oracle 关闭、开启归档模式
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2022-06-02 13:03:39
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1.管理员身份连接数据库
sqlplus sys/sys as sysdba
2.查看当前归档模式,是归档还是非归档
SQL> archive log list;
Database log mode No Archive Mode
Automatic archival Disabled
Archive destination USE_DB_RECOVERY_FILE_DEST
Oldest online log sequence 228
Current log sequence 230
3.关闭数据库
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
4.启动数据库到mount状态
SQL> startup mount;
ORACLE instance started.
Total System Global Area 3423965184 bytes
Fixed Size 2180544 bytes
Variable Size 2013268544 bytes
Database Buffers 1392508928 bytes
Redo Buffers 16007168 bytes
Database mounted.
5.启动归档模式
SQL> alter database archivelog;
Database altered.
SQL> archive log list;
Database log mode Archive Mode
Automatic archival Enabled
Archive destination USE_DB_RECOVERY_FILE_DEST
Oldest online log sequence 228
Next log sequence to archive 230
Current log sequence 230
6.启动数据库
SQL> alter database open;
Database altered.
7.关闭归档模式
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup mount;
ORACLE instance started.
Total System Global Area 3423965184 bytes
Fixed Size 2180544 bytes
Variable Size 2013268544 bytes
Database Buffers 1392508928 bytes
Redo Buffers 16007168 bytes
Database mounted.
SQL> alter database noarchivelog;
Database altered.
SQL> archive log list;
Database log mode No Archive Mode
Automatic archival Disabled
Archive destination USE_DB_RECOVERY_FILE_DEST
Oldest online log sequence 228
Current log sequence 230
SQL>
注意:startup mount启数据库,需要执行
SQL>alter database open;
如果没有mount参数,默认是open
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