Home > OEM & Grid Control, Oracle Tools > OEM Configuration When the Database Host Name or IP Address Changes

OEM Configuration When the Database Host Name or IP Address Changes

The Enterprise Manager console will not work when database host name and / or IP address changes. We must run EMCA tool for reconfiguring the OEM database console. To do this, use the following commands.

emca -deconfig dbcontrol db -repos drop

emca -config dbcontrol db -repos create

or

emca -deconfig dbcontrol db

emca -config dbcontrol db -repos recreate

TNS konfigürasyonumuz değişir ise (Örneğin dinleyici(listener) portumuz değişirse), bu durumda yine EMCA aracı ile aşağıdaki gibi tekrar konfigürasyonumuzu yapabiliriz.

If our TNS configuration changes (for example, the listener (listener) port is changed), in this case we can still configure with the EMCA tool as follows.

emca -config dbcontrol db

Example: EMCA wants some information during repository drop and create operation. Such as SID, listener port number, SYS and SYSMAN passwords.

talip /oracle/ora11gR2> emctl stop dbconsole

Oracle Enterprise Manager 11g Database Control Release 11.2.0.2.0 Copyright (c) 1996, 2010 Oracle Corporation. All rights reserved.

http://dbtalip:1158/em/console/aboutApplication Stopping Oracle Enterprise Manager 11g Database Control … … Stopped.

talip /oracle/ora11gR2> emca -deconfig dbcontrol db -repos drop

STARTED EMCA at Nov 29, 2011 9:16:31 AM

EM Configuration Assistant, Version 11.2.0.0.2 Production Copyright (c) 2003, 2005, Oracle. All rights reserved.

Enter the following information:

Database SID: TEST11GR2

Listener port number: 1521

Password for SYS user:

Password for SYSMAN user:

———————————————————————- WARNING : While repository is dropped the database will be put in quiesce mode. ———————————————————————-

Do you wish to continue? [yes(Y)/no(N)]: y

Nov 29, 2011 9:16:53 AM oracle.sysman.emcp.EMConfig perform

INFO: This operation is being logged at

/oracle/cfgtoollogs/emca/TEST11GR2/emca_2011_11_29_09_16_30.log.

Nov 29, 2011 9:16:53 AM oracle.sysman.emcp.util.DBControlUtil stopOMS

INFO: Stopping Database Control (this may take a while) …

Nov 29, 2011 9:16:55 AM oracle.sysman.emcp.EMReposConfig invoke

INFO: Dropping the EM repository (this may take a while) …

Nov 29, 2011 9:19:15 AM oracle.sysman.emcp.EMReposConfig invoke

INFO: Repository successfully dropped Enterprise Manager configuration completed successfully FINISHED EMCA at Nov 29, 2011 9:19:18 AM

talip /oracle/ora11gR2> emca -config dbcontrol db -repos create

STARTED EMCA at Nov 29, 2011 9:19:25 AM

EM Configuration Assistant, Version 11.2.0.0.2 Production Copyright (c) 2003, 2005, Oracle. All rights reserved.

Enter the following information:

Database SID: TEST11GR2

Listener port number: 1521

Listener ORACLE_HOME [ /oracle/ora11gR2 ]:

Password for SYS user:

Password for DBSNMP user:

Password for SYSMAN user:

Email address for notifications (optional):

Outgoing Mail (SMTP) server for notifications (optional):

—————————————————————–

You have specified the following settings

Database ORACLE_HOME ……………. /oracle/ora11gR2

Local hostname ……………. dbtalip

Listener ORACLE_HOME ……………. /oracle/ora11gR2

Listener port number ……………. 1521

Database SID ……………. TEST11GR2

Email address for notifications ……………

Outgoing Mail (SMTP) server for notifications ……………

—————————————————————–

Do you wish to continue? [yes(Y)/no(N)]: y

Nov 29, 2011 9:19:46 AM oracle.sysman.emcp.EMConfig perform

INFO: This operation is being logged at

/oracle/cfgtoollogs/emca/TEST11GR2/emca_2011_11_29_09_19_24.log.

Nov 29, 2011 9:19:47 AM oracle.sysman.emcp.EMReposConfig createRepository

INFO: Creating the EM repository (this may take a while) …

Nov 29, 2011 9:26:16 AM oracle.sysman.emcp.EMReposConfig invoke

INFO: Repository successfully created

Nov 29, 2011 9:26:22 AM oracle.sysman.emcp.EMReposConfig uploadConfigDataToRepository

INFO: Uploading configuration data to EM repository (this may take a while) …

Nov 29, 2011 9:27:19 AM oracle.sysman.emcp.EMReposConfig invoke

INFO: Uploaded configuration data successfully

Nov 29, 2011 9:27:21 AM oracle.sysman.emcp.util.DBControlUtil secureDBConsole

INFO: Securing Database Control (this may take a while) …

Nov 29, 2011 9:27:31 AM oracle.sysman.emcp.util.DBControlUtil secureDBConsole

INFO: Database Control secured successfully.

Nov 29, 2011 9:27:31 AM oracle.sysman.emcp.util.DBControlUtil startOMS

INFO: Starting Database Control (this may take a while) …

Nov 29, 2011 9:28:09 AM oracle.sysman.emcp.EMDBPostConfig performConfiguration

INFO: Database Control started successfully

Nov 29, 2011 9:28:09 AM oracle.sysman.emcp.EMDBPostConfig performConfiguration

INFO: >>>>>>>>>>> The Database Control URL is https://dbtalip:1158/em <<<<<<<<<<<

Nov 29, 2011 9:28:13 AM 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 th file:

/oracle/ora11gR2/dbtalip_TEST11GR2/sysman/config/emkey.ora. Ensure this file is backed up as the encrypted data will becom unusable if this file is lost.

***********************************************************

Enterprise Manager configuration completed successfully

FINISHED EMCA at Nov 29, 2011 9:28:13 AM

talip /oracle/ora11gR2> emctl status dbconsole

Oracle Enterprise Manager 11g Database Control Release 11.2.0.2.0

Copyright (c) 1996, 2010 Oracle Corporation. All rights reserved. https://dbtalip:1158/em/console/aboutApplication

Oracle Enterprise Manager 11g is running. ——————————————————————

Logs are generated in directory /oracle/ora11gR2/dbtalip_TEST11GR2/sysman/log talip /oracle/ora11gR2>

 

Now, OEM is available.

Talip Hakan Öztürk

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