Using amtape command to manipulate and get information about tapes:
1. amtape DailySet1 show #this command will scan all the slots in a tape library and display all the slot numbers and the label names
-bash-3.00$ amtape disk show amtape: scanning all 25 slots in tape-changer rack: slot 4: date 20060504121020 label disk-4 slot 5: date X label disk-5 slot 6: date X label disk-6 slot 7: date X label disk-7 slot 8: date X label disk-8 slot 9: date X label disk-9 slot 10: date X label disk-10 slot 11: date X label disk-11 slot 12: date X label disk-12 slot 13: date X label disk-13 slot 14: date X label disk-14 slot 15: date X label disk-15 slot 16: date X label disk-16 slot 17: date X label disk-17 slot 18: date X label disk-18 slot 19: date X label disk-19 slot 20: date X label disk-20 slot 21: date X label disk-21 slot 22: date X label disk-22 slot 23: date X label disk-23 slot 24: date X label disk-24 slot 25: date 20060503123041 label disk-25 slot 1: date 20060503163324 label disk-1 slot 2: date 20060503165145 label disk-2 slot 3: date 20060504120909 label disk-3
2. amtape DailySet1 reset #The current slot is set to the first slot
-bash-3.00$ amtape disk reset amtape: changer is reset, slot 1 is loaded. -bash-3.00$
3. amtape DailySet1 current #Display the current slot
-bash-3.00$ amtape disk current amtape: scanning current slot in tape-changer rack: slot 1: date 20060503163324 label disk-1 -bash-3.00$
4. amtape DailySet1 device #Display the name of the current tape device
-bash-3.00$ amtape disk device file://var/lib/amanda/vtapes/disk -bash-3.00$