delete noprompt obsolete archive log - RMAN

RMAN> report obsolete;

using target database control file instead of recovery catalog
RMAN retention policy will be applied to the command
RMAN retention policy is set to redundancy 1
Report of obsolete backups and copies
Type                 Key    Completion Time    Filename/Handle
-------------------- ------ ------------------ --------------------
Archive Log          183    16-FEB-16          /u01/app/oracle/oraarch/ORCLSTB1_1_140_896707677.arc
Archive Log          189    16-FEB-16          /u01/app/oracle/oraarch/ORCLSTB1_1_141_896707677.arc
Archive Log          190    16-FEB-16          /u01/app/oracle/oraarch/ORCLSTB1_1_145_896707677.arc
Archive Log          191    16-FEB-16        

RMAN> delete noprompt obsolete;

RMAN retention policy will be applied to the command
RMAN retention policy is set to redundancy 1
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=32 device type=DISK
Deleting the following obsolete backups and copies:
Type                 Key    Completion Time    Filename/Handle
-------------------- ------ ------------------ --------------------
Archive Log          183    16-FEB-16          /u01/app/oracle/oraarch/ORCLSTB1_1_140_896707677.arc
Archive Log          189    16-FEB-16          /u01/app/oracle/oraarch/ORCLSTB1_1_141_896707677.arc
Archive Log          190    16-FEB-16          /u01/app/oracle/oraarch/ORCLSTB1_1_145_896707677.arc
Archive Log          191    16-FEB-16          
    
deleted archived log
archived log file name=/u01/app/oracle/oraarch/ORCLSTB1_1_140_896707677.arc RECID=183 STAMP=903955885
deleted archived log
archived log file name=/u01/app/oracle/oraarch/ORCLSTB1_1_141_896707677.arc RECID=189 STAMP=903956192
deleted archived log
archived log file name=/u01/app/oracle/oraarch/ORCLSTB1_1_145_896707677.arc RECID=190 STAMP=903956192
deleted archived log
archived log file name=/u01/app/oracle/oraarch/ORCLSTB1_1_148_896707677.arc RECID=191 STAMP=903956192

Deleted 4 objects