High level backup/recovery actions and data flow

• Simple NetWorker datazone



• Backups



• Backups typically are initiated on the backup server according to the NetWorker scheduler.



• Contact made with client over network.



• Client selects files for backup and initiates data streams.



• Server mounts volume(s) and directs data streams to backup devices.



• Server updates client and media indexes.



• When backup is complete, server typically saves client indexes to tape.



• Server sends out completion notifications.



• Recoveries



• Recoveries typically are initiated interactively on the client to which the data will be recovered.



• Client makes contact with the server to browse the client indexes in order to select data for recovery.



• Client selects data and initiates recovery.



• Server selects the appropriate volume, mounts it and reads the data.



• Data is delivered over the network back to the client.



• Client terminates recovery session.



• Variations



• Backups can be initiated from clients if server configuration allows it.



• Recoveries can be initiated from the server with data delivered to the client.



• Recoveries can be initiated from, and data delivered to, a different client than the data was saved from.