Planet Ceph

Aggregated news from external sources

  • December 24, 2012
    Ceph Over Fibre for VMWare

    We always love it when Ceph users choose to share what they have been doing with the community. Recently, a couple of regulars to the #ceph IRC channel were good enough to give us a very detailed look at how they were using Ceph to power their VMWare infrastructure. So, without further ado, read on […]

  • December 20, 2012
    Argonaut vs Bobtail Performance Preview

    Contents Introduction System Setup Test Setup 4KB Write Results 4KB Read Results 128KB Write Results 128KB Read Results 4MB Write Results 4MB Read Results Conclusion INTRODUCTION Hello again! War. War never changes. Some of you may have been following my bitter rivalry with Mark Shuttleworth.  Now, I am perfectly aware that I share nearly as […]

  • December 18, 2012
    What’s New in the Land of OSD?

    It’s been a few months since the last named release, Argonaut, and we’ve been busy! Well, in retrospect, most of the time was spent on finding a cephalopod name that starts with “b”, but once we got that done, we still had a few weeks left to devote to technical improvements. In particular, the OSD […]

  • October 26, 2012
    RBD support in CloudStack 4.0

    For the past few months I have been working towards a way to use Ceph for virtual machine images in Apache CloudStack. This integration is important to end users because it allows them to use Ceph’s distributed block device (RBD) to speed up provisioning of virtual machines. We (my company) have been long-time contributors to […]

  • October 8, 2012
    Ceph at Open World Forum and OpenStack Summit

    As Ceph development continues to move forward at an astonishing rate we’re working hard to share both our passion for what’s here and our vision of things to come via as many conduits as we can manage. If you are interested in hearing about the latest Ceph dev work, asking questions of some of the […]

  • October 2, 2012
    More Than an Object Store

    Today, Dmitry Ukov wrote a great post on the Mirantis Blog entitled Object Storage approaches for OpenStack Cloud: Understanding Swift and Ceph. Dmitry’s overview on Ceph was a solid introduction to those needing an object store for their OpenStack deployment, and it was an interesting read. Thanks, Dmitry! Naturally, since I spend most of my […]

  • September 26, 2012
    v0.52 released

    After several weeks of testing v0.52 is ready!  This is a big release for RBD and radosgw users.  Highlights include: librbd: fully functional and documented image cloning librbd: image (advisory) locking librbd: ‘protect’/’unprotect’ commands to prevent clone parent from being deleted librbd: ‘flatten’ command to sever clone parent relationship librbd: a few fixes to ‘discard’ […]

  • September 20, 2012
    v0.48.2 ‘argonaut’ stable update released

    Another update to the stable “argonaut” series has been released. This fixes a few important bugs in rbd and radosgw and includes a series of changes to upstart and deployment related scripts that will allow the upcoming ‘ceph-deploy’ tool to work with the argonaut release. Upgrading: The default search path for keyring files now includes /etc/ceph/ceph.$name.keyring. […]

  • August 26, 2012
    v0.51 released

    The latest development release v0.51 is ready.  Notable changes include: crush: tunables documented; feature bit now present and enforced osd: various fixes for out-of-order op replies osd: several rare peering cases fixed osd: fixed detection of EIO errors from fs on read osd: new ‘lock’ rados class for generic object locking librbd: fixed memory leak […]

  • August 21, 2012
    Summer Adventures with Ceph: Building a B-tree

    Greetings! I am a summer intern at Inktank. My summer project is to create a distributed, B-tree-like key-value store, with support for multiple writers, using librados and the Ceph object store. In my last blog post, I wrote about the single client implementation I created to start out with. Over the last several weeks, I’ve […]

  • August 14, 2012
    v0.48.1 ‘argonaut’ stable update released

    We’ve built and pushed the first update to the argonaut stable release.  This branch has a range of small fixes for stability, compatibility, and performance, but no major changes in functionality.  The stability fixes are particularly important for large clusters with many OSDs, and for network environments where intermittent network failures are more common. The […]

  • August 13, 2012
    v0.50 released

    The next development release v0.50 is ready, and includes: osd: major refactor of PG peering and threading osd: more/better dump info about in-progress operations osd: better tracking of recent slow operations osd: misc fixes librados: watch/notify fixes, misc memory leaks mon: misc fixes mon: less-destructive ceph-mon –mkfs behavior rados: copy rados pools radosgw: various compatibility […]

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