Containers

I’m excited to announce that just right for Cephalocon and KubeCon Europe, Rook has landed on operatorhub.io. It has been quite a challenge to have it merged, but in the end my pull request got …

It has been a long time since I’ve been giving updates or even blogging. Let’s take some time here (while being on the plane) to update you on what I’m doing these days.

Long time no blog, I know, I know… Soon, I will do another blog entry to “explain” a little why I am not blogging as much I used too but if you’re still around and reading …

With its two latest versions (v1.3.0 and v1.4.0) Ceph Nano brought some nifty new functionalities that I’d like to highlight in the article.

A year ago, I was describing how we were debugging our ceph containers; today I’m back with yet another great thing we wrote :). Sometimes, when a process receives a signal and if that process …

A massive refactor done a week ago on ceph-container. And yes, I’m saying ceph-container, not ceph-docker anymore. We don’t have anything against Docker, we believe it’s excellent …

I’ve recently started a small project that aims to help developers working with the S3 API. The program is called cn for Ceph Nano, is available on github let me give you a tour of what it …

I have been recently working on refactoring our Ceph container images. We used to have two separate images for daemon and demo. Recently, for Luminous, I decided to merge the demo container into …

I have been extensively working on ceph-docker for the last few months and it’s getting better. With the upcoming arrival of Ceph Luminous (next LTS), Bluestore will be the default backend to …

I recently completed a full resync from Kraken to Jewel in ceph-docker in which I introduced a new feature to disable scenarios. Running an application on bleeding edge technology can be tough and …

*/!\ DISCLAIMER /!* */!\ DO NOT GET TOO EXCITED, AT THE TIME OF THE WRITTING LUMINOUS IS NOT OFFICIALLY RELEASE IN STABLE YET /!* */!\ USE AT YOUR OWN RISK, DO NOT PUT PRODUCTION DATA ON THIS /!* …

For the last couple of weeks, Erwan Velu and I have been busy refactoring the entire ceph-docker code base. Through these cosmetic changes, we implemented new mechanisms to finely grained debug …

I’m really sorry for being so quiet lately, I know I promised to release articles more regularly and I clearly failed… Many things are going on and where motivation is key to write …

Some use cases might require to zap a device (destroy partition tables) prior to run your Ceph OSD container with a dedicated disk. While running development environment this is particularly …

I recently pushed into ceph-docker the support for thr RBD mirror. This daemon is responsable for asynchronously replicating RBD images from one cluster to another. The main purpose of the daemon is …

I have been having a hard time keeping up with all things happening at the office and the blog. One of the main reason is that I actively resumed my work on ceph-docker, in this article I will …

I haven’t advertised this one really much (even if I’ve been using it in some articles). Since people are still wondering how to quickly get a full Ceph cluster up and running for …

Docker 1.8 was just released a week ago and with it came the support for volume plugin. Several volume plugins are available but today I will be introducing the Ceph RBD ones (yes there are currently …

It is crucial to know how to build Kubernetes from source if you want to implement new features.

Use RBD device to provide persistent storage to your containers. This work was initiated by a colleague of mine Huamin Chen. I would like to take the opportunity to thank him for the troubleshooting …

People have been having trouble to map a RBD device in a container. Quick tip on how to map a Rados Block Device into a container.

Almost two years have passed since my first attempt to run Ceph inside Docker. Time has elapsed and I haven’t really got the time to resume this work until recently. For the last couple of …

As part of my work on ceph-docker, I have been playing a bit with Kubernetes. As a first exercise, I thought it would be interesting to run my Ceph monitors with Kubernetes. Let’s see how we …

For more than a year, containers have become more and more popular especially thanks to rise of Docker. Unfortunately the concept itself is not always clear for everyone. It is important to …

Quick tip to access a container without SSH.

Nice talk from Rohan Singh about the internal usage of Docker at Spotify.

Docker is definitely the new trend. Thus I quickly wanted to try to put a Ceph monitor inside a Docker container. Story of a tough journey…

CoreOS is an emergent project that aims to address one of the most pressing questions in the server’s world. We at eNovance, therefore released eDeploy: a tool that performs bare metal …

Juju fait parti des nouveaux outils développés par Ubuntu dans sa gamme Ubuntu Cloud pour déployer votre infrastructure Cloud privé. Il fait parti intégrante du projet Orchestra. Actuellement Juju …