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菜鸟必看:详解Exchange 2003 群集特性

更新时间:2026-08-22 00:52:43 | 编辑:淡忘 | 信息来源:互联网

  简单而言,Exchange server可以被用来构架应用于企业、学校的邮件系统甚至于象sohu或sina那样的免费邮件系统。 它在群集方面有了很多改进,其中包括支持、性能和安全方面的改进。下列小编就为大家介绍一些重要的 Exchange 2003 群集功能:

  1、支持多达八个节点的群集 使用 Windows Server 2003 企业版或 Windows Server 2003 Datacenter 版时,Exchange 可支持多达八个节点的主动/被动群集。

  2、支持卷装入点 使用 Windows Server 2003 企业版或 Windows Server 2003 Datacenter 版时,Exchange 支持使用卷装入点。

  3、提高故障转移性能 Exchange 减少了服务器故障转移到新节点所用的时间,从而提高了群集性能。

  4、提高安全性 Exchange 群集服务器现在变得更为安全。例如,Exchange 2003 中的权限模型已经改变,默认情况下会启用 Kerberos 身份验证协议。

  改条件进先决检查 Exchange 执行更多的先决条件检查,以帮助确保正确部署和配置群集服务器。

  支持多达八个节点的群集

  Exchange 2003 引入了对八个节点的 Exchange 群集的支持,从而增强了群集功能。仅当运行 Windows Server 2003 企业版或 Windows Server 2003 Datacenter 版时,才支持八个节点的群集。对具有三个或更多节点的群集的另一个要求是,至少有一个节点必须是被动的。有关基于 Windows 和 Exchange 版本支持的群集配置的完整详细信息,请参阅了解 Exchange Server 2003 群集中的“Windows 和Exchange版本要求”。

  支持卷装入点

  现在,如果群集节点运行的是 Window Server 2003 企业版或 Windows Server 2003 Datacenter 版,则共享磁盘支持卷装入点。卷装入点是固定地指向指定磁盘卷的目录。(例如,可以将 C:\Data 配置为指向某个磁盘卷。)使用装入点,就无需将每个磁盘卷与一个驱动器号关联,因此超越了 26 个驱动器号的限制。

  提高故障转移性能

  对于 Exchange 2003 中的群集,一个节点故障转移到另一个节点所用的时间减少了,因此提高了总体性能。以下各部分介绍故障转移时间的改进。

  改进 Exchange 服务的相关性层次结构

  为了减少服务器故障转移所需的时间,Exchange 2003改进了 Exchange 服务的相关性层次结构。具体地说,在 Exchange 2000 中,Exchange 协议服务依赖于 Microsoft Exchange Information Store 服务。而在 Exchange 2003 中,这些服务依赖于 Microsoft Exchange 系统助理服务。

  

 Exchange 2000 中的 Exchange 相关性层次结构


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