oracle归档模式RMAN如何开启

网络整理 - 07-27

  1,查看当前归档模式

  SQL> archive log list;

  Database log mode No Archive Mode

  Automatic archival Disabled

  Archive destination USE_DB_RECOVERY_FILE_DEST

  Oldest online log sequence 210

  Current log sequence 212

  2,重启数据库到mount状态

  SQL> shutdown immediate;

  Database closed.

  Database dismounted.

  ORACLE instance shut down.

  SQL> startup mount;

  ORACLE instance started.

  Total System Global Area 6442450944 bytes

  Fixed Size 2030368 bytes

  Variable Size 1358955744 bytes

  Database Buffers 5066719232 bytes

  Redo Buffers 14745600 bytes

  Database mounted.

  3,开启归档模式

  SQL> alter database archivelog;

  Database altered.

  4,打开数据库

  SQL> alter database open;

  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 210

  Next log sequence to archive 212

  Current log sequence 212

  SQL> archive log start;

  Statement processed.

  5,关闭归档模式的步骤

  SQL> startup mount;

  SQL> alter database noarchivelog;

  SQL> alter database open;

  6,9i和10g的区别

  9i中需要修改初始化参数

  log_archive_start = true

  10g中已经废弃该参数