browse:
http://hostname:1810/emd
(更换主机后EMD无法使用)
Error!
IOException in sending Request :: Connection refused

方法一:

http://liypsky.itpub.net/post/42759/510769

方法二:
1)
[oracle@xxap3 infra]$ bin/emca -r

STARTED EMCA at Fri Jan 07 09:34:20 CST 2011
Enter the following information about the database to be configured
Listener port number: 389
Database SID: orcl
Service name: orcl.xxxx.com
Email address for notification:
Email gateway for notification:
Password for dbsnmp:
Password for sysman:
Password for sys:

-----------------------------------------------------------------
You have specified the following settings

2) ORACLE_HOME/opmn/conf
3) ORACLE_HOME/dcm/conf
4) ORACLE_HOME/sysman/emd
5) ORACLE_HOME/j2ee/OC4J_BI_Forms/config
6) ORACLE_HOME//Apache/Apache/conf


#服务名称备忘:

[oracle@xxap3 ~]$ $ORACLE_HOME/bin/opmnctl status

Processes in Instance: ias_infra.hostname.com
-------------------+--------------------+---------+---------
ias-component | process-type | pid | status
-------------------+--------------------+---------+---------
DSA | DSA | N/A | Down
LogLoader | logloaderd | N/A | Down
dcm-daemon | dcm-daemon | N/A | Down
OC4J | OC4J_SECURITY | 4479 | Alive
HTTP_Server | HTTP_Server | 4412 | Alive
OID | OID | 4416 | Alive

[oracle@mesap3 ~]$ $ORACLE_HOME/bin/opmnctl status

Processes in Instance: fr.hostname.com
-------------------+--------------------+---------+---------
ias-component | process-type | pid | status
-------------------+--------------------+---------+---------
DSA | DSA | N/A | Down
LogLoader | logloaderd | N/A | Down
dcm-daemon | dcm-daemon | N/A | Down
OC4J | home | 4664 | Alive
OC4J | OC4J_BI_Forms | 4665 | Alive
WebCache | WebCache | 4625 | Alive
WebCache | WebCacheAdmin | 4615 | Alive
HTTP_Server | HTTP_Server | 4618 | Alive