RAC oracle删除数据库

24：
site2-DMS1:~ # su - oracle
oracle@site2-DMS1:~> sqlplus / as sysdba

SQL*Plus: Release 11.2.0.3.0 Production on Fri Mar 21 10:29:28 2014

Copyright (c) 1982, 2011, Oracle. All rights reserved.

Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, Oracle Label Security,
OLAP, Data Mining, Oracle Database Vault and Real Application Testing options

SQL> select status from v$instance;

STATUS
------------------------------------
MOUNTED

SQL> show parameter cluster_database;

NAME TYPE
------------------------------------ ---------------------------------
VALUE
------------------------------
cluster_database boolean
TRUE
cluster_database_instances integer
2
SQL> shutdown immediate;
ORA-01109: database not open

Database dismounted.
ORACLE instance shut down.
SQL> sqlplus / as sysdba
SP2-0734: unknown command beginning "sqlplus /..." - rest of line ignored.
SQL> startup;
ORACLE instance started.

Total System Global Area 3290345472 bytes
Fixed Size 2232840 bytes
Variable Size 1962937848 bytes
Database Buffers 1308622848 bytes
Redo Buffers 16551936 bytes
Database mounted.
Database opened.
SQL> alter system set cluster_database=false scope=both
2 ;
alter system set cluster_database=false scope=both
*
ERROR at line 1:
ORA-02095: specified initialization parameter cannot be modified

SQL> alter system set cluster_database=false scope=spfile;

System altered.

SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup mount restrict;
ORACLE instance started.

Total System Global Area 3290345472 bytes
Fixed Size 2232840 bytes
Variable Size 1962937848 bytes
Database Buffers 1308622848 bytes
Redo Buffers 16551936 bytes
Database mounted.
SQL> select logins,parallel from v$instance;

LOGINS PARALLEL
------------------------------ ---------
RESTRICTED NO

SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64 bit Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, Oracle Label Security,
OLAP, Data Mining, Oracle Database Vault and Real Application Testing options
oracle@site2-DMS1:~> rman target / nocatalog

Recovery Manager: Release 11.2.0.3.0 - Production on Fri Mar 21 10:32:55 2014

Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.

connected to target database: ORA11G (DBID=4235703729, not open)
using target database control file instead of recovery catalog

RMAN> drop database including backups;

database name is "ORA11G" and DBID is 4235703729

Do you really want to drop all backups and the database (enter YES or NO)? NO

RMAN> drop database;

database name is "ORA11G" and DBID is 4235703729

Do you really want to drop the database (enter YES or NO)? YES
database dropped

25：
site2-DMS2:~ # su - oracle
oracle@site2-DMS2:~> sqlplus / as sysdba

SQL*Plus: Release 11.2.0.3.0 Production on Fri Mar 21 10:31:34 2014

Copyright (c) 1982, 2011, Oracle. All rights reserved.

Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, Oracle Label Security,
OLAP, Data Mining, Oracle Database Vault and Real Application Testing options

SQL> select status from v$instance;

STATUS
------------------------------------
MOUNTED

SQL> shutdown immediate;
ORA-01109: database not open

Database dismounted.
ORACLE instance shut down.
SQL>