Linux

About RBD, Rados Block Device

About RBD, Rados Block Device 2560 1437 Michiel Manten

For anybody enjoying Latin pop in the 2000’s, RBD was a popular Mexican pop band from Mexico City labelled by EMI Virgin. The group achieved international success from 2004 until their separation in 2009 and sold over 15 million records worldwide, making them one of the best-selling Latin music artists of all time. The group…

read more

Managing containerized Ceph clusters with cephadm

Managing containerized Ceph clusters with cephadm 1313 600 Michiel Manten

Cephadm is a great new feature of Ceph v15.2.0 (Octopus). By using cephadm, users have more freedom and flexibility to think about the future migration paths. But what is cephadm it exactly? Well, the goal of cephadm is to provide a fully-featured, robust, and well-maintained installation method. It deploys Ceph in containers while not depending…

read more

Improving some aspects on your Ceph cluster

Improving some aspects on your Ceph cluster 1740 1160 Michiel Manten

As performance optimization research might cost too much time and effort, here are some steps you might first want to try to improve your overall Ceph cluster. The first step is to deploy Ceph on newer releases of Linux and deploying on releases with long-term support. Secondly, update your hardware design and service placement. As…

read more

Migration options for SUSE Enterprise Storage (SES) users

Migration options for SUSE Enterprise Storage (SES) users 1350 900 Michiel Manten

A few weeks ago, I posted a blog about how SUSE pulled the plug on SUSE Enterprise Storage (SES). SES is a Linux-based computer data storage product developed by SUSE and built on Ceph technology. A quick recap on the matter is that in 2020, SUSE acquired Rancher Labs, a Kubernetes management software vendor, and…

read more

Running headless VirtualBox inside Nested KVM

Running headless VirtualBox inside Nested KVM 1500 1001 Wido den Hollander

For the Ceph training at 42on I use VirtualBox to build Virtual Machines. This is because they work under MacOS, Windows and Linux. For the internal Git at 42on we use Gitlab and I wanted to use Gitlab’s CI to build my Virtual Machines automatically. As we don’t have any physical hardware at 42on (everything…

read more

Safely backing up your Ceph monitors

Safely backing up your Ceph monitors 1562 1001 Wido den Hollander

So you might wonder: Why do I need to make a backup of my Ceph monitors? I have multiple monitors. That’s true, but would you run into the very unfortunate situation where you loose all you monitors, you loose all your data. The monitors contain very important metadata (pgmap, osdmap, crushmap) to run your cluster.…

read more

Get

in touch.

    ConsultancyTrainingSupport
    Privacy Preferences

    When you visit our website, it may store information through your browser from specific services, usually in the form of cookies. Here you can change your Privacy Preferences. It is worth noting that blocking some types of cookies may impact your experience on our website and the services we are able to offer.

    Click to enable/disable Google Analytics tracking code.
    Click to enable/disable Google Fonts.

    Visit privacy policy Visit terms and conditions

    Our website uses cookies, mainly from 3rd party services. Define your Privacy Preferences and/or agree to our use of cookies.