Supporting cloud computing with the virtual block store system

Xiaoming Gao, Mike Lowe, Yu Ma, M. Pierce
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引用次数: 14

Abstract

The fast development of cloud computing systems stimulates the needs for a standalone block storage system to provide persistent block storage services to virtual machines maintained by clouds. This paper presents the Virtual Block Store (VBS) System, a standalone block storage system built on the basis of LVM, iSCSI, and Xen hypervisor, which can provide basic block storage services such as volume creation and attachment. The concept and functional interface of VBS are based on Amazon Elastic Block Store (EBS) service; moreover, VBS works independently with an existing LVM volume server and Xen nodes, and thus can be easily extended to support other types of volume servers and virtual machine managers, or integrated with various cloud computing systems. Preliminary I/O benchmark results are presented and analyzed, indicating that a VBS volume can provide throughput that is similar to an ATA over Ethernet virtual device.
通过虚拟块存储系统支持云计算
云计算系统的快速发展刺激了对独立块存储系统的需求,以便为云维护的虚拟机提供持久的块存储服务。VBS (Virtual Block Store)系统是基于LVM、iSCSI和Xen虚拟化环境构建的独立的块存储系统,能够提供基本的块存储服务,如创建卷、挂载卷等。VBS的概念和功能接口是基于Amazon的EBS (Elastic Block Store)服务;此外,VBS可以与现有的LVM卷服务器和Xen节点独立工作,因此可以很容易地扩展到支持其他类型的卷服务器和虚拟机管理器,或者与各种云计算系统集成。本文给出并分析了初步的I/O基准测试结果,表明VBS卷可以提供与以太网虚拟设备上的ATA类似的吞吐量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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