數(shù)據(jù)庫版本：11.2.0.4
系統(tǒng)：rhel 7.9
SQL> select open_mode,database_role,db_unique_name from v$database;
OPEN_MODE DATABASE_ROLE DB_UNIQUE_NAME
-------------------- -------------------- ---------------
READ ONLY WITH APPLY PHYSICAL STANDBY ORCL151
SQL> show parameter control;
NAME TYPE VALUE

------------------------------------ ----------------------?------------------------------

control_file_record_keep_time integer 7
control_files string
/u01/APP/oracle/oradata/orcl15
1/control01.ctl, /u01/APP/orac

le/fast_recovery_area/orcl150/
control02.ctl, /u01/APP/oracle

/fast_recovery_area/orcl150/co
ntrol03.ctl

control_management_pack_access string DIAGNOSTIC+TUNING
SQL> alter database recover managed standby database cancel;
Database altered.
SQL> alter system set control_files='
/u01/APP/oracle/oradata/orcl151/control01.ctl','/u01/APP/oracle/fast_recovery_area/orcl150/control02.ctl','/u01/APP/oracle/fast_recovery_area/orcl150/control03.ctl','/u01/APP/oracle/fast_recovery_area/orcl150/control04.ctl' scope=spfile;
System altered.
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> ! cp
/u01/APP/oracle/fast_recovery_area/orcl150/control03.ctl?/u01/APP/oracle/fast_recovery_area/orcl150/control04.ctl
SQL> startup
ORACLE instance started.
Total System Global Area 3206836224 bytes
Fixed Size 2257520 bytes
Variable Size 1811942800 bytes
Database Buffers 1375731712 bytes
Redo Buffers 16904192 bytes
Database mounted.
Database opened.
SQL> show parameter control
NAME TYPE VALUE

------------------------------------ ----------------------?------------------------------

control_file_record_keep_time integer 7
control_files string
/u01/APP/oracle/oradata/orcl15
1/control01.ctl, /u01/APP/orac

le/fast_recovery_area/orcl150/
control02.ctl, /u01/APP/oracle

/fast_recovery_area/orcl150/co
ntrol03.ctl, /u01/APP/oracle/f

ast_recovery_area/orcl150/cont
rol04.ctl

control_management_pack_access string DIAGNOSTIC+TUNING
SQL> alter database recover managed standby database using current logfile disconnect from session;
Database altered.