Certifying a Crash-safe File System by Haogang

  title={Certifying a Crash-safe File System by Haogang},
  author={Zhe Chen},
File systems are a cornerstone for storing and retrieving permanent data, yet they are complex enough to have bugs that might cause data loss, especially in the face of system crashes. FSCQ is the first file system that (1) provides a precise specification for the core subset of POSIX file-system APIs; and the APIs include fsync and fdatasync, which allow applications to achieve high I/O performance and crash safety, and that (2) provides a machine-checked proof that its I/O-efficient… CONTINUE READING


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