Proxmox seamlessly integrates the Ceph RBD storage to store virtual disk images. The superb resilience of Ceph and its extremely low price makes it a truly enterprise-class storage system to rely on. We will learn how to install and configure a Ceph cluster and manage it through Proxmox GUI properly to realize its full potential in Chapter 5, Installing and Configuring Ceph. We will also look at the Ceph menu in that chapter. The Ceph menu in the Proxmox GUI displays real-time Ceph cluster data, as shown in the following screenshot: