CLUSTER
emca -reconfig dbcontrol -cluster -EM_NODE RACDBC1 -EM_SID_LIST RACDBC1 -EM_SID_LIST RACDBC2
emca -config dbcontrol db -repos create -cluster -EM_NODE RACDBC1 -EM_SID_LIST RACDBC1 -EM_SID_LIST RACDBC2
$ emca –config dbcontrol db –repos create
This example shows how to remove your database from Database Control:
$ emca –deconfig dbcontrol db –repos drop
This example instructs the EM configuration assistant to enable Database Control and configure backups for your database:
$ emca –config dbcontrol db –repos create –backup
$ emca –help
The web-based Enterprise Manager tool was introduced in Oracle 10g and has significant functionality improvements over previous versions. Even so, it seems there is not a day goes by without someone asking how to solve an Enterprise Manager configuration issue, so this article explains the first things you should look at. It's not meant to be an all encompassing guide. Just a first shot.
First, check the listener is running correctly.
lsnrctl statusIf you get something like the following, your listener is not running and you need to start it using the "lsnrctl start" command.
$ lsnrctl status
LSNRCTL for Linux: Version 11.1.0.7.0 - Production on 13-MAR-2009 13:32:49
Copyright (c) 1991, 2008, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
TNS-12541: TNS:no listener
TNS-12560: TNS:protocol adapter error
TNS-00511: No listener
Linux Error: 2: No such file or directory
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=oel5-11g.localdomain)(PORT=1521)))
TNS-12541: TNS:no listener
TNS-12560: TNS:protocol adapter error
TNS-00511: No listener
Linux Error: 111: Connection refused
$Next, check the Enterprise Manager service is running.
emctl start dbconsoleAssuming the console is already running, or fails to start, the next thing to do is to reconfigure Enterprise Manager. This is done using the Enterprise Manager Configuration Assistant (EMCA). For a first attempt, run the following command.
emca -config dbcontrol db -repos recreateIf it all goes well you would expect to see something like this.
$ emca -config dbcontrol db -repos recreate
STARTED EMCA at Mar 13, 2009 11:32:35 AM
EM Configuration Assistant, Version 11.1.0.7.0 Production
Copyright (c) 2003, 2005, Oracle. All rights reserved.
Enter the following information:
Database SID: DB11G
Database Control is already configured for the database DB11G
You have chosen to configure Database Control for managing the database DB11G
This will remove the existing configuration and the default settings and perform a fresh configuration
Do you wish to continue? [yes(Y)/no(N)]: Y
Listener port number: 1521
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 ................ /u01/app/oracle/product/11.1.0/db_1
Local hostname ................ oel5-11g.localdomain
Listener port number ................ 1521
Database SID ................ DB11G
Email address for notifications ...............
Outgoing Mail (SMTP) server for notifications ...............
-----------------------------------------------------------------
Do you wish to continue? [yes(Y)/no(N)]: Y
Mar 13, 2009 11:33:19 AM oracle.sysman.emcp.EMConfig perform
INFO: This operation is being logged at /u01/app/oracle/cfgtoollogs/emca/DB11G/emca_2009_03_13_11_32_35.log.
Mar 13, 2009 11:33:20 AM oracle.sysman.emcp.util.PortManager isPortInUse
WARNING: Specified port 5540 is already in use.
Mar 13, 2009 11:33:20 AM oracle.sysman.emcp.util.PortManager isPortInUse
WARNING: Specified port 5520 is already in use.
Mar 13, 2009 11:33:20 AM oracle.sysman.emcp.util.PortManager isPortInUse
WARNING: Specified port 1158 is already in use.
Mar 13, 2009 11:33:20 AM oracle.sysman.emcp.util.PortManager isPortInUse
WARNING: Specified port 3938 is already in use.
Mar 13, 2009 11:33:20 AM oracle.sysman.emcp.util.DBControlUtil stopOMS
INFO: Stopping Database Control (this may take a while) ...
Mar 13, 2009 11:33:22 AM oracle.sysman.emcp.EMReposConfig invoke
INFO: Dropping the EM repository (this may take a while) ...
Mar 13, 2009 11:35:12 AM oracle.sysman.emcp.EMReposConfig invoke
INFO: Repository successfully dropped
Mar 13, 2009 11:35:12 AM oracle.sysman.emcp.EMReposConfig createRepository
INFO: Creating the EM repository (this may take a while) ...
Mar 13, 2009 11:40:06 AM oracle.sysman.emcp.EMReposConfig invoke
INFO: Repository successfully created
Mar 13, 2009 11:40:11 AM oracle.sysman.emcp.EMReposConfig uploadConfigDataToRepository
INFO: Uploading configuration data to EM repository (this may take a while) ...
Mar 13, 2009 11:41:01 AM oracle.sysman.emcp.EMReposConfig invoke
INFO: Uploaded configuration data successfully
Mar 13, 2009 11:41:07 AM oracle.sysman.emcp.util.DBControlUtil configureSoftwareLib
INFO: Software library configured successfully.
Mar 13, 2009 11:41:07 AM oracle.sysman.emcp.EMDBPostConfig configureSoftwareLibrary
INFO: Deploying Provisioning archives ...
Mar 13, 2009 11:41:16 AM oracle.sysman.emcp.EMDBPostConfig configureSoftwareLibrary
INFO: Provisioning archives deployed successfully.
Mar 13, 2009 11:41:16 AM oracle.sysman.emcp.util.DBControlUtil secureDBConsole
INFO: Securing Database Control (this may take a while) ...
Mar 13, 2009 11:41:28 AM oracle.sysman.emcp.util.DBControlUtil secureDBConsole
INFO: Database Control secured successfully.
Mar 13, 2009 11:41:28 AM oracle.sysman.emcp.util.DBControlUtil startOMS
INFO: Starting Database Control (this may take a while) ...
Mar 13, 2009 11:42:31 AM oracle.sysman.emcp.EMDBPostConfig performConfiguration
INFO: Database Control started successfully
Mar 13, 2009 11:42:34 AM oracle.sysman.emcp.EMDBPostConfig performConfiguration
INFO: >>>>>> The Database Control URL is https://oel5-11g.localdomain:1158/em <<<<<<
Mar 13, 2009 11:42:48 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 the file: /u01/app/oracle/product/11.1.0/db_1/oel5-11g.localdomain_DB11G/sysman/config/emkey.ora. Please ensure this file is backed up as the encrypted data will become unusable if this file is lost.
***********************************************************
Enterprise Manager configuration completed successfully
FINISHED EMCA at Mar 13, 2009 11:42:48 AM
$If this fails, then de-configure and configure Enterprise Manager.
emca -deconfig dbcontrol db -repos drop
emca -config dbcontrol db -repos createThe deconfig will look something like this.
$ emca -deconfig dbcontrol db -repos drop
STARTED EMCA at Mar 13, 2009 12:09:48 PM
EM Configuration Assistant, Version 11.1.0.7.0 Production
Copyright (c) 2003, 2005, Oracle. All rights reserved.
Enter the following information:
Database SID: DB11G
Listener port number: 1521
Password for SYS user:
Password for SYSMAN user:
Do you wish to continue? [yes(Y)/no(N)]: Y
Mar 13, 2009 12:10:07 PM oracle.sysman.emcp.EMConfig perform
INFO: This operation is being logged at /u01/app/oracle/cfgtoollogs/emca/DB11G/emca_2009_03_13_12_09_47.log.
Mar 13, 2009 12:10:08 PM oracle.sysman.emcp.util.DBControlUtil stopOMS
INFO: Stopping Database Control (this may take a while) ...
Mar 13, 2009 12:10:31 PM oracle.sysman.emcp.EMReposConfig invoke
INFO: Dropping the EM repository (this may take a while) ...
Mar 13, 2009 12:11:56 PM oracle.sysman.emcp.EMReposConfig invoke
INFO: Repository successfully dropped
Enterprise Manager configuration completed successfully
FINISHED EMCA at Mar 13, 2009 12:12:02 PM
$The config will look something like this.
$ emca -config dbcontrol db -repos create
STARTED EMCA at Mar 13, 2009 12:37:27 PM
EM Configuration Assistant, Version 11.1.0.7.0 Production
Copyright (c) 2003, 2005, Oracle. All rights reserved.
Enter the following information:
Database SID: DB11G
Listener port number: 1521
Password for SYS user:
Password for DBSNMP user:
Password for SYSMAN 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 ................ /u01/app/oracle/product/11.1.0/db_1
Local hostname ................ oel5-11g.localdomain
Listener port number ................ 1521
Database SID ................ DB11G
Email address for notifications ...............
Outgoing Mail (SMTP) server for notifications ...............
-----------------------------------------------------------------
Do you wish to continue? [yes(Y)/no(N)]: Y
Mar 13, 2009 12:37:54 PM oracle.sysman.emcp.EMConfig perform
INFO: This operation is being logged at /u01/app/oracle/cfgtoollogs/emca/DB11G/emca_2009_03_13_12_37_27.log.
Mar 13, 2009 12:37:55 PM oracle.sysman.emcp.EMReposConfig createRepository
INFO: Creating the EM repository (this may take a while) ...
Mar 13, 2009 12:42:03 PM oracle.sysman.emcp.EMReposConfig invoke
INFO: Repository successfully created
Mar 13, 2009 12:42:07 PM oracle.sysman.emcp.EMReposConfig uploadConfigDataToRepository
INFO: Uploading configuration data to EM repository (this may take a while) ...
Mar 13, 2009 12:42:57 PM oracle.sysman.emcp.EMReposConfig invoke
INFO: Uploaded configuration data successfully
Mar 13, 2009 12:42:59 PM oracle.sysman.emcp.util.DBControlUtil configureSoftwareLib
INFO: Software library configured successfully.
Mar 13, 2009 12:42:59 PM oracle.sysman.emcp.EMDBPostConfig configureSoftwareLibrary
INFO: Deploying Provisioning archives ...
Mar 13, 2009 12:43:07 PM oracle.sysman.emcp.EMDBPostConfig configureSoftwareLibrary
INFO: Provisioning archives deployed successfully.
Mar 13, 2009 12:43:07 PM oracle.sysman.emcp.util.DBControlUtil secureDBConsole
INFO: Securing Database Control (this may take a while) ...
Mar 13, 2009 12:43:20 PM oracle.sysman.emcp.util.DBControlUtil secureDBConsole
INFO: Database Control secured successfully.
Mar 13, 2009 12:43:20 PM oracle.sysman.emcp.util.DBControlUtil startOMS
INFO: Starting Database Control (this may take a while) ...
Mar 13, 2009 12:44:17 PM oracle.sysman.emcp.EMDBPostConfig performConfiguration
INFO: Database Control started successfully
Mar 13, 2009 12:44:17 PM oracle.sysman.emcp.EMDBPostConfig performConfiguration
INFO: >>>>>> The Database Control URL is https://oel5-11g.localdomain:5500/em <<<<<<
Mar 13, 2009 12:44:21 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/11.1.0/db_1/oel5-11g.localdomain_DB11G/sysman/config/emkey.ora. Please ensure this file is backed up as the encrypted data will become unusable if this file is lost.
***********************************************************
Enterprise Manager configuration completed successfully
FINISHED EMCA at Mar 13, 2009 12:44:21 PM
EJEMPLO
$ emca -repos create
$ emca -config dbcontrol db
STARTED EMCA at Fri May 14 10:43:22 MEST 2004
Enter the following information about the database
to be configured.
Listener port number: 1521
Database SID: AKI1
Service name: AKI1.WORLD
Email address for notification: martin dot zahn at akadia dot ch
Email gateway for notification: mailhost
Password for dbsnmp: xxxxxxx
Password for sysman: xxxxxxx
Password for sys: xxxxxxx
---------------------------------------------------------
You have specified the following settings
Database ORACLE_HOME: /opt/oracle/product/10.1.0
Enterprise Manager ORACLE_HOME: /opt/oracle/product/10.1.0
Database host name ..........: akira
Listener port number .........: 1521
Database SID .................: AKI1
Service name .................: AKI1
Email address for notification: martin dot zahn at akadia dot ch
Email gateway for notification: mailhost
---------------------------------------------------------
Do you wish to continue? [yes/no]: yes
AM oracle.sysman.emcp.EMConfig updateReposVars
INFO: Updating file ../config/repository.variables ...
Now wait about 10 Minutes to complete!
M oracle.sysman.emcp.EMConfig createRepository
INFO: Creating repository ...
M oracle.sysman.emcp.EMConfig perform
INFO: Repository was created successfully
M oracle.sysman.emcp.util.PortQuery findUsedPorts
INFO: Searching services file for used port
AM oracle.sysman.emcp.EMConfig getProperties
...........
...........
INFO: Starting the DBConsole ...
AM oracle.sysman.emcp.EMConfig perform
INFO: DBConsole is started successfully
INFO: >>>>>>>>>>> The Enterprise Manager URL is http://akira:5500/em <<<<<<<<<<<
Enterprise Manager configuration is completed successfully
FINISHED EMCA at Fri May 14 10:55:25 MEST 2004
Try to connect to the database Control
http://akira:5500/em
If you look at the installed schemas, you can now find the SYSMAN schema, which is the database Control Repository.
Troubleshooting
If you have troubles to connect, check your local configuration which can be found in $ORACLE_HOME/
$ pwd
/opt/oracle/product/10.1.0/akira_AKI1/sysman/config
$ ls -l
-rw-r--r-- b64InternetCertificate.txt
-rw-r--r-- emagentlogging.properties
-rw-r--r-- emd.properties
-rw-r--r-- emomsintg.xml
-rw-r--r-- emomslogging.properties
-rw-r--r-- emoms.properties
-rw-r--r-- OUIinventories.add
The most important file is emoms.properties, where you can find all the configuration parameters.
#Fri May 14 10:54:49 CEST 2004
oracle.sysman.emSDK.svlt.ConsoleServerName=
akira_Management_Service
oracle.sysman.eml.mntr.emdRepPwd=0b878f6184e8319d
emdrep.ping.pingCommand=/bin/ping
oracle.sysman.eml.mntr.emdRepPort=1521
oracle.sysman.eml.mntr.emdRepDBName=AKI1.WORLD
oracle.sysman.emSDK.svlt.ConsoleMode=standalone
oracle.sysman.emRep.dbConn.statementCacheSize=30
oracle.sysman.db.isqlplusUrl=
http\://akira\:5560/isqlplus/dynamic
oracle.sysman.emSDK.svlt.ConsoleServerPort=5500
oracle.sysman.eml.mntr.emdRepRAC=FALSE
oracle.sysman.emSDK.emd.rt.useMonitoringCred=true
oracle.sysman.eml.mntr.emdRepPwdEncrypted=TRUE
oracle.sysman.db.isqlplusWebDBAUrl=
http\://akira\:5560/isqlplus/dba/dynamic
oracle.sysman.emSDK.svlt.ConsoleServerHost=akira
oracle.sysman.emSDK.svlt.ConsoleServerHTTPSPort=5500
oracle.sysman.eml.mntr.emdRepServer=akira
oracle.sysman.eml.mntr.emdRepSID=AKI1
oracle.sysman.emSDK.sec.ReuseLogonPassword=true
oracle.sysman.eml.mntr.emdRepConnectDescriptor=
(DESCRIPTION\=(ADDRESS_LIST\=
(ADDRESS\=(PROTOCOL\=TCP)(HOST\=akira)(PORT\
=1521)))(CONNECT_DATA\=(SERVICE_NAME\=AKI1)))
oracle.sysman.eml.mntr.emdRepUser=SYSMAN
oracle.sysman.db.adm.conn.statementCacheSize=2
oracle.sysman.db.perf.conn.statementCacheSize=30
Automatically start and stop the DB-Console
$ emctl start dbconsole
$ emctl stop dbconsole
$ emctl status dbconsole
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