Virtualization White Papers
Prism: Lightweight Filesystem Virtualization Via Selective Cloning
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.
| Publisher | University of Michigan | File Format | |
|---|---|---|---|
| Date Published | May 2007 | Downloads | 1 |
| Format | White Papers | ||
| Topics | |||
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