BEPCⅡ中央计算机控制系统采用双机热备系统,它是由两台SUN Fire V880服务器和一台Sun Stor Edge 3310磁盘阵列组成,安装双机热备软件Sun Cluster 3.1和Sun Cluster HA for Network File System (NFS)数据服务软件。本文主要介绍商业的...BEPCⅡ中央计算机控制系统采用双机热备系统,它是由两台SUN Fire V880服务器和一台Sun Stor Edge 3310磁盘阵列组成,安装双机热备软件Sun Cluster 3.1和Sun Cluster HA for Network File System (NFS)数据服务软件。本文主要介绍商业的双机热备软件和流行的NFS计算机技术在BEPCⅡ中央计算机控制系统中的实现方法和应用。展开更多
In order to improve the reliability of an electronic or a computer system,redundant components always need to be added as part of the system.When an active component fails,a standby component will be activated to guar...In order to improve the reliability of an electronic or a computer system,redundant components always need to be added as part of the system.When an active component fails,a standby component will be activated to guarantee the system in operation continuously.The standby component and the switching device have been usually assumed to be continuously functional during the setup of the reliability model.In fact,it is these two assumptions that induce deviations during modeling and introduce variances for the system reliability design.Through modeling and optimizing the dependability of the synchronous clock system that decomposed from a multi-node system,a new reliability model which takes these two elements into consideration has been developed.Simulation results demonstrate that the upgraded reliability model is closer to the actual dependability of the real system.The capability of the system reliability design is also improved as a result.展开更多
文摘BEPCⅡ中央计算机控制系统采用双机热备系统,它是由两台SUN Fire V880服务器和一台Sun Stor Edge 3310磁盘阵列组成,安装双机热备软件Sun Cluster 3.1和Sun Cluster HA for Network File System (NFS)数据服务软件。本文主要介绍商业的双机热备软件和流行的NFS计算机技术在BEPCⅡ中央计算机控制系统中的实现方法和应用。
文摘In order to improve the reliability of an electronic or a computer system,redundant components always need to be added as part of the system.When an active component fails,a standby component will be activated to guarantee the system in operation continuously.The standby component and the switching device have been usually assumed to be continuously functional during the setup of the reliability model.In fact,it is these two assumptions that induce deviations during modeling and introduce variances for the system reliability design.Through modeling and optimizing the dependability of the synchronous clock system that decomposed from a multi-node system,a new reliability model which takes these two elements into consideration has been developed.Simulation results demonstrate that the upgraded reliability model is closer to the actual dependability of the real system.The capability of the system reliability design is also improved as a result.
