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OSDI
2008
ACM

Experiences with Content Addressable Storage and Virtual Disks

9 years 11 months ago
Experiences with Content Addressable Storage and Virtual Disks
Efficiently managing storage is important for virtualized computing environments. Its importance is magnified by developments such as cloud computing which consolidate many thousands of virtual machines (and their associated storage). The nature of this storage is such that there is a large amount of duplication between otherwise discreet virtual machines. Building upon previous work in content addressable storage, we have built a prototype for consolidating virtual disk images using a service-oriented file system. It provides a hierarchical organization, manages historical snapshots of drive images, and takes steps to optimize encoding based on partition type and file system. In this paper we present our experiences with building this prototype and using it to store a variety of drive images for QEMU and the Linux Kernel Virtual Machine (KVM). 1 Motivation The installation, organization, and management of disk images is a critical component of modern virtualization technologies. In t...
Anthony Liguori, Eric Van Hensbergen
Added 03 Dec 2009
Updated 03 Dec 2009
Type Conference
Year 2008
Where OSDI
Authors Anthony Liguori, Eric Van Hensbergen
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