virtual or physical backup device which can operate independently or in automated way in a virtual library or a physical library. Data to be backed-up, archived ou restored are recorded or read respectively from a virtual or physical tape which should be inserted in the drive.
a set of information for describing attributes of backed-up, archived or duplicateddata. Metadata contain the name of the file, the original path, the size of the file, it's owner, its access rights...
server to centralise the backup, archiving or duplication process for a backup domain. The storage node has at least one secondary storage device where backed-up data is stored. On the other hand, the metadata are always stored in the catalog of the backup server.
