Before jumping into specific use cases, let's look at the following key points that should be understood and considered before thinking about deploying a Ceph cluster:
- Ceph is not a storage array: Ceph should not be compared to a traditional scale-up storage array; it is fundamentally different, and trying to shoe horn Ceph into that role using existing knowledge, infrastructure, and expectations will lead to disappointment. Ceph is software-defined storage with internal data movements that operate over TCP/IP networking, introducing several extra layers of technology and complexity compared to a simple SAS cable at the rear of a traditional storage array. Work is continuing within the Ceph project to expand its reach into ...
