General

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…

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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…

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A huge thanks to Sage Weil

A huge thanks to Sage Weil 1740 1160 Michiel Manten

Ceph was developed by Sage Weil in 2003 as a part of his PhD project. It was open sourced in 2006 to serve as a reference implementation and research platform. DreamHost, a Los-Angeles-based web hosting and domain registrar company also co-founded by Sage Weil, supported Ceph development from 2007 to 2011. During this period Ceph as we know it took shape: the core…

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The importancy of upgrading and updating Ceph consistently

The importancy of upgrading and updating Ceph consistently 2070 1380 Michiel Manten

During our Ceph consultancy projects we often get questions about Ceph versions. A question we get a lot is about what Ceph version should be used, do I use the latest or an earlier version? Another question is about running different Ceph versions on one cluster, is this a bad thing? I thought it might…

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Best practices for cephadm and expanding your Ceph infrastructure

Best practices for cephadm and expanding your Ceph infrastructure 1771 1180 Michiel Manten

If you want to expand your Ceph cluster by adding a new one, it is good to know what the best practices are. So, here is some more information about cephadm and some tips and tricks for expanding your Ceph cluster. First a little bit about cephadm. Cephadm creates a new Ceph cluster by “bootstrapping”…

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What about our Ceph Fundamentals training?

What about our Ceph Fundamentals training? 1740 1160 Michiel Manten

Currently we are planning a new Ceph Fundamentals training course for November or December. Because of this we thought it would be nice to share some more information on the topics of this training course. The 42on Ceph Fundamentals Training is a 2 day online, instructor led training course. The training is led by one…

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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…

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How we use Ceph-Collect to work with you

How we use Ceph-Collect to work with you 1302 927 Michiel Manten

When we work on Ceph storage infrastructures, we always ask to run a diagnostic tool first. For running these diagnostics, we have developed a tool, which is called Ceph-Collect. The tool is used to gather information from a Ceph cluster. After it runs, it shows an in dept report about the storage architecture together with…

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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…

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