Yes , You have to install Enterprise Client license as well Library Based tape drive license during installation and then add those clients in the host properties as media servers
From Site A:
Start Manual backup to use 3 empty tapes with infinity retention . Once the backup is done will eject those tapes from libary and send to site B
In Site B:
Then you load the medias in site B library then you will start the restoration....
When you install the liveupdate agent onto the linux master server nblu.conf file is created. It will have informaton about the liveupdate configuration