If you install Docker on a new Fedora or CentOS system, it is very likely that you use devicemapper. Especially in the case of Fedora cloud images, no special configuration is done to the image. While Atomic images come pre-configured with a dedicated pool. Using devicemapper with loopback can lead ...

In this article I will describe how you can setup a webserver environment with Highly Available (HA) storage, provided by GlusterFS. We will be setting up a simple environment in which storage between two webservers needs to be replicated.

GlusterFS is a scalable network filesystem suitable for data-intensive tasks. It ...

As part of providing a scalable infrastructure, many components in the datacenter are now moving towards software-based solutions, such as SDN (for networking) and SDS (for storage). Ceph one of these projects to provide a scalable, software-based software solution. It is often used in conjuction with OpenStack for storing disk ...