Blog Article:


Daniel Molina

May 21, 2019

OpenNebula Techday Sofia 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

Vivacom Art Hall
4 General Gurko Str., Sofia 1000

Contact: office@storpool.comMaps were disabled by the visitor on this site.

StorPool is high-performance software-defined storage solution. It allows customers to build data storage out of standard servers (software-defined storage). It is intelligent software that enables public and private cloud builders to run storage and applications on the same standard x86 servers and delivers fast, scalable and cost-efficient block storage. StorPool has advanced fully-distributed architecture and is arguably the fastest and most efficient block-storage software for high performance computing, available on the market today.

Agenda and Speakers

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

10:00-14:00: Hands-on Workshop

Jaime Melis, 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.

14:00-15:00: Lunch

15:00 – 18:00: Presentations

15:00 – 15:45: OpenNebula is Evolving… Fast!

Jaime Melis, OpenNebula Core Developer
We will discuss the new features, workflows and components that are available in the last release of OpenNebula (4.14). We will learn about disk snapshots, accounting and showback enhancements, a big boost to our Ceph and qcow2 drivers, direct GPU access, cloning of running VMs, improvement of recovery mechanisms for VMs and many other things.
OpenNebula is Evolving… Fast! – Jaime Melis from OpenNebula Project

15:45 – 16:45: Optimization of OpenNebula Virtual Machines for Higher Performance

Boyan Krosnov, Chief Product Officer of StorPool Boyan has been building IT infrastructures since 1999. He has led the implementation of several triple-play operators from scratch in UK, Ireland, Iceland, Bulgaria and Malaysia. In these projects he has been in charge of teams of 5+ engineers of diverse backgrounds. The total budget of every single one of these projects reaches millions of dollars.
He has won three bronze medals on Balkan and International Olympiads in Informatics in the 1990s and is CCIE since 2002 (#8701).
Prior to StorPool Boyan was co-founder of PacketScale – a start-up company developing ultra-high performance networking software.
Optimization of OpenNebula VMs for Higher Performance – Boyan Krosnov from OpenNebula Project

16:45 – 17:15: Coffee Break

17:15 – 18:00: Open Space / Lightning Talks

This is a session for attendees to do Lightning Talks, 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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