The importancy of upgrading and updating Ceph consistently
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 […]
Best practices for cephadm and expanding your Ceph infrastructure
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” […]
What about our Ceph Fundamentals training?
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 of our […]
Improving some aspects on your Ceph cluster
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 deploy on releases with long-term support. Secondly, update your hardware design and service placement. As […]
Best practices for CephFS
File storage is a data storage format in which data is stored and managed as files within folders. Why would you choose to use file storage? Well, the advantages of file storage include the following: 1. User-friendly interface: A simple file management and sharing system which are easy to understand for human users which makes […]
Migration options for SUSE Enterprise Storage (SES) users
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 […]
5 more ways to break your Ceph cluster
While we’ve been working with customers using Ceph in a variety of ways, we have encountered some several ways to break your Ceph cluster. In that light, here is an update on five more ways to break your Ceph cluster as a continuation of the original presentation done by Wido den Hollander which is called; […]
42on at Ceph month!
With June already here, it is time for the annual Ceph month. Previously held as a conference and called Cephalocon, this year the event will be held online due to obvious reasons. So, why Ceph month? Ceph month aims at bringing together engineers and architects with an interest in Ceph, software-defined storage, and data center […]
Press release
Fairbanks, leading provider in open source cloud solutions, announces the acquisition of 42on, leading provider of services for the scalable, open source Ceph storage platform. With this acquisition, Fairbanks expands its service portfolio in the open infrastructure realm. Ruud Harmsen, founder and CEO of Fairbanks: “We have been managing and supporting highly available private OpenStack […]
Setting noout flag per Ceph OSD
Prior to Ceph Luminous you could only set the noout flag cluster-wide which means that none of your OSDs will be marked as out. On large(r) cluster this isn’t always what you want as you might be performing maintenance on a part of the cluster, but you sill want other OSDs which go down to […]