系统：Anolis 7.9
数据库：oracle 11.2.0.4
问题描述：搭建dg在进行活动复制时遭遇ORA-00201告警，如下所示：
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of Duplicate Db command at 08/19/2022 14:16:18
RMAN-05501: aborting duplication of target database
RMAN-03015: error occurred in stored script Memory Script
RMAN-03009: failure of sql command on clone_default channel at 08/19/2022 14:16:18
RMAN-11003: failure during parse/execution of SQL statement: alter database mount standby database
ORA-00201: control file version 11.2.0.4.0 incompatible with ORACLE version 11.2.0.0.0
ORA-00202: control file: '/home/oracle/app/oracle/oradata/control01.ctl'
异常原因：
修改pfile文件时，少粘贴了*.compatible='11.2.0.4.0'参数.
