Planet Ceph

Aggregated news from external sources

  • May 26, 2016
    Check OSD Version

    Occasionally it may be useful to check the version of the OSD on the entire cluster : 1 ceph tell osd.* version

  • May 24, 2016
    Find the OSD Location

    Of course, the simplest way is using the command ceph osd tree. Note that, if an osd is down, you can see “last address” in ceph health detail : 1 2 3 $ ceph health detail … osd.37 is down since epoch 16952, last address 172.16.4.68:6804/628 Also, you can use: 1 2 3 4 5 …Read more

  • May 17, 2016
    The Ceph RGW storage driver goes upstream in Libcloud

    The Ceph RGW storage driver was upstream in Apache Libcloud today. It is available in the Libcloud trunk repository and it will ship with the next release Apache Libcloud 1.0.0. This post will introduce the new RGW driver together with the proper configuration parameters to run some examples uploading/downloading objects in Ceph Jewel.

  • May 10, 2016
    Rapid Ceph Kernel Module Testing with vstart.sh

    Introduction Ceph’s vstart.sh utility is very useful for deploying and testing a mock cluster directly from the Ceph source repository. It can: Generate a cluster configuration file and authentication keys Provision and deploy a number of OSDs Backed by local disk, or memory using the –memstore parameter Deploy an arbitrary number of monitor, MDS or …Read more

  • April 28, 2016
    Protecting the Galaxy: OpenStack DR with Ceph

    The terrific trio composed of Sébastien Han, Sean Cohen and yours truly descended on Austin this week for the recurring ritual of the OpenStack Summit. Our mission: to save the galaxy – or at least your data. Séb and Sean covered architectural options for disaster recovery in OpenStack and I introduced the capabilities provided by …Read more

  • April 26, 2016
    OpenStack Summit Austin 2016

    The OpenStack Summit is a five-day conference for developers, users, and administrators of OpenStack cloud software. Held every six months, the conference schedule rotates based on the OpenStack software release cycle.  This week, the summit is being held in Austin, Texas at the Austin Convention Center. The summit started yesterday and we had two successful …Read more

  • April 14, 2016
    LXC 2.0.0 First Support for Ceph RBD

    FYI, the first RBD support has been added to LXC commands. Example : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 # Install LXC 2.0.0 (ubuntu) : $ add-apt-repository ppa:ubuntu-lxc/lxc-stable $ apt-get update $ apt-get install lxc # Add a ceph pool for lxc bloc devices : $ …Read more

  • April 7, 2016
    Testing Ceph with ARMv8 OpenStack instances

    The Ceph integration tests can be run on ARMv8 (aka arm64 or aarch64) OpenStack instances on CloudLab or Runabove. When logged in CloudLab an OpenStack cluster suitable for teuthology must be created. To start an experiment click Change Profile to select the OpenStackTeuthology profile the description of the profile contains an example credential file (i.e. …Read more

  • April 5, 2016
    New and Improved DreamCompute – Available for All

    The rise of the cloud has been one of the biggest shifts in computing in decades. For years, DreamHost has offered top-notch managed hosting with our Shared, VPS, and Dedicated hosting platform, but the cloud revolution has put unmanaged cloud servers into the spotlight. Back in 2012, we announced our intent to build DreamCompute — to bring …Read more

  • March 23, 2016
    Five Days of Ceph at PSA Peugeot Citroën

    Last week, I traveled to the Franche-Comté region of eastern France on behalf of SUSE, to introduce a group of Ceph novices to our favorite distributed storage system and to SUSE’s distributed storage product, SUSE Enterprise Storage 2.1. PSA Peugeot Citroën, usually simply called PSA, is one of Europe’s best-known automobile manufacturers and one of …Read more

  • February 29, 2016
    Leap Ahead

    It’s a fantastic thing that we made the release date, because otherwise we would have to wait for four more years — I had this quirky desire to release one of my products on February the 29th, and this year we finally made it happen! 😉 Today we are pleased to launch the latest and …Read more

  • February 17, 2016
    Making Ceph Faster: Lessons From Performance Testing

    In my first blog on Ceph I explained what it is and why it’s hot; in my second blog on Ceph I showed how faster networking can enable faster Ceph performance (especially throughput).  But many customers are asking how to make Ceph even faster. And recent testing by Red Hat and Mellanox, along with key …Read more

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