上海联鼎软件技术有限公司
1.8.1 ISCSI 技术简介 ...........................................................................................................13
1.8.2 ISCSI 工作流程 ...........................................................................................................13
1.8.3 技术优势......................................................................................................................13
1.9 64 位技术 .................................................................................................................14
1.10 虚拟化 ......................................................................................................................14
1.10.1 纯软件虚拟化...............................................................................................................14
1.10.2 CPU 虚拟化技术..........................................................................................................15
1.10.3 文件虚拟化 ..................................................................................................................15
1.10.4 存储虚拟化 ..................................................................................................................15
1.10.5 虚拟主机......................................................................................................................16
1.11 刀片服务器 ...............................................................................................................16
1.12 避免系统处理单元单点故障 ......................................................................................16
1.12.1 单机高可用的实现 .......................................................................................................16
1.12.2 通过集群来避免单点故障 ............................................................................................16
1.13 几种类型存储技术介绍 .............................................................................................17
1.13.1 DAS-直接连接存储......................................................................................................17
1.13.2 NAS-网络连接存储......................................................................................................17
1.13.3 SAN-存储区域网络......................................................................................................18
1.13.4 SAS-串行 SCSI 技术...................................................................................................18
2 LanderCluster 概述 .................................................................................20
2.1 LanderCluster 的版本情况 ......................................................................................20
2.2 LanderCluster 的体系结构 ......................................................................................20
2.2.1 执行树模型（Execute Tree Model） ..........................................................................20
2.2.2 执行对象模型 Execute Object Model.........................................................................21
2.2.3 监控对象模型 Monitor Object Model..........................................................................21
2.2.4 事件对象模型 Event Object Model.............................................................................21
2.2.5 集群原理模型 Cluster Elements Model......................................................................21
2.2.6 关键技术......................................................................................................................21
2.3 LanderCluster 集群系统工作原理 ...........................................................................22
2.4 LanderCluster 集群系统监控原理 ...........................................................................22
2.4.1 网络状态监控...............................................................................................................22
2.4.2 应用监控......................................................................................................................22
2.4.3 集群软件运行状态监控 ................................................................................................23
2.4.4 存储子系统监控...........................................................................................................23
2.5 LanderCluster 集群系统的特性...............................................................................23
2.5.1 系统健康与可用性评价体系.........................................................................................23
2.5.2 前瞻预警体系...............................................................................................................23
2.5.3 故障分级处理...............................................................................................................23
2.5.4 深度应用侦测代理（User Application Agent） ...........................................................24
2.5.5 支持虚拟化环境...........................................................................................................24
2.5.6 采用任务提交、确认机制 ............................................................................................24
2.5.7 集群配置安装维护简单................................................................................................24
2.5.8 管理员密码验证...........................................................................................................24
2.5.9 集群软件自身监控功能................................................................................................24
2.5.10 对应用程序的灵活监控功能.........................................................................................24
2.5.11 支持多台服务器集群方式 ............................................................................................25
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