1. RMAN 설정
SQL> alter system set db_recovery_file_dest_size=2G;
SQL> alter system set db_recovery_file_dest='/u01/app/oracle/flash_recovery_area/';
SQL> exit
2. RMAN 접속
OS> rman target sys/qltkdans
3. BACK UP 명령어
RMAN> backup database;
RMAN> host;
4. 백업 확인
OS> ls -lR /u01/app/oracle/flash_recovery_area/