Planet Ceph

Aggregated news from external sources

  • 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

  • February 7, 2016
    REIFF boosts agility and innovation with OpenStack

    REIFF Group is an international group of 20 companies serving the automotive industry, headquartered in Reutlingen, Germany. With 1,600 employees spread across multiple locations in Germany, Belgium, Luxembourg, and China, REIFF creates approximately €520M in annual turnover from a range of over 150,000 products. The company has been in business for over a century, and …Read more

  • February 7, 2016
    HX212 is live! Our hottest Ceph course just got better.

    Last week I blogged about our brand new hastexo Academy platform, and today we’re announcing our first course as open for business. In content, Ceph Distributed Storage Fundamentals (HX212) is quite similar to our extremely popular HX112 face-to-face class — in delivery, it couldn’t be any more different. Learning technology, 21st century style HX212 is, …Read more

  • February 4, 2016
    University of Innsbruck creates scalable and agile infrastructure with Ceph and OpenStack

    In my team we are used to constantly reinventing ourselves and our services, to stay competitive with the market and satisfy our costumers growing demand on mobility of data and services. Private clouds based on Openstack and Ceph help us keep data safe, while offering cloud services similar to global cloud providers Google, Amazon and …Read more

  • February 2, 2016
    A Gentle Introduction to Ceph

    I told a little story about Ceph today in the sysadmin miniconf at 2016. Simon and Ewen have already put a copy of my slides up on the miniconf web site, but for bonus posterity you can get them from here also. For some more detail, check out Lars’ SUSE Enterprise Storage – Design …Read more

  • January 26, 2016
    Slow requests with Ceph: ‘waiting for rw locks’

    Slow requests in Ceph When a I/O operating inside Ceph is taking more than X seconds, which is 30 by default, it will be logged as a slow request. This is to show you as a admin that something is wrong inside the cluster and you have to take action. Origin of slow requests Slow …Read more

  • January 25, 2016
    Hosting a web site in radosgw

    If you’re familiar with web site hosting on Amazon S3, which is a simple and cheap way to host a static web site, you might be wondering whether or not you can do the same in Ceph radosgw. The short answer is you can’t. Bucket Website is listed as Not Supported in the radosgw S3 …Read more

  • December 25, 2015
    Removing buckets in radosgw (and their contents)

    Every once in a while you’ll want to remove a bucket in radosgw, including all the objects contained in that bucket. Now you might use a utility like s3cmd for that purpose: s3cmd rb –recursive s3://mybucket The advantage to this approach is that your users can do it, using just the regular S3 API. But …Read more

  • December 16, 2015
    A Python one-liner for pretty-printing radosgw utilization

    In case you need a quick overview of how many radosgw objects live in your Ceph cluster, your first step is normally this command: radosgw-admin bucket stats When used without the –bucket=<name> argument, this command lists a bunch of statistics for all your radosgw buckets, in a somewhat convoluted JSON format. If you only want …Read more

  • December 15, 2015
    Ceph USB Storage Gateway

    Last week was Hackweek, a week full of fun and innovation at SUSE. I decided to use the time to work on a USB storage gateway for Ceph. The concept is simple – create a USB device that, when configured and connected, exposes remote Ceph RADOS Block Device (RBD) images for access as USB mass …Read more

  • November 29, 2015
    The Ceph Trafficlight

    At PCextreme we have a 700TB Ceph cluster which is used behind our public cloud Aurora Compute which runs Apache CloudStack. Ceph health One of the things we monitor of the Ceph cluster is it’s health. This can be OK, WARN or ERR. It speaks for itself that you always want to see OK, but …Read more

  • November 18, 2015
    Understanding radosgw benchmarks

    We’ve noticed that there are a few common misconceptions around radosgw performance, and we’re hoping that this post can clear up some of those. radosgw is of course Ceph’s RESTful object gateway. That means that you can use any client that speaks the Amazon S3 or OpenStack Swift protocol to interact with your Ceph cluster. …Read more