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System-level virtualization research at Oak Ridge National Laboratory

机译：Oak Ridge国家实验室的系统级虚拟化研究

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System-level virtualization is today enjoying a rebirth as a technique to effectively share what had been considered large computing resources which subsequently faded from the spotlight as individual workstations gained in popularity with a "one machine-one user" approach. One reason for this resurgence is that the simple workstation has grown in capability to rival anything similar, available in the past. Thus, computing centers are again looking at the price/performance benefit of sharing that single computing box via server consolidation.rnHowever, industry is only concentrating on the benefits of using virtualization for server consolidation (enterprise computing) whereas our interest is in leveraging virtualization to advance high-performance computing (HPC). While these two interests may appear to be orthogonal, one consolidating multiple applications and users on a single machine while the other requires all the power from many machines to be dedicated solely to its purpose, we propose that virtualization does provide attractive capabilities that may be exploited to the benefit of HPC interests. This does raise the two fundamental questions: is the concept of virtualization (a machine "sharing" technology) really suitable for HPC and if so, how does one go about leveraging these virtualization capabilities for the benefit of HPC.rnTo address these questions, this document presents ongoing studies on the usage of system-level virtualization in a HPC context. These studies include an analysis of the benefits of system-level virtualization for HPC, a presentation of research efforts based on virtualization for system availability, and a presentation of research efforts for the management of virtual systems. The basis for this document was the material presented by Stephen L. Scott at the Collaborative and Grid Computing Technologies meeting held in Cancun, Mexico on April 12-14, 2007.
机译：今天，系统级虚拟化正在重生，因为它是一种有效地共享被认为是大型计算资源的技术，随着个人工作站以“一机一用户”的方式逐渐流行起来，这种资源后来逐渐受到关注。这种复兴的一个原因是，简单的工作站已经具有与过去可用的任何同类产品相匹敌的能力。因此，计算中心再次考虑通过服务器整合共享单个计算盒的价格/性能优势。然而，业界只集中在使用虚拟化进行服务器整合（企业计算）的优势上，而我们的兴趣是利用虚拟化来实现推进高性能计算（HPC）。虽然这两个兴趣似乎是正交的，但一个兴趣将一台机器上的多个应用程序和用户整合在一起，而另一个兴趣则需要将来自许多机器的所有功能专用于其目的，我们建议虚拟化确实提供可被利用的有吸引力的功能。为了HPC利益。这确实提出了两个基本问题：虚拟化（一种计算机“共享”技术）的概念是否真正适用于HPC；如果是，那么如何利用这些虚拟化功能为HPC带来好处。该文档介绍了有关在HPC环境中使用系统级虚拟化的持续研究。这些研究包括对HPC系统级虚拟化的好处的分析，基于虚拟化的系统可用性研究成果的介绍以及虚拟系统管理的研究成果的介绍。该文档的基础是Stephen L.Scott在2007年4月12日至14日在墨西哥坎昆举行的协作和网格计算技术会议上介绍的材料。

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