Hi,
As it turns out, putting an empty cartridge in a slot (this case number 7) does not make that cartridge the one that is chosen for backup, the system selected the cartridge in slot 4. It seems to me that one needs to create a new media set, but even there you can not specify which cartridge to use. Any ideas on how the specify a particular cartridge to backup to? Take the other cartridges offline?
Thanks,
Dov