一种高可用性冗余集群的关键技术及可信性分析  

Some key technologies of deploying high availability redundant cluster system and dependability analysis

作　　者：郝丽蕊[1] 薛弘晔[2] 陈艳[1] 

机构地区：[1]桂林航天工业高等专科学校计算机系,广西桂林541004 [2]西安科技大学计算机系,西安710065

出　　处：《计算机应用》2009年第2期611-613,617,共4页journal of Computer Applications

基　　金：国家科技部创新基金资助项目(01c26226111003);桂林航天工业高等专科学校科研资助项目

摘　　要：介绍了高可用性冗余集群系统的一些关键技术,提出了一种基于任务表的自适应容错算法,对算法的设计思想和具体实现进行了详细阐述。最后建立了系统随机Petri-net模型,对系统进行可信性分析,经计算分析表明系统满足实际高可用性要求。Some key technologies for deploying high availability cluster system were discussed in this paper.An adaptive fault-tolerance method based on task table was presented.The designing idea of the adaptive fault-tolerance algorithm and the implementation of the algorithm were described in detail.Finally,the dependability model with Petri-net was also presented.According to the dependability analysis of the high availability cluster,it shows that the cluster system in this paper has high availability to be used ...

关 键 词：任务分配表 高可用集群 任务迁移 Petri-net模型 k/n表决冗余系统 可信性 

分 类 号：TP338[自动化与计算机技术—计算机系统结构]