The CHANGEVOLUME TSO subcommand updates details for a volume defined to DFSMSrmm. This diagram shows the syntax of the MEDIATYPE operand, the VENDOR operand, and the WWID operand for the CHANGEVOLUME TSO subcommand.

>>-+-----------------------------+------------------------------>
   |            .-*----------.   |   
   '-MEDIATYPE(-+-CST--------+-)-'   
                +-ECCST------+       
                +-EHPCT------+       
                +-HPCT-------+       
                +-+-MEDIA5-+-+       
                | '-ETC----' |       
                +-+-MEDIA6-+-+       
                | '-EWTC---' |       
                +-+-MEDIA7-+-+       
                | '-EETC---' |       
                '-+-MEDIA8-+-'       
                  '-EEWTC--'         

>--+-------------------------------------+---------------------->
   '-RECORDINGFORMAT--(--+-*--------+--)-'   
                         +-18TRACK--+        
                         +-36TRACK--+        
                         +-128TRACK-+        
                         +-256TRACK-+        
                         +-384TRACK-+        
                         '-EFMT1----'        

>--+---------------------+--+-----------------------------+----><
   '-VENDOR(vendor_name)-'  '-WWID(world_wide_identifier)-'   

To use the EFMT1 recording technology, you must specify the MEDIATYPE(MEDIA5, MEDIA6, MEDIA7, or MEDIA8) operand of the CHANGEVOLUME TSO subcommand.