Question Backupset

I everybody,

By curiosity i want to understand how backupset work

If i do
generate backupset node_name prefix_name devclass=LTO_CLASS_1 scratch=yes datatype=all

The client node_name have all of his data on one tape ?

If ihave a second TSM and i do a

define backupset node_name prefix_name devclass=LTO_CLASS_1 volumes=volume_name wheredatatypes=all

the client node_name have now all of his data on the TSM server2 too ??

Regards, Mickael