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.
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.
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...
