The Ceph Blog

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

  • November 19, 2012
    Getting Involved with Ceph

    The Ceph community is made up of many individuals with a wide variety of backgrounds, from FOSS hacker to corporate architect. We feel very fortunate to have such a great, and active, community. Even more so lately, as we have been fielding a number of questions on how best to become a more active participant […]

  • November 14, 2012
    v0.54 released

    The v0.54 development release is ready!  This will be the last development release before v0.55 “bobtail,” our next long-term stable release, is ready.  Notable changes this time around include: osd: use entire device if journal is a block device osd: new caps structure (see below) osd: backfill target reservations (improve performance during recovery) ceph-fuse: many […]

  • November 9, 2012
    Ceph Performance Part 2: Write Throughput Without SSD Journals

    INTRODUCTION Hello again! If you are new around these parts you may want to start out by reading the first article in this series available here. For the rest of you, I am sure you are no doubt aware by now of the epic battle that Mark Shuttleworth and I are waging over who can […]

  • November 6, 2012
    Our Very First Ceph Day

    Last Friday we had our very first day-long workshop dedicated to Ceph…in beautiful Amsterdam! The Ceph project has had a nice, long string of “firsts” lately and it was exciting to witness this one in person. The event was organized by Inktank and 42on, a new Ceph company and this month’s Featured Contributor! The team […]

  • October 17, 2012
    Ceph is the new black. It goes with everything!

    In my (rather brief) time digging in to Ceph and working with the community, most discussions generally boil down to two questions: “How does Ceph work?” and “What can I do with Ceph?” The first question has garnered a fair amount of attention in our outreach efforts. Ross Turk’s post “More Than an Object Store” […]

  • October 16, 2012
    v0.53 released

    Another development release of Ceph is ready, v0.53.  We are getting pretty close to what will be frozen for the next stable release (bobtail), so if you would like a preview, give this one a go.  Notable changes include: librbd: image locking rbd: fix list command when more than 1024 (format 2) images osd: backfill […]

  • October 15, 2012
    Ceph Block Devices in OpenStack Folsom

    The latest version of OpenStack, Folsom, was recently released. This release makes block devices in general, and Ceph block devices (RBD) in particular, much easier to use. If you’re not familiar with OpenStack terminology, there are a few things you should know before proceeding: instance – a virtual machine image – a template for a […]

  • October 9, 2012
    Ceph Performance Part 1: Disk Controller Write Throughput

    Introduction Here at Inktank our developers have been toiling away at their desks, profiling and optimizing Ceph to make it one of the fastest distributed storage solutions on the planet.  One question we often get asked is how to build an optimally performing Ceph cluster.  This isn’t always an easy question to answer because it […]

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