Ceph Blog

  • Snapshot progress

    by sage

    If things seem a bit slow lately, it’s because I’ve been primarily workingon implementing the…

  • Next up: snapshots!

    by sage

    One of the last intrusive additions I have planned is a flexible snapshot mechanism. I haven’t been…

  • Recursive accounting

    by sage

    This is somewhat old news, but the recursive accounting changes have been merged into both the…

  • Stable (‘master’) branch updated

    by sage

    I’ve just merged a bunch of recent changes into the ‘master’ branch in git. The big items arelots…

  • Recursive accounting for size, ctime, etc.

    by sage

    Watch the size on the directories: mkdir foo ; cd foo mkdir -p dir1subdir mkdir -p dir2 echo…

  • v0.2 Released

    by sage

    The kernel client is holding up well under the latest round of testing, so I’ve cut a v0.2 release…

  • Kernel client update

    by sage

    The Linux kernel client has stabilized to the point where you can untar and build a kernel source…

  • POSIX file system test suite

    by sage

    A few weeks back a POSIX file system test suite was announced on linux-fsdevel. Some 1700 tests of…

  • Delayed capability release

    by sage

    The Ceph MDS server issues “capabilities” to clients to grant them permission to read or write…

  • Well-behaved writeback

    by sage

    We reached an exciting milestone for the Ceph kernel client this week: file data writeback is…

  • Client cache coherency

    by sage

    I’ve been shying away from the question of how to manage the client metadata cache consistency for…

  • File system creation and scaling

    by sage

    I’ve spent the last week or so revamping the whole “mkfs” process and some of the machinery needed…

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