The Ceph Blog

Ceph blog stories provide high-level spotlights on our customers all over the world

  • January 14, 2015
    v0.91 released

    We are quickly approaching the Hammer feature freeze but have a few more dev releases to go before we get there. The headline items are subtree-based quota support in CephFS (ceph-fuse/libcephfs client support only for now), a rewrite of the watch/notify librados API used by RBD and RGW, OSDMap checksums to ensure that maps are …Read more

  • January 14, 2015
    v0.80.8 Firefly released

    This is a long-awaited bugfix release for firefly. It several imporant (but relatively rare) OSD peering fixes, performance issues when snapshots are trimmed, several RGW fixes, a paxos corner case fix, and some packaging updates. We recommend that all users for v0.80.x firefly upgrade when it is convenient to do so. NOTABLE CHANGES

  • December 19, 2014
    v0.90 released

    This is the last development release before Christmas. There are some API cleanups for librados and librbd, and lots of bug fixes across the board for the OSD, MDS, RGW, and CRUSH. The OSD also gets support for discard (potentially helpful on SSDs, although it is off by default), and there are several improvements to …Read more

  • November 12, 2014
    v0.88 released

    This is the first development release after Giant. The two main features merged this round are the new AsyncMessenger (an alternative implementation of the network layer) from Haomai Wang at UnitedStack, and support for POSIX file locks in ceph-fuse and libcephfs from Yan, Zheng. There is also a big pile of smaller items that re …Read more

  • October 29, 2014
    v0.87 Giant released

    This release will form the basis for the stable release Giant, v0.87.x. Highlights for Giant include: RADOS Performance: a range of improvements have been made in the OSD and client-side librados code that improve the throughput on flash backends and improve parallelism and scaling on fast machines. CephFS: we have fixed a raft of bugs …Read more

  • October 16, 2014
    v0.80.7 Firefly released

    This release fixes a few critical issues with v0.80.6, particularly with clusters running mixed versions. We recommend that all v0.80.x Firefly users upgrade to this release. For more detailed information, see the complete changelog. NOTABLE CHANGES osd: fix invalid memory reference in log trimming (#9731 Samuel Just) osd: fix use-after-free in cache tiering code (#7588 Sage Weil) osd: …Read more

  • October 3, 2014
    Support the Ada Initiative: half way there!

    A few days ago I made a challenge to the open storage community to support the Ada Initiative‘s work to improve gender diversity in open source and open data communities, and offered to match contributions if we can reach $8192.  I’m pleased to say that the response so far has been great, and we’re now …Read more

  • October 2, 2014
    v0.80.6 Firefly released

    This is a major bugfix release for firefly, fixing a range of issues in the OSD and monitor, particularly with cache tiering. There are also important fixes in librados, with the watch/notify mechanism used by librbd, and in radosgw. A few pieces of new functionality of been backported, including improved ‘ceph df’ output (view amount …Read more

  • October 1, 2014
    Support the Ada Initiative: a challenge to the open storage community

    I’d like to take a moment away from your regularly scheduled storage revolution to talk about the Ada Initiative: who they are, what they do, and why it is important to open source storage communities. I’m also going to challenge you to raise $8192 for them, and I’ll match that dollar for dollar if you do. …Read more

  • September 30, 2014
    Ceph Developer Summit: Hammer

    As many of you Ceph Day attendees are no doubt aware, we’re fast approaching the release date for the ‘Giant’ release of Ceph. With that, it’s time to get together at another virtual Ceph Developer Summit and chat about what development work is going in to the ‘Hammer’ release. Blueprint submissions are open now, so …Read more

  • September 25, 2014
    v0.67.11 Dumpling released

    This stable update for Dumpling fixes several important bugs that affect a small set of users. We recommend that all Dumpling users upgrade at their convenience. If none of these issues are affecting your deployment there is no urgency. NOTABLE CHANGES common: fix sending dup cluster log items (#9080 Sage Weil) doc: several doc updates …Read more

  • September 8, 2014
    v0.85 released

    This is the second-to-last development release before Giant that contains new functionality. The big items to land during this cycle are the messenger refactoring from Matt Benjmain that lays some groundwork for RDMA support, a performance improvement series from SanDisk that improves performance on SSDs, lots of improvements to our new standalone civetweb-based RGW frontend, …Read more

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