Centos7.5 下 oracle11g 启用归档模式

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启用归档模式
[[email protected] /]# su - oracle
[[email protected] ~]$ sqlplus sys/密码 as sysdba;

SQL*Plus: Release 11.2.0.4.0 Production on Sat Apr 1 09:30:16 2017

Copyright (c) 1982, 2013, Oracle. All rights reserved.

Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> alter system set log_archive_dest_1=‘LOCATION=/backup/archivelog optional‘;

System altered.

SQL> archive log list;
Database log mode No Archive Mode
Automatic archival Disabled
Archive destination /backup/archivelog
Oldest online log sequence 12
Current log sequence 14
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup mount;
ORACLE instance started.

Total System Global Area 1319473152 bytes
Fixed Size 2252984 bytes
Variable Size 838864712 bytes
Database Buffers 469762048 bytes
Redo Buffers 8593408 bytes
Database mounted.
SQL> alter database archivelog;

Database altered.

SQL> alter database open;

Database altered.

SQL> archive log list;
Database log mode Archive Mode
Automatic archival Enabled
Archive destination /backup/archivelog
Oldest online log sequence 12
Next log sequence to archive 14
Current log sequence 14
SQL> exit;

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