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Pp. 173-182 of the Proceedings

A Persistent Snapshot Device Driver for Linux

Suresh B Siddha
Indian Institute of Science, Bangalore, India
suresh.siddha@alumnus.csa.iisc.ernet.in

K Gopinath
Indian Institute of Science, Bangalore, India
gopi@csa.iisc.ernet.in

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• Abstract
• Introduction
  • Snapshots
• Previous Work
• Design Issues
  • Design of Persistent Snapshot Device Driver for a Single Node
    • Consistent Persistence
    • Log Format
    • Tree Structured Writable Snapshots
  • A Clustered Persistent Snapshot Design
    • Metadata Management of Snapshots
    • Logging
    • Membership updates in the Cluster
    • Performance
• Implementation Details
  • Block Drivers in Linux
  • The Pseudo Device Driver
    • Problems in writing a layered device driver in Linux
    • Pseudocode of Driver
    • Snapshot Disk Layout
  • Changes to Linux Kernel 2.2.5
• Performance
• Conclusions and Future Work
  • Conclusions
  • Future Work
• Acknowledgments
• Bibliography
• About this document ...

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Suresh Siddha 2001-09-13

This paper was originally published in the Proceedings of the 5th Annual Linux Showcase & Conference, November 5–10, 2001, Oakland, California, USA Last changed: 10 Oct 2001 ml

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