背景：Oracle 12.2搭建ADG，在主库创建pdb时发现备库告警ORA-600。DBCA删除主库的pdb后，备库pdb没有自动删除，故手动删除备库的PDB。
备库：
[oracle@master2 ~]$ sqlplus / as sysdba
SQL*Plus: Release 12.2.0.1.0 Production on Wed Oct 25 01:29:10 2017
Copyright (c) 1982, 2016, Oracle. All rights reserved.
Connected to:
Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production
SQL> show pdbs;
CON_ID CON_NAME OPEN MODE RESTRICTED
---------- ------------------------------ ---------- ----------
2 PDB$SEED READ ONLY NO
3 ORCLPDB READ ONLY NO
4 TEST READ ONLY NO
5 TEST2 READ ONLY NO
6 TEST3 MOUNTED
SQL> alter system set enabled_PDBs_on_standby=ORCLPDB,TEST,TEST2 ;
System altered.
SQL> show parameter enabled_PDBs_on_standby;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
enabled_PDBs_on_standby string ORCLPDB, TEST, TEST2
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup nomount;
ORACLE instance started.
Total System Global Area 318767104 bytes
Fixed Size 8792152 bytes
Variable Size 251660200 bytes
Database Buffers 50331648 bytes
Redo Buffers 7983104 bytes
SQL> alter database mount standby database;
Database altered.
SQL> alter database open;
Database altered.
SQL> show pdbs;
CON_ID CON_NAME OPEN MODE RESTRICTED
---------- ------------------------------ ---------- ----------
2 PDB$SEED READ ONLY NO
3 ORCLPDB MOUNTED
4 TEST MOUNTED
5 TEST2 MOUNTED
6 TEST3 MOUNTED
SQL> show parameter ENABLED_PDBS_ON_STANDBY
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
enabled_PDBs_on_standby string ORCLPDB, TEST, TEST2
SQL>
SQL>
SQL> alter database recover managed standby database using current logfile disconnect;
alter database recover managed standby database using current logfile disconnect
*
ERROR at line 1:
ORA-01153: an incompatible media recovery is active
SQL> show pdbs;
CON_ID CON_NAME OPEN MODE RESTRICTED
---------- ------------------------------ ---------- ----------
2 PDB$SEED READ ONLY NO
3 ORCLPDB MOUNTED
4 TEST MOUNTED
5 TEST2 MOUNTED
SQL> exit
Disconnected from Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production
[oracle@master2 ~]$ cd
[oracle@master2 ~]$ cd /u01/
[oracle@master2 u01]$ ls
app arch
[oracle@master2 u01]$ d app/oracle/oradata/
-bash: d: command not found
[oracle@master2 u01]$ ls
app arch
[oracle@master2 u01]$ cd app/oracle/
[oracle@master2 oracle]$ ls
admin cfgtoollogs checkpoints diag oradata product tfa
[oracle@master2 oracle]$ cd oradata/
[oracle@master2 oradata]$ ls
orclstdydb
[oracle@master2 oradata]$ cd orclstdydb/
[oracle@master2 orclstdydb]$ ls
control01.ctl pdbseed redo03.log standby_redo03.log system01.dbf test2 users01.dbf
control02.ctl redo01.log standby_redo01.log standby_redo04.log temp01.dbf test3
orclpdb redo02.log standby_redo02.log sysaux01.dbf test undotbs01.dbf