The removal operation deletes the information about the backups stored on the selected tape and about the tape itself from the database.
You can only remove an offline (ejected) tape.
To remove a tape:
What to do if I removed a tape by mistake?
Unlike an erased tape, the data from a removed tape is not physically deleted. Hence, you can make backups stored on such tape available again. To do so:
Note During the inventorying, do not enable the Move unrecognized and imported tapes to the 'Free tapes' pool switch.