Testing Ceph BlueStore with the Kraken release

Ceph version Kraken (11.2.0) has been released and the Release Notes tell us that the new BlueStore backend for the OSDs is now available. BlueStore The current backend for the OSDs is the FileStore which mainly uses the XFS filesystem to store it’s data. To overcome several limitations of XFS and POSIX in general the […]

Running headless VirtualBox inside Nested KVM

For the Ceph training at 42on I use VirtualBox to build Virtual Machines. This is because they work under MacOS, Windows, and Linux. For the internal Git at 42on we use Gitlab and I wanted to use Gitlab’s CI to build my Virtual Machines automatically. As we don’t have any physical hardware at 42on (everything […]