 9
- 230000002547 anomalous effect Effects 0.000 abstract 1
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 4
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- 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
- G06F11/202—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 processing functionality is redundant
- G06F11/2023—Failover techniques
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
Abstract
Description
测试系统:SPARC 10双CPU Unix处理器插接板 x:固定心跳周期:500ms a:平均传输时间:14.7ms b:平均心跳处理时间:1.2ms c:平均状态转换时间:2.8ms (2a+b+c)=33.4ms>|p-x| 在配置文件中, AD.HB.VAR_LIMIT_SEC=0 AD.HB.VAR_LIMIT_USEC=33400 AD.HB.PERIOD_SEC=0 AD.HB.PERIOD_USEC=500000 ... 变量seed:随机籽数 变量hbVatLimit:心跳周期可变化的限制 变量x:固定的心跳周期 变量prevrange:限制内的旧变化范围 变量newrange:限制内新周期上变化的新的可接受范围 <!-- SIPO <DP n="8"> --> <dp n="d8"/> 变量p:新改变的心跳周期 ***上述所有周期相关变量的时间单位是微妙。 /*用于系统初始化的伪代码*/ 将唯一的处理器识别号作为随机籽数并将其分配给一个变量 seed; /*seed=processor_id;*/ 用籽数值初始化随机数生成器; /*randomize(seed);*/ 读取环境变量VAT_LIMIT_USEC并将其存储到一个变量 hbVarLimit; /*hbVarLimit=get_parameter(HB.VAR_LIMIT_USEC);*/ 读取环境变量PERIOD_USEC并将其存储到一个变量x; /*x=get_parameter(HB.PERIOD_USEC);*/ 初始化变量prevrange; /*prevrange=0*/ /*输出心跳处理块中的伪代码*/ { 在hbVarLimit的范围内选择随机数并将其分配给变量newrange; /*newrange=random()%hbVarLimit+1;1~33400*/ 确定newrange的符号; /*newrange*=(random()%2?1:-1);通过将该值除以2,如果余数 为1,它获得正值,而如果余数为0,它获取负值*/ 将新修改的周期分配给变量x; /*p=x-prevrange+newrange;校正前一修改值以给出固定周期内的 变化*/ 取消前一定时程序 /*cancel_time(outgoingTimer_);完成前一定时程序*/ 编制新定时程序以在p毫秒之后执行sendHeartbeatFunction块; /*outgoingTimer=schedule_time(thisObject,sendHeartbeatFunction,0 <!-- SIPO <DP n="9"> --> <dp n="d9"/> ,p;sec=0,usec=p*/ 将newrange存储为prevrange /*prevrange=newrange;*/ }
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR1019990028544A KR100324275B1 (ko) | 1999-07-14 | 1999-07-14 | 이중화된 프로세서의 이중화 상태 제어 방법 |
KR28544/1999 | 1999-07-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1281183A CN1281183A (zh) | 2001-01-24 |
CN1130633C true CN1130633C (zh) | 2003-12-10 |
Family
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Application Number | Title | Priority Date | Filing Date |
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CN00121050A Expired - Fee Related CN1130633C (zh) | 1999-07-14 | 2000-07-14 | 复制处理器及其异常双态的控制方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6829723B1 (zh) |
KR (1) | KR100324275B1 (zh) |
CN (1) | CN1130633C (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100788158B1 (ko) * | 2001-06-29 | 2007-12-21 | 주식회사 케이티 | 네트워크 계층에서 자동 연결구성을 위한 정합장치의 상태천이구조 및 자동 연결방법 |
JP3808874B2 (ja) * | 2004-03-12 | 2006-08-16 | 東芝ソリューション株式会社 | 分散システム及び多重化制御方法 |
US20070220375A1 (en) * | 2006-02-24 | 2007-09-20 | Symbol Technologies, Inc. | Methods and apparatus for a software process monitor |
US20090235083A1 (en) * | 2008-02-20 | 2009-09-17 | Micheal Bleahen | System and method for preventing unauthorized access to information |
US9443068B2 (en) | 2008-02-20 | 2016-09-13 | Micheal Bleahen | System and method for preventing unauthorized access to information |
CN101234018B (zh) * | 2008-02-26 | 2010-07-14 | 中兴通讯股份有限公司 | 心跳检测方法、系统和中央处理单元 |
US8090984B2 (en) * | 2008-12-10 | 2012-01-03 | Freescale Semiconductor, Inc. | Error detection and communication of an error location in multi-processor data processing system having processors operating in Lockstep |
US9002946B2 (en) * | 2010-08-25 | 2015-04-07 | Autodesk, Inc. | Dual modeling environment in which commands are executed concurrently and independently on both a light weight version of a proxy module on a client and a precise version of the proxy module on a server |
EP2487867B1 (de) * | 2011-02-09 | 2014-01-01 | Siemens Aktiengesellschaft | Lebenszeichenüberwachung |
CN109831474B (zh) * | 2018-11-26 | 2021-07-13 | 创新先进技术有限公司 | http长连接的保活系统、方法、服务器及可读存储介质 |
US11003369B1 (en) | 2019-01-14 | 2021-05-11 | Pure Storage, Inc. | Performing a tune-up procedure on a storage device during a boot process |
CN111078267A (zh) * | 2019-12-31 | 2020-04-28 | 深圳市优必选科技股份有限公司 | 一种机器人状态信息更新方法、装置、服务器及存储介质 |
CN115995623A (zh) * | 2023-03-21 | 2023-04-21 | 上海玫克生储能科技有限公司 | 电池管理系统 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2519798B2 (ja) * | 1989-05-30 | 1996-07-31 | 富士通株式会社 | 多重プロセッサシステムにおけるシリアライズ機能の検証方式 |
US5473771A (en) * | 1993-09-01 | 1995-12-05 | At&T Corp. | Fault-tolerant processing system architecture |
US5544077A (en) * | 1994-01-19 | 1996-08-06 | International Business Machines Corporation | High availability data processing system and method using finite state machines |
GB9601585D0 (en) * | 1996-01-26 | 1996-03-27 | Hewlett Packard Co | Fault-tolerant processing method |
GB9601584D0 (en) * | 1996-01-26 | 1996-03-27 | Hewlett Packard Co | Fault-tolerant processing method |
US5848128A (en) * | 1996-02-29 | 1998-12-08 | Lucent Technologies Inc. | Telecommunications call preservation in the presence of control failure |
US6012150A (en) * | 1997-03-27 | 2000-01-04 | International Business Machines Corporation | Apparatus for synchronizing operator initiated commands with a failover process in a distributed processing system |
US6134673A (en) * | 1997-05-13 | 2000-10-17 | Micron Electronics, Inc. | Method for clustering software applications |
US6477663B1 (en) * | 1998-04-09 | 2002-11-05 | Compaq Computer Corporation | Method and apparatus for providing process pair protection for complex applications |
US6266781B1 (en) * | 1998-07-20 | 2001-07-24 | Academia Sinica | Method and apparatus for providing failure detection and recovery with predetermined replication style for distributed applications in a network |
US6427213B1 (en) * | 1998-11-16 | 2002-07-30 | Lucent Technologies Inc. | Apparatus, method and system for file synchronization for a fault tolerate network |
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1999
- 1999-07-14 KR KR1019990028544A patent/KR100324275B1/ko not_active IP Right Cessation
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2000
- 2000-07-12 US US09/614,719 patent/US6829723B1/en not_active Expired - Fee Related
- 2000-07-14 CN CN00121050A patent/CN1130633C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1281183A (zh) | 2001-01-24 |
KR20010009927A (ko) | 2001-02-05 |
US6829723B1 (en) | 2004-12-07 |
KR100324275B1 (ko) | 2002-02-25 |
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