rman配置:(每周日备份(0级),其他都是增量备份(1级))
CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 21 DAYS;
CONFIGURE BACKUP OPTIMIZATION ON;
CONFIGURE CONTROLFILE AUTOBACKUP ON;
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '/home/oracle/rman_backup/ctl_autobak_%F';
其他均为default