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Prism: Lightweight Filesystem Virtualization Via Selective Cloning

Tags:
virtualization

Overview Suppose filesystems supported cloning of any subset of directories, even those containing gigabytes of data, almost instantaneously, while guaranteeing isolation between the original copy and the cloned copy. The paper shows that this simple abstraction can greatly simplify many routine tasks, both for a single operating system and for clusters of similar virtual machines in a virtual server farm. This paper describes the design of Prism, a file server that supports lightweight cloning and centralized file management of multiple filesystems. Unlike copying in standard file systems or cloning operations on virtual disks, the Prism filesystem supports high-level operations to create fast clones of any part of a filesystem.

Further White Paper Details
Publisher	University of Michigan	File Format	PDF
Date Published	May 2007	Downloads	1
Format	White Papers
Topics	Virtualization

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