Ceph MDS

Ceph MDS (Metadata Server) is a component in the Ceph storage system that manages file system metadata, such as filenames, directories, and permissions. Think of it as the librarian that keeps track of where data is stored and how it's organized. When users access or modify files, the MDS ensures quick and accurate navigation within the system's large, distributed storage network. It coordinates multiple servers to provide scalable, reliable, and efficient access to shared files, making complex storage systems behave like a conventional file system for end-users and applications.