I have Sl8500 with 2 partitions
Partition 1 Mainframe
Partition 2 Distributed systems.
I need to move 300 tapes from partition 1 to partition 2
You can do it via SLConsole or Library CLI ( move ).
After this you need start audit on managment software for recognize it.
Not all host software correctly recognize it.
Supported way do it online - export/import via CAP.