RMAN Simulation For Tape

You can test RMAN tape utility without any media manager

CONFIGURE CHANNEL DEVICE TYPE sbt PARMS 'SBT_LIBRARY=oracle.disksbt, ENV=(BACKUP_DIR=/u01/app/oracle/backup/)' format '%U.bck';

CONFIGURE DEFAULT DEVICE TYPE TO 'sbt';

CONFIGURE DEVICE TYPE SBT_TAPE PARALLELISM 2 BACKUP TYPE TO BACKUPSET;