42on is a leading provider of services for the Ceph storage platform

Thanks to our team of professionals
and dedicated teamwork

This is what

we’re good at.

We’re in with


Ceph is an Open Source distributed object store. It runs on commodity hardware providing a fault tolerant and self-healing storage platform.

Why choose us?

Open Source

We are a company with loads of knowledge. Besides that we’re in love with open source and Ceph. As a company we provide high quality training, consultancy and support for Ceph. When we say we love open source, we truly mean that. We are actively involved in the open source communities of Ceph, Apache CloudStack, libvirt and multiple other projects.

Take a look at the Github page or our tech-blogs and you can see that we are actively and enthusiastically involved in the open source community.

Since 2012

42on provides high quality Ceph consultancy since 2012. We assist organizations in designing, deploying, implementing and running Ceph clusters. Ranging from Terabytes to Petabytes, spinning disks or all Flash, we have implemented all kinds and types of Ceph clusters.

Are you thinking about using Ceph in your organization? Just get in touch with us. We are here to help you. If you need our assistance and want to grant us remote access to your systems, please get in touch to discuss the possibilities.

The power
behind 42on.

Wout van Heeswijk

Within collaborative, administrative, empowered markets via plug-and-play, Wout van Heeswijk is a huge fan of open source solutions. Since 2000 he has been working in the open source community.


Courses and events.

The next (online) training will be in the second quarter of 2022. Our trainings are scheduled when the minimum amount of 8 attendees has been reached. Please contact us for exact dates and available seats.

In case you would like to organize an onsite training, contact us as well to discuss the possibilities.


in touch.

    Privacy Preferences

    When you visit our website, it may store information through your browser from specific services, usually in the form of cookies. Here you can change your Privacy Preferences. It is worth noting that blocking some types of cookies may impact your experience on our website and the services we are able to offer.

    Click to enable/disable Google Analytics tracking code.
    Click to enable/disable Google Fonts.

    Visit privacy policy Visit terms and conditions

    Our website uses cookies, mainly from 3rd party services. Define your Privacy Preferences and/or agree to our use of cookies.