RAC下启动日志归档模式

将数据库调整为archive模式

（0）查看当前数据库是否为归档模式

[oracle@node1 ~]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.3.0 Production on Tue Jun 17 02:08:05 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, OLAP,

Data Mining and Real Application Testing options

SYS@PROD1> archive log list

Database log mode              No Archive Mode

Automatic archival             Disabled

Archive destination            USE_DB_RECOVERY_FILE_DEST

Oldest online log sequence     21

Current log sequence           22

（1）将该实例的cluster_database设置为false:

[oracle@node1 ~]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.3.0 Production on Tue Jun 17 01:52:47 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, OLAP,

Data Mining and Real Application Testing options

SYS@PROD1> alter system set cluster_database=false scope=spfile sid=‘prod1';

System altered.

(2)关闭所有访问该数据库的实例：

 

[oracle@node1 ~]$ su - grid

[grid@node1 ~]$ srvctl stop database -d prod

(3)使用本地实例挂载数据库：

[grid@node1 ~]$ su - oracle

[oracle@node1 ~]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.3.0 Production on Tue Jun 17 02:04:50 2014

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

Connected to an idle instance.

SYS@PROD1> startup mount

ORACLE instance started.

Total System Global Area 1269366784 bytes

Fixed Size                  2227984 bytes

Variable Size             838861040 bytes

Database Buffers          419430400 bytes

Redo Buffers                8847360 bytes

Database mounted.

(4)启动archive

SYS@PROD1> alter database archivelog;

Database altered.

(5)将实例prod1的参数cluster_database设为为true：

SYS@PROD1> alter system set cluster_database=true scope=spfile sid='prod1';

System altered.

(6) 关闭本地实例：

SYS@PROD1> shutdown immediate;

ORA-01109: database not open

Database dismounted.

ORACLE instance shut down.

(7) 启动所有实例

[grid@node1 ~]$ srvctl start database -d prod

(8) 查看启动归档日志后的结果

[oracle@node1 ~]$ sqlplus / as sysdba


SQL*Plus: Release 11.2.0.3.0 Production on Tue Jun 17 02:08:05 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, OLAP,
Data Mining and Real Application Testing options


SYS@PROD1> archive log list;
Database log mode              Archive Mode
Automatic archival             Enabled
Archive destination            USE_DB_RECOVERY_FILE_DEST
Oldest online log sequence     21
Next log sequence to archive   22
Current log sequence           22