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Fast, On-Demand Software Deployment with Lightweight, Independent Virtual Disk Images

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5 Author(s)
Bin Chen ; Sch. of Comput., Nat. Univ. of Defense Technol., Changsha, China ; Nong Xiao ; Zhiping Cai ; Zhiying Wang
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This paper proposes a novel software deployment approach based on lightweight, independent virtual disk images. The main goal of our approach is to provide a new software provision mode as convenient and flexible as that in the tool-toolbox model so as to reduce software management cost and to improve software reusability at a finer granularity in local or distributed virtual machine environments. With our approach, the traditional one-piece large-sized virtual disk image is split into a base virtual disk (BVD) image and multiple small-sized software virtual disk (SVD) images at a basic granularity of a single kind of software. By applying a file system metadata extraction (FSME) approach, most SVDs can be made fully independent. Only the small-sized SVDs installed with user-required software are distributed to users and are made usable/unusable by performing low-cost SVD operations at user sides, which could greatly reduce the software deployment cost. We have built a working prototype based on QEMU virtual machine monitor (VMM) and ext2 file system on Linux system. Experiments on the prototype system show that our approach effectively supports low-cost, on-demand software deployment in virtual machine environments.

Published in:

Grid and Cooperative Computing, 2009. GCC '09. Eighth International Conference on

Date of Conference:

27-29 Aug. 2009