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基于重复数据删除的虚拟桌面存储优化技术 被引量:12

Deduplication Based Storage Optimization Technique for Virtual Desktop
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摘要 虚拟桌面基础架构依靠数据中心海量的云基础设施,为用户按需提供虚拟桌面部署所需的软硬件资源,但同时面临存储资源利用率低和虚拟机启动慢的困境.针对虚拟桌面存储中具有大量数据冗余的特性,采用重复数据删除技术缩减虚拟桌面基础架构的存储空间需求;并利用服务器本地磁盘缓存以及共享存储池内的固态硬盘来优化虚拟机的启动性能.通过原型实现,发现相比于基于内容分块的策略,静态分块策略更适合虚拟桌面存储进行重复数据删除,最优的分块大小为4KB,并能够缩减85%的存储空间容量;通过服务器本地磁盘缓存和基于闪存的固态硬盘进行I/O优化,虚拟机的启动速度能够获得35%的提升. 虚拟桌面基础架构依靠数据中心海量的云基础设施,为用户按需提供虚拟桌面部署所需的软硬件资源,但同时面临存储资源利用率低和虚拟机启动慢的困境.针对虚拟桌面存储中具有大量数据冗余的特性,采用重复数据删除技术缩减虚拟桌面基础架构的存储空间需求;并利用服务器本地磁盘缓存以及共享存储池内的固态硬盘来优化虚拟机的启动性能.通过原型实现,发现相比于基于内容分块的策略,静态分块策略更适合虚拟桌面存储进行重复数据删除,最优的分块大小为4KB,并能够缩减85%的存储空间容量;通过服务器本地磁盘缓存和基于闪存的固态硬盘进行I/O优化,虚拟机的启动速度能够获得35%的提升.
出处 《计算机研究与发展》 EI CSCD 北大核心 2012年第S1期125-130,共6页 Journal of Computer Research and Development
基金 国家自然科学基金项目(60736013 61025009 60903040 61070198) 教育部新世纪优秀人才支持计划基金项目(NCET-08-0145)
关键词 云计算 虚拟桌面 重复数据删除 存储优化 固态硬盘 cloud computing virtual desktop deduplication storage optimization solid state disk
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参考文献12

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二级参考文献21

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