HYDIN0066I (OP0066) One or more volumes have been inserted into the library and marked unassigned.

Explanation
			   The library is in import mode and physical volumes have been
			   inserted into the library through the convenience I/O station. These
			   physical volumes have been marked as unassigned and
			   should be defined using the Physical->Physical Volumes->Physical Volume Ranges page.

		
Operator response
			   
				     
					If attached to a 3584 attached library, use the Physical->Physical Volumes->Physical Volume Ranges panel on the TS7700 Engine
					Management Interface to (1) eject this volume or (2) adjust the
					ranges of defined physical volumes.
				

			   

		
Source
Physical Cartridge