专家技巧：如何控制无止蔓延的虚拟机
从某种程度上来说，虚拟机的蔓延趋势比上个世纪物理服务器的蔓延还要糟糕。至少物理服务器还存在物理局限，比如数据中心的规模和交付的性能对管理员创建的系统数量都有限制。 但在虚拟环境中就没有这个限制，你可以随心所欲的按照自己的需求去创建虚拟机，但
从某种程度上来说，虚拟机的蔓延趋势比上个世纪物理服务器的蔓延还要糟糕。至少物理服务器还存在物理局限，比如数据中心的规模和交付的性能对管理员创建的系统数量都有限制。
但在虚拟环境中就没有这个限制，你可以随心所欲的按照自己的需求去创建虚拟机，但另一方面，你必须加强对虚拟机的监控和管理。
那些在供应，监控和管理物理服务器方面具备专业经验的公司也开始关注虚拟机或逻辑服务器。通常只研发自己的系统管理工具的服务器制造商现在也开始将触角延伸至虚拟机和逻辑分区领域。
本文不是对所有可用工具的详尽调研报告，而是对最近推出的产品进行更新盘点。
Avocent是供应数据中心远程管理KVM交换机的知名厂商，目前他们也推出了远程系统管理应用软件和IT管理软件产品。其中最重要的产品是DSView 3.
2007年，这款物理服务器管理工具的应用范围扩展到对在VMware ESX Server 3.01分区上运行的虚拟机管理，随后又升级为对ESX Server 3.5分区的管理。今年5月这款产品进一步得到改进，新增了能量管理插件来监控物理机和机架内相关能量分配单元的能耗情况。
最新推出的DSView 3.7工具目前能够管理在思杰系统公司的开源管理程序XenServer顶部运行的虚拟机。DSView还能支持XenServer 4.1或者XenServer的标准版，企业版和白金版的更高规格。
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