更改Oracle数据库的归档模式

2.修改参数
alter system set log_archive_dest='/arch' scope=both;
alter system set log_archive_start=TRUE scope=spfile;

3.停止Oracle
shutdown immediate

4.启动Oracle
startup mount
alter database archivelog
alter database open

5.测试归档切换
alter system switch logfile
/
/

6.注：Oracle10不用加log_archive_start参数