重置oracle EM

shell # su - oracle
shell $ emca -deconfig dbcontrol -repos drop // 此乃删除em档案库

Enter the following information:
Database SID: orcl
Listener port number: 1521
Listener ORACLE_HOME [ /u01/app/oracle/product/11.2.0/dbhome_1 ]:
Password for SYS user: oracle
Password for DBSNMP user: oracle
Password for SYSMAN user: oracle
Email address for notifications (optional): 回车
Outgoing Mail (SMTP) server for notifications (optional): 回车
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WARNING : While repository is dropped the database will be put in quiesce mode.
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Do you wish to continue? [yes(Y)/no(N)]: y

shell $ emca -config dbcontrol db -repos create //重建em档案库

Enter the following information:
Database SID: orcl
Listener port number: 1521
Listener ORACLE_HOME [ /u01/app/oracle/product/11.2.0/dbhome_1 ]:
Password for SYS user: oracle
Password for DBSNMP user: oracle
Password for SYSMAN user: oracle
Email address for notifications (optional): 回车
Outgoing Mail (SMTP) server for notifications (optional): 回车
-----------------------------------------------------------------

You have specified the following settings

Database ORACLE_HOME ................ /u01/app/oracle/product/11.2.0/dbhome_1

Local hostname ................ dbserver1.ocp.com
Listener ORACLE_HOME ................ /u01/app/oracle/product/11.2.0/dbhome_1
Listener port number ................ 1521
Database SID ................ orcl
Email address for notifications ...............
Outgoing Mail (SMTP) server for notifications ...............

-----------------------------------------------------------------
----------------------------------------------------------------------
WARNING : While repository is dropped the database will be put in quiesce mode.
----------------------------------------------------------------------
Do you wish to continue? [yes(Y)/no(N)]: y
Aug 18, 2013 7:03:25 PM oracle.sysman.emcp.EMConfig perform
INFO: This operation is being logged at /u01/app/oracle/cfgtoollogs/emca/orcl/emca_2013_08_18_19_03_08.log.
Aug 18, 2013 7:03:27 PM oracle.sysman.emcp.EMReposConfig invoke
INFO: Dropping the EM repository (this may take a while) ...
Aug 18, 2013 7:03:29 PM oracle.sysman.emcp.EMReposConfig invoke
INFO: Repository successfully dropped
Aug 18, 2013 7:03:29 PM oracle.sysman.emcp.EMReposConfig createRepository
INFO: Creating the EM repository (this may take a while) ...
Aug 17, 2013 11:30:28 PM oracle.sysman.emcp.EMReposConfig invoke
INFO: Repository successfully created
Aug 17, 2013 11:30:50 PM oracle.sysman.emcp.EMReposConfig uploadConfigDataToRepository
INFO: Uploading configuration data to EM repository (this may take a while) ...
Aug 17, 2013 11:32:34 PM oracle.sysman.emcp.EMReposConfig invoke
INFO: Uploaded configuration data successfully
Aug 17, 2013 11:32:39 PM oracle.sysman.emcp.util.DBControlUtil secureDBConsole
INFO: Securing Database Control (this may take a while) ...
Aug 17, 2013 11:32:49 PM oracle.sysman.emcp.util.DBControlUtil secureDBConsole
INFO: Database Control secured successfully.
Aug 17, 2013 11:32:49 PM oracle.sysman.emcp.util.DBControlUtil startOMS
INFO: Starting Database Control (this may take a while) ...
Aug 17, 2013 11:36:13 PM oracle.sysman.emcp.EMDBPostConfig performConfiguration
INFO: Database Control started successfully
Aug 17, 2013 11:36:15 PM oracle.sysman.emcp.EMDBPostConfig performConfiguration
INFO: >>>>>>>>>>> The Database Control URL is https://dbserver1.ocp.com:5500/em <<<<<<<<<<<
Aug 17, 2013 11:36:37 PM oracle.sysman.emcp.EMDBPostConfig invoke
WARNING:
************************ WARNING ************************

Management Repository has been placed in secure mode wherein Enterprise Manager data will be encrypted. The encryption key has been placed in the file: /u01/app/oracle/product/11.2.0/dbhome_1/dbserver1.ocp.com_orcl/sysman/config/emkey.ora. Ensure this file is backed up as the encrypted data will become unusable if this file is lost.

***********************************************************
Enterprise Manager configuration completed successfully