RBD, aka RADOS Block Device, as you might guess from the name, allows you to allocate space from Ceph and present it to clients as block devices (disks).
RBD can often be found in conjunction with virtualization, in Kubernetes, where disks are connected to containers as PV, and also inside the client OS.
In this case, we will look at how to connect block devices with Ceph to a regular Linux host.
Continue reading “Connecting Ceph clients. Block devices – RBD” 