Netbackup Component Definitions (Veritas Netbackup 6.x):
Master server
A server that is designated to control the backup and recovery activities for the clients assigned to it. Specially, master server track what files are backed up to which backup media.
Media Server
A server that has some form of storage (a tape drive, tape library, optical driv, or disk) attached to it -either directly or through the network. Media servers manage the writing and reading of data to and from media.
Enterprise Media Manager (EMM) server
A centralized data store and group of services that perform the management and allocation of resources
Client
Any machines that have data to back up.
SAN Media
A specialized server that can only back up its own data to devices. This server is not allowed to back up data residing on any other clients on the network
Master server
A server that is designated to control the backup and recovery activities for the clients assigned to it. Specially, master server track what files are backed up to which backup media.
Media Server
A server that has some form of storage (a tape drive, tape library, optical driv, or disk) attached to it -either directly or through the network. Media servers manage the writing and reading of data to and from media.
Enterprise Media Manager (EMM) server
A centralized data store and group of services that perform the management and allocation of resources
Client
Any machines that have data to back up.
SAN Media
A specialized server that can only back up its own data to devices. This server is not allowed to back up data residing on any other clients on the network