Blog Article:


Daniel Molina

May 21, 2019

OpenNebula Techday Netherlands 2016 – The OpenNebula TechDays are full day events to learn about OpenNebula with a hands-on cloud installation and operation workshop, and presentations from community members and users. These events are targeted at cloud architects, data center admins, systems admins, systems integrators, DevOps architects, and solutions architect. The emphasis is to find local speakers and users to come together and talk about things that they care about most, and to share stories from their experiences using OpenNebula.



The TechDay will be held at


Galileïlaan 17

6716BP, Ede

the Netherlands

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BIT is an internet service provider and datacenter in The Netherlands. BIT offers internet access, email, hosting and colocating services for governments, organisations and businesses. The focus of the company is on superb quality and customisation with innovation as the motivation. In their datacenters and on their network they run services for the Dutch (.nl) registry, for several international payment companies, insurance companies, among others. BIT has always had a strong relation with the open source community and hosts for example the official Dutch and IPv6 mirror of the Ubuntu repositories. BIT is using OpenNebula to manage its (private) cloud offerings.

Call for Speakers

Send us an email at if you are interested in speaking at this TechDay and:

  • Sharing cloud use cases and deployment experiences
  • Introducing new integrations and ecosystem developments
  • Describing other related cloud open-source projects and tools


Register for this Event

The number of seats is limited  to ensure there is plenty of opportunity for everyone to interact. We encourage everyone to register as early as possible.

Agenda and Speakers

Agenda includes a hands-on cloud installation and operation workshop, and presentations from OpenNebula community members and users.

9:00-13:00: Hands-on Workshop

Jaime Melis, Senior Infrastructure Architect at OpenNebula Systems This hands-on tutorial will give an overview of how OpenNebula is used to build and operate private clouds. The attendees will build, configure and operate their own OpenNebula cloud.


  • An introduction to cloud computing with OpenNebula
  • The architecture of the cloud
  • Planning and installing OpenNebula
  • Configuration and basic usage


The target audience is devops and system administrators interested in deploying a private cloud solution, or in the integration of OpenNebula with other platform.

Skills Gained

  • Describe the features and benefits of using virtualization and clouds
  • Describe different architectures for a cloud that can be deployed with OpenNebula
  • Deployment and basic configuration OpenNebula
  • Basic operation of an OpenNebula cloud instance


No prior OpenNebula skills are required, but participants should have working knowledge of virtualization, networking and Unix/Linux systems.


The workshop includes hands-on exercises to be performed using attendee’s wifi-enabled laptops with VirtualBox installed. The attendees will build, configure and operate their own OpenNebula cloud.

13:00-14:00: Lunch

14:00 – 17:00: Presentations

14:00 – 14:30: Object scale out with Eternus CD10000

Walter Graf, Frits de Kok, Fujitsu.
Introduction to object storage, Ceph concepts and internals and how
Fujitsu managed to overcome administrative challenges involved in
running a Ceph cluster.
Fujitsu and BIT will be giving a demo of Fujitsu CD10000 and OpenNebula.

14:30 – 15:00: Building the Dutch National Archive with Ceph

Wido den Hollander, Part of the Ceph Board.
The Dutch National Archive has chosen Ceph to store their data on in Groningen, The Netherlands. Together with ODC Noord I’ve build the 8PB Ceph cluster running in a IPv6-only network.
This talk will go in-depth in the design decisions made when building this cluster.
Wido den Hollander has been working with Ceph since 2010 and is now part of the Ceph board.

15:00 – 15:30: Coffee Break

15:30 – 16:00: The OpenNebula Ceph Drivers

Jaime Melis, Senior Infrastructure Architect at OpenNebula Systems. Overview of the Ceph Drivers. Configuration attributes, peculiarities. Everything you should know about before deploying your OpenNebula + Ceph cloud.

16:00 – 16:30: BIT’s experiences playing with Ceph and OpenNebula

Stefan Kooman,
BIT has been running a Ceph test cluster for some time and will talk
about their experiences so far. A live demo is planned where we will
test Ceph’s ability to recover from failure.

16:30 – 17:00: Open Space

This is a session for attendees to gather and discuss passionate questions, burning ideas, features, integrations or any topic of their choice, in an informal and tech-friendly environment, with other passionate and interested people. There is no preplanned list of topics, only time slots and a space in one of the meeting rooms where interested participants propose topics and pick time slots.


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