Opportunistic Use of Content Addressable Storage for Distributed File Systems

  title={Opportunistic Use of Content Addressable Storage for Distributed File Systems},
  author={Niraj H Tolia and Michael A. Kozuch and Mahadev Satyanarayanan and Brad Karp and Thomas C. Bressoud and Adrian Perrig},
  booktitle={USENIX Annual Technical Conference, General Track},
Motivated by the prospect of readily available Content Addressable Storage (CAS), we introduce the concept of file recipes. A file’s recipe is a first-class file system object listing content hashes that describe the data blocks composing the file. File recipes provide applications with instructions for reconstructing the original file from available CAS data blocks. We describe one such application of recipes, the CASPER distributed file system. A CASPER client opportunistically fetches blocks… CONTINUE READING
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