Fault isolation and quick recovery in isolation file systems

  • Authors:
  • Lanyue Lu;Andrea C. Arpaci-Dusseau;Remzi H. Arpaci-Dusseau

  • Affiliations:
  • Computer Sciences Department, University of Wisconsin, Madison;Computer Sciences Department, University of Wisconsin, Madison;Computer Sciences Department, University of Wisconsin, Madison

  • Venue:
  • HotStorage'13 Proceedings of the 5th USENIX conference on Hot Topics in Storage and File Systems
  • Year:
  • 2013

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Abstract

File systems do not properly isolate faults that occur within them. As a result, a single fault may affect multiple clients adversely, making the entire file system unavailable. We introduce a new file system abstraction, called file pod, to allow applications tomanage failure and recovery polices explicitly for a group of files. Based on this abstraction, we propose the isolation file system, which provides fine-grained fault isolation and quick recovery.