Planet Ceph

Aggregated news from external sources

  • February 12, 2013
    Ceph Comes to Synnefo and Ganeti

    During my most recent schlep through Europe I met some really great people, and heard some awesome Ceph use cases. One particularly interesting case was the work the guys at Synnefo shared with me at FOSDEM that they have been doing with Ganeti and RADOS. They were nice enough to write up some of the […]

  • February 8, 2013
    Introducing ceph-users

    Hi! It’s me again, your friendly Ceph community manager. Lately I’ve gone off the deep end collecting data about activity and participation from our mailing lists, IRC channel, and git repository. I think they’re interesting and I’d like to start regularly sharing what I see. Today I’m going to focus on some interesting trends from […]

  • February 4, 2013
    Ceph Bobtail JBOD Performance Tuning

    Contents Introduction System Setup Test Setup 4KB Results 128KB Results 4MB Results Results Summary Conclusion INTRODUCTION One of the things that makes Ceph particularly powerful is the number of tunable options it provides. You can control how much data and how many operations are buffered at nearly every stage of the pipeline. You can introduce […]

  • January 22, 2013
    Ceph Bobtail Performance – IO Scheduler Comparison

    Contents Introduction System Setup Test Setup 4KB Results 128KB Results 4MB Results Results Summary Conclusion INTRODUCTION One of the strangest things about the holidays is how productive I am. Maybe it’s the fact that Minnesota is bitterly cold this time of year, and the only entertaining things to do outside often involve subzero winds rushing […]

  • 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 13, 2012
    Deploying Ceph with a Crowbar

    We have seen users deploying Ceph in a number of different ways, which is just plain awesome! I have spoken with people deploying with makecephfs, ceph-deploy, Juju, Chef, and even the beginnings of some Puppet work. However, thanks to collaboration between Inktank and Dell there is a really solid deployment pathway using Dell’s Crowbar tool […]

  • December 6, 2012
    Monitoring a Ceph Cluster

    Ok, so you have gone through the five minute quickstart guide, learned a bit about Ceph, and stood a pre-production server up to test real data and operations…now what? Over the past couple of weeks we have gotten quite a few questions about monitoring and troubleshooting a Ceph cluster once you have one. Thankfully, our […]

  • 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 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 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 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” […]

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