How to break your Ceph cluster
How it began In the past we have talked about how to break your Ceph cluster. It began with a talk on ‘’10 ways to break your Ceph cluster’’. This is a presentation that was held by Wido den Hollander, the founder of 42on, during a Ceph conference in Germany. You can watch that talk […]
Ceph object storage and gateway 101
Ceph Object Gateway Ceph Object Gateway, also known as RADOS Gateway (RGW) is an object storage interface built on top of librados to provide applications with a RESTful gateway to Ceph storage clusters. Ceph Object Gateway supports two interfaces: 1. It is S3-compatible: This provides object storage functionality with an interface that is compatible with a […]
A LOKI case study
What is LOKI? Loki is a god in Norse mythology; he is known as a troublemaker and a shapeshifter. In the Marvel franchise he is known as a fictional character portrayed by Tom Hiddleston, though his character is based on the Norse mythological god of the same name. In the open source industry we know […]
Ceph user survey
Each year Ceph holds a user survey to measure trends, improvements, and actual requests for functionalities. These surveys are very convenient for making hypothesizes about user behaviors as well. Thus, each year new user surveys are conducted to keep the data up to date. Two weeks ago, I shared some highlights about the 2021 OpenStack […]
Getting started with Ceph?
Getting started with Ceph? Let’s discuss some frequently asked questions by Ceph starters. We, at 42on are in love with Ceph and if you are thinking about whether to run your storage on Ceph as well, there are a few things to consider. To help you fall in love with Ceph as well, we have […]
Ceph Quincy, a look into the future
Every year, a new Ceph version is released. In 2019, version 14 (Nautilus) was released, in 2020, version 15 (Octopus) and in 2021, version 16 called Pacific. These versions have an end of life date, so make sure you are up-to-date and operate the same version throughout your Ceph clusters. The end of life date […]
Fairbanks and 42on at the OpenInfra Summit Berlin
The OpenInfra Summit is a global event for open source IT infrastructure professionals to collaborate on software development, share best practices about designing and running infrastructure in production, and make partnership and purchase decisions. This year (June the 7th, 8th and 9th) it is held in Berlin and brings together more than 2000 influential IT […]
Deploying a Ceph cluster with cephadm
Cephadm deploys and manages a Ceph cluster. It does this by connecting the manager daemon to hosts via SSH. The manager daemon is able to add, remove, and update Ceph containers. In this blog, I will provide you with a little more information about deploying a Ceph cluster using cephadm. Cephadm manages the full lifecycle of a […]
About RBD, Rados Block Device
For anybody enjoying Latin pop in the 2000s, RBD was a popular Mexican pop band from Mexico City labeled 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 […]
Managing containerized Ceph clusters with cephadm
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 […]