Symantec Backup Exec 2012 Hard drive backup how to Recycle .

Dear All ,

I  am using  Symnatec Backup Exec 2012   in our  environment   i have   3 hard  drive   A B  C   3 Tera each   i  want   to recycle   my  backup  when  my hard drive  is full automatically   in Symantec Back up Exec  2012    Can i   use  this option .

Appreciated your response .

Thanks