oracle 11g em重建

ORA-00955:[/b] 名称已由现有对象使用[/b]

1，删除早期DBCONSOLE创建的用户：
drop role MGMT_USER;

drop user MGMT_VIEW cascade;

drop user sysman cascade;
2，删除早期DBCONSOLE创建的对象：

drop PUBLIC SYNONYM MGMT_TARGET_BLACKOUTS;

drop public synonym SETEMVIEWUSERCONTEXT;

drop public synonym MGMT_AVAILABILITY;

drop public synonym MGMT_CURRENT_AVAILABILITY;

drop public synonym MGMT_SEVERITY_OBJ
3，重新创建DBCONSOLE：
emca -config dbcontrol db -repos recreate

创建一个EM资料库

emca -repos create

重建一个EM资料库

emca -repos recreate
删除一个EM资料库

emca -repos drop

配置数据库的 Database Control

emca -config dbcontrol db

删除数据库的 Database Control配置

emca -deconfig dbcontrol db

重新配置db control的端口，默认端口在1158

emca -reconfig ports

emca -reconfig ports -dbcontrol_http_port 1158

emca -reconfig ports -agent_port 3940

先设置ORACLE_SID环境变量后,启动EM console服务

emctl start dbconsole

先设置ORACLE_SID环境变量后,停止EM console服务

emctl stop dbconsole

先设置ORACLE_SID环境变量后,查看EM console服务的状态

emctl status dbconsole

配置dbconsole的步骤

emca -repos create

emca -config dbcontrol db

emctl start dbconsole

重新配置dbconsole的步骤

emca -repos drop

emca -repos create

emca -config dbcontrol db