Configure shared loader directory for Grid control

Hi,
I have been setting up grid control and a standby grid control according to the document MAA_WP_10gR2_EnterpriseManagerBestPractices.pdf
The part I am having trouble with is how to configure the shared loader directory.
Now my 2 servers are standalone, there is no shared storage. Can any one help in this configuration.
regards
Alan

Now my 2 servers are standalone, there is no shared storage. Can any one help in this configurationYou need a shared storage. Read more documentation for full configuration. That document is a best practice or overview.

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Problem Load Balancing connections for Grid Control Console on port 80!

I have two OMS and I'm balancing connections for Grid Control Console using a Software Load Balancer according with "Oracle Enterprise Manager Advanced Configuration". I have success where the load balancer is listening on port different to 80. When I configure Load Balancer to listen on port 80(architecture requirement) and distribute load between the two OMS(Port 7779), when login to Enterprise Manager Console the URL on the web browser changes to the port configured for HTTP server (port 7780) wich produces an "unable to connect" error message; and this behaviour also happends in some of the internal links of Grid Control Console too. Any ideas?
Thanks in advance!
Message was edited by:
user463224

I got it working, changing the "Port" directive to 80 on httpd.conf on HTTP Server

A possible bug for Grid control?

Hi, Dear all,
We installed Grid control 10.2.0.1 on Redhat Linux R3 with existing database(10.2.0.4).
During the installation, we succeeded for repository creating but failed at OMS Configuration.
When I start oms in cmd line, I got the following error: the repository database can not be connected.
The description for the environment:
1. OMS server and repository database are installed on the same server, on which HA is used.
2. There are two floating IP on this machine,
IP | server name | used for |
xx.xx.xx.124 | cnsz030318 | oms server |
xx.xx.xx.80 | oem.db.paci.com.cn | repository database |
3.When we installed the oms with OUI, the repository server we input is oem.db.paci.com.cn
The problem we found:
During the installation, the repository was created successfully. But it failed at OMS configuration.
The error we got: the repository database can not be connected.
there are two lines in emoms.properities which seems strange:
oracle.sysman.eml.mntr.emdRepServer=oem.db.paic.com.cn
oracle.sysman.eml.mntr.emdRepConnectDescriptor=(DESCRIPTION\=(ADDRESS_LIST\=(ADDRESS\=(PROTOCOL\=TCP)(HOST\=cnsz030318.db.paic.com.cn)(PORT\=1535)))(CONNECT_DATA\=(SID\=oem10g)))
The emdRepServer is what we have input on OUI:oem.db.paic.com.cn. But for the connectDescriptor, it is changed to "cnsz030318.db.paic.com.cn", which does not exist at all!.
Now, we have worked around this problem by adding "cnsz030318.db.paic.com.cn" in the /etc/hosts.
But my question is, why the connectDescriptor set the HOST\ as cnsz030318.db.paic.com.cn? Why does it not use the name we input in OUI (oem.db.paic.com.cn)?
Maybe it is a bug for Grid control?

Did you install with "Use existing database" or "Use new database"?
I recommend that you use fully qualified domain names only!
Best regards,
Martin Decker
www.ora-solutions.net
Edited by: mdecker on Jan 7, 2009 2:24 PM

Database limits for Grid control repository?

Document "Oracle® Database Licensing Information / 10g Release 2 (10.2)" [Part Number B14199-10] discusses the restricted use license of database for grid control repository and rman repository use.
nfrastructure Repository Databases A separate Oracle Database can be installed and used as a Recovery Manager (RMAN) repository without additional license requirements, provided that all the Oracle databases managed in this repository are correctly licensed. This repository database may also be used for the Oracle Enterprise Grid Control repository. It may not be used or deployed for other uses.
A separate Oracle Database can be installed and used as a Oracle Enterprise Manager Grid Control (OEM Grid Control) repository without additional license requirements, provided that all the targets (databases, applications, and so forth) managed in this repository are correctly licensed. This database may also be used for the RMAN repository. It may not be used or deployed for other uses.
There is no discussion of licensing requirements for options of the database (RAC, partitioning, etc) when the database stays within these repository use restrictions. Therefore it is unclear whether the Grid Control can be configured to provide appropriate monitoring without additional licenses.

This is the reply I received from release
management:
If they have deployed an EE edition of the database
as an OEM repository, and then want to protect that
with RAC or Data Guard, or make more Secure with ASO
or Database Vault, or indeed get any of the
additional benefits any of the options provide, then
they will need to license the option.
Let me know if that is still not clear, and I'll go
back again.Thanks.
There is a minor inconsistency in their response ... they say "if deployed on EE". However, as far as I know OEM repository required VPD, which is available only on Enterprise Edition (see http://download-east.oracle.com/docs/cd/B16240_01/doc/em.102/e10953/pre-installation_req.htm#CHDGIEAD)
However, it is quite clear that 'they' are telling us that the RAC option is not inherent in the "Special Use Licensing" as described http://download.oracle.com/docs/cd/B19306_01/license.102/b14199/editions.htm#CJAHFHBJ .
The implication (not necessarily a topic for this forum) is that the OEM is not guaranteed to be able to provide basic monitoring and reporting functionality without additional license fees to make OEM more highly available than the targets being monitored.
It would be nice to have the information about which Oracle products (database and app server) have included licenses with a basic Grid Control install and which require additional licenses as part of Chapter 1 of http://download.oracle.com/docs/cd/B19306_01/license.102/b40010/toc.htm (That document goes into excruciating detail about the extra packs, but ignores the basics.)
For that matter, since OEM Grid Control can not be purchased, it would be nice to have a list of products that provide license to install Grid Control, again in Chapter 1 of the Grid Control Licensing document listed above.
I appreciate your time in having dug into this.

Urgent-- Do we have 10.2.0.2 s/w for grid control on solairs environment

Hi,
Do we have 10.2.0.2 software for grid control management server on a sun solaris sparc environment? I see we have one for agent but we are not seeing anything w.r.t to OMS ?
Your help is appreciated!
Sravanthi.

The error we are getting is (from .err file ) :
oracle.cluster.verification.PreReqNotSupportedException: Reference data is not available for verifying prerequisites on this operating system distribution
at oracle.cluster.verification.constraints.XmlTaskFactory.getTasks(XmlTaskFactory.java:243)
at oracle.ops.verification.framework.util.VerificationUtil.isPreReqSupported(VerificationUtil.java:4494)
at oracle.ops.verification.framework.util.VerificationUtil.isPreReqSupported(VerificationUtil.java:4443)
at oracle.cluster.verification.ClusterVerification.isPreReqSupported(ClusterVerification.java:6382)
at oracle.install.driver.oui.OUISetupDriver.verifyEnvironment(OUISetupDriver.java:299)
at oracle.install.driver.oui.OUISetupDriver.load(OUISetupDriver.java:422)
at oracle.install.ivw.db.driver.DBSetupDriver.load(DBSetupDriver.java:161)
at oracle.install.commons.base.driver.common.Installer.run(Installer.java:216)
at oracle.install.ivw.db.driver.DBInstaller.run(DBInstaller.java:126)
at oracle.install.commons.util.Application.startup(Application.java:869)
at oracle.install.commons.flow.FlowApplication.startup(FlowApplication.java:164)
at oracle.install.commons.flow.FlowApplication.startup(FlowApplication.java:181)
at oracle.install.commons.base.driver.common.Installer.startup(Installer.java:265)
at oracle.install.ivw.db.driver.DBInstaller.startup(DBInstaller.java:114)
at oracle.install.ivw.db.driver.DBInstaller.main(DBInstaller.java:132)

What is Hardware/O.S. Recommendations for Grid Control server

I understand both Linux and Window servers are supported for Grid Control Installation.
However, since we are running Exadata database and cells, what would be your recommendation when we choose which O.S. we should run G.C. on?
Since the entire Exadata environment is running Linux, so, personally I'd prefer to use Linux server. But, what is your preference, and please detail your reasons.
Thank you!
Edited by: 943714 on Jul 12, 2012 9:37 AM

Grid Control (OEMGC 11g) for Windows is only available (certified) for 32 bit Windows. So you can run into memory limitations, dependeing on the number of agents/targets you will be monitoring. Second you have to install Cygwin on your Windows server if you want (or need) to be able to SSH to a Linux/Unix server. Installing Cygwin is very problematic to say the least.
If you would use OEMCC (12c), and I don't know why you wouldn't, you can install the 64 bit version for Windows however you still have to install Cygwin.
So in your case I would go for the Linux version.
Eric

Where are configure files for Grid Control components?

I installed Grid Control 11g on Redhat 5.2, the repository database is Oracle 11.2.0.2 on the same box. It worked after installation, but after some weeks, I restart oms and got error [oracle@cchbi bin]$ ./emctl start oms
Oracle Enterprise Manager 11g Release 1 Grid Control
Copyright (c) 1996, 2010 Oracle Corporation. All rights reserved.
Starting WebTier...
WebTier Successfully Started
Starting Oracle Management Server...
Oracle Management Server is not functioning because of the following reason:
Connection to the repository failed. Verify that the repository connection information provided is correct.Tried to google and search the forum, the message is not very selective and got few relevant resut.
Hope your exterts can point me to the configure file where I can verify the connetion to repository. Alos some one would share with me the knowledge on the following topics
1) What are the processes/components of Grid Control ? I am aware of oms, opmn, and a process run as /u01/app/midware/oms11g/ccr/bin/nmz -cron –silent. ANy others? What are their functions?
2) Location of configure files, log files and binary executables of this processes/components.
Many thnaks.

Hi,
to check if the OMS is running properly execute the command "emctl status oms" ($OMS_HOME/bin).
The result should be "Oracle Management Server is up".
To check which components are currently running execute the command "opmnctl status" ($OMS_HOME/opmn/bin).
The result should be something like:
Processes in Instance: EnterpriseManager0.<host
-----------------------------------------------------------+---------
ias-component | process-type | pid | status
-----------------------------------------------------------+---------
DSA | DSA | N/A | Down
LogLoader | logloaderd | N/A | Down
HTTP_Server | HTTP_Server | 26470 | Alive
dcm-daemon | dcm-daemon | 26301 | Alive
OC4J | home | 1953 | Alive
OC4J | OC4J_EMPROV | 1954 | Alive
OC4J | OC4J_EM | 26523 | Alive
WebCache | WebCache | 27085 | Alive
WebCache | WebCacheAdmin | 27086 | Alive
Executing this command will answer your question whioch components need/should be up when using OEM/GC.
You will find some logfiles of the OMS under $OMS_HOME/sysman/log (e.g. emoms.trc, emoms.log). Please check logfile OC4J~OC4J_EM~default_island~1 under $OMS_HOME/opmn/logs as well...
To start the OMS you might try the command "opmnctl startall"...
HTH

Can I make a Data Guard configuration using EM console without Grid Control

Can I make a Data Guard configuration using EM console without Grid Console?
Can I download Grid Console software from Oracle website without cost?

Assuming this is for 10g,
You could use Oracle® Data Guard Broker
Even you can download Grid Control software for free from Oracle site, you can't legally use it without license.

Error Configuring Database Instance Properties on Grid Control

Hi All,
My Grid Control is 11.1.0.1.0. I have installed and configured agents on other nodes and the OMS and the monitored Hosts are able to communicate. My problem is when I go to targets/Databases, when I select any database and click configure, I get an error "Error occurred while getting information for the specified target. Possible reasons include: the target doesn't exist; connection to the target failed."
I do not know why I'm getting this error because the agent on the OMS server is running, the agents on the monitored targets are all running and when I check the status, I see the agent is uploading data to OMS. Also When i go to targets/hosts, all the hosts are up.
How can I resolve this problem?
Thank you.

Eric S,
Could be a Firewall issue. See http://download.oracle.com/docs/cd/E11857_01/install.111/e16847/firewalls.htm#i1005951
Firewalls Between the Grid Control and a Managed Database Target
When you are using the Grid Control Console to manage a database, you must log in to the database from the Grid Control Console in order to perform certain monitoring and administration tasks. If you are logging in to a database on the other side of a firewall, you will need to configure the firewall to allow Oracle Net firewall proxy access.
Specifically, to perform any administrative activities on the managed database, you must be sure that the firewall is configured to allow the Oracle Management Service to communicate with the database through the Oracle Listener port.
You can obtain the Listener port by reviewing the Listener home page in the Grid Control Console.
You can check if Listener port 1521 (if that's the port you are using) is open by:
OMS_HOME/bin/tnsping "(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=hostname)(PORT=1521)))(CONNECT_DATA=(SID=sid)))"
If the database in a DMZ runs on Windows you may want to check note: Oracle Connections and Firewalls [ID 125021.1]
From the OMs-server you can ping the target server by FQDN and short name?
Eric

JBOSS Plugin for Grid Control 10.2.0.5

Hi,
I have configured two 4.2.2 JBOSS instances in our 10.2.0.5 grid control. In one JBOSS instance the application is deployed as an EAR file and in the second the application is deployed as a WAR file. The JBOSS instance using the EAR file does not show our EAR file under the Applications link in Grid Control, whereas the JBOSS instance with the WAR file correctly shows our WAR file in the applications link.
Are there any restrictions with the JBOSS plugin and EAR files?
Thanks
Mark

If you have DNS to resolve the host name and ip-address of the OMS server from the agent server thats ok. And the same goes for resolving the host name and ip-address of the OMS server from the server where the agent is installed.
You say it works now. So you have DNS working, and the OMS - agent connections work fine? Right? No need to add extra entries in the hosts files.
The note should probably say: if you don't use DNS then you should add the entries in the hosts file.

Need architecture/config details for GRID Control

Hi All,
I have scoured the Oracle documentation, but I am still interested in the details of the architecture and configuration of OEM Grid Control. I have installed version 10.2.. I want to know more about the various components, how they interact, how information flows in the configuration, how discovery and data collection works etc...
Can you point me to some resources, or maybe a person I can do on offline email conversation with???
catharine

Did you take a look at the Grid Control documentation? The links are under http://www.oracle.com/pls/db102/portal.portal_db?selected=21 and the doco for the different platforms are there.

Suggested concept for Grid Control with DataGuard solution

Hello,
I want a Disaster Recovery solution for OEM Grid Control with DataGuard but with only one OMS running. (11.1)
I have figured out the following.
Installation OEM Grid control om host A. Repository is created on Host A. Connection to database is done thru servicename DBGRDSRV on Host A
Installation OEM Grid control om host B. Repository is created on Host B. Connection to database is done thru servicename DBGRDSRV on Host B
I stop OMS on host B and I drop the database on Host B
Then....
I create a Dataguard configuration for DBGRDSRV, the prim database run on Host A en secondary on Host B
In case of a failure i switch the database. On host B i will have DBGRDSRV as the primary database
I start OMS on host B and the agent.
In case the failure is resolved i switch back eveything
Will thos concept work?
Do i get some troubles with the emkey, and if so, does anybody has a solution for this?
Any help is appreciated
Regards,
Jaap
Edited by: user9956284 on 28-jul-2011 10:44

Hi,
Please follow the document provided below:
How to Configure the OMS Connect String when Repository is in a Dataguard setup (Doc ID 1328768.1)
Let me know, if you are looking for the same document.
Best Regards,
Venkat

A problem for grid control agent installation.

Hi, All:
I am installing EM grid control agent installation in wanted server...
after agent installation and excuting root.sh, OUI start to run automatically Agent Configuration Assistant... then got an error, the reason for error from the log is :
Requesting an Oracle Wallet and Agent Key from the OMS... Failed.
Invalid Agent Registration Password.
The Agent has not been secured.
that means I put wrong agent registration password,
so how can I fix this in the mid way?
thanks a lot in advance.

I tried
emctl secure agent
when prompt for password:
(just type enter, leave it empty)
TZ set to US/Eastern
Oracle Enterprise Manager 10g Database Control Release 10.2.0.3.0
Copyright (c) 1996, 2006 Oracle Corporation. All rights reserved.
Enter Agent Registration password :
Stopping agent...
seems like that process is never ending....
then I typed CTL+C
..............................Failed to stop agent.

Atempt to start OMS for Grid Control 11g fails with - Unexpected error occu

Hello,
I am running Grid Control 11g.
Repository DB is 11.2.0.1
Both the Grid Control and DB server are running in same machine - redhat 5.
When trying to start the oms, this fails with the below error:
Oracle Enterprise Manager 11g Release 1 Grid Control
Copyright (c) 1996, 2010 Oracle Corporation. All rights reserved.
Starting WebTier...
WebTier Successfully Started
Starting Oracle Management Server...
Oracle Management Server is not functioning because of the following reason:
Unexpected error occurred. Check error and log files.
The emctl.log shows the following error which I am unable to debug:
2011-09-13 11:20:05,619 [main] DEBUG oms.StatusOMSCmd processStatusOMS.138 - HTTP port in emgc property file: 7202
2011-09-13 11:20:05,620 [main] DEBUG oms.StatusOMSCmd processStatusOMS.139 - HTTPS port in emgc property file: 7301
2011-09-13 11:20:05,620 [main] DEBUG oms.StatusOMSCmd processStatusOMS.155 - Using http port.
2011-09-13 11:20:05,620 [main] DEBUG oms.StatusOMSCmd processStatusOMS.195 - Attempting to connect to http://<host>.<domain>:7202/em/console/logon/logon
2011-09-13 11:23:05,596 [main] ERROR oms.StatusOMSCmd processStatusOMS.239 - Read timed out
java.net.SocketTimeoutException: Read timed out
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at HTTPClient.BufferedInputStream.fillBuff(BufferedInputStream.java:206)
at HTTPClient.BufferedInputStream.read(BufferedInputStream.java:126)
at HTTPClient.StreamDemultiplexor.read(StreamDemultiplexor.java:348)
at HTTPClient.RespInputStream.read(RespInputStream.java:147)
at HTTPClient.RespInputStream.read(RespInputStream.java:108)
at HTTPClient.Response.readResponseHeaders(Response.java:1107)
at HTTPClient.Response.getHeaders(Response.java:832)
at HTTPClient.Response.getStatusCode(Response.java:331)
at HTTPClient.RetryModule.responsePhase1Handler(RetryModule.java:92)
at HTTPClient.HTTPResponse.handleResponseImpl(HTTPResponse.java:872)
at HTTPClient.HTTPResponse.access$000(HTTPResponse.java:62)
at HTTPClient.HTTPResponse$2.run(HTTPResponse.java:839)
at HTTPClient.HTTPResponse$2.run(HTTPResponse.java:837)
at HTTPClient.HttpClientConfiguration.doAction(HttpClientConfiguration.java:666)
at HTTPClient.HTTPResponse.handleResponse(HTTPResponse.java:837)
at HTTPClient.HTTPResponse.getStatusCode(HTTPResponse.java:242)
at oracle.sysman.emctl.oms.StatusOMSCmd.processStatusOMS(StatusOMSCmd.java:199)
at oracle.sysman.emctl.wls.OMSController.statusOMS(OMSController.java:867)
at oracle.sysman.emctl.wls.OMSController.startOMS(OMSController.java:606)
at oracle.sysman.emctl.wls.OMSController.main(OMSController.java:213)
2011-09-13 11:23:05,597 [main] INFO wls.OMSController statusOMS.950 - statusOMS finished with result: 9
In emgc.properties, I have MSPORT=7202.
I have used the notes in Metalink 1287904.1, but without resolution.
I am able to connect with sqlplus, with user sysman, without issues. There are no invalid objects under sysman.
emoms.trc shows the following:
2011-09-11 15:51:53,160 [JobWorker 22356:Thread-108] WARN jdbc.ConnectionCache _getConnection.353 - Invalid or Stale Connection found in the Connection Cache
java.sql.SQLException: Invalid or Stale Connection found in the Connection Cache
Thank you for support.
Regards,
Horia
Edited by: horia.berca on Sep 13, 2011 5:29 AM
Edited by: horia.berca on Sep 13, 2011 5:32 AM
Edited by: horia.berca on Sep 13, 2011 5:35 AM
Edited by: horia.berca on Sep 13, 2011 5:45 AM

Hello again;
Check the solution in this: ( and note the multiple versions of oracle it covers )
UNABLE TO FIND GRID INFRASTRUCTURE LISTENER (Doc ID 1483234.1)
Best Regards
mseberg

CDB metrics for GRID CONTROL

Hello all,
We are working with CDB 10.2.0.0.0 and the GRID CONTROL AGENT 10.2 is installed so we would like to know some best practices, experiences, implemented tests,... that you can share after working with these products. Our aim is to have a large set of metrics so we can choose the most interesting ones.
In other words, we would like to get more metrics than the default defined ones. So we need people that have worked with the products to share their experiences.
Could you share some info with us (like custom SQL metrics)?
Particularly, we are interested in metrics like:
· Total size grouped by folder (all subfolders included)
o Consumed
o Allocated
· Total size grouped by library
o Allocated
· Web Services response time
o Of downloading a document
o Of getting the document info
o Of uploading documents
o Of searching a document
· DB response time
o Of downloading a document
o Of getting the document info
o Of uploading documents
o Of searching a document
· Get the status of an agent
· etcetera...
I used the sqlarea to get some metrics from WS calls. Do you have any advice for getting custom sql metrics?
Thanks in advance for your help.
Best regards.

Some numbers can be found in the documentation :
http://download.oracle.com/docs/cd/B19306_01/em.102/b40103/pre-installation_requirements.htm
Though I use more than 2 GB for the OMS installation (AIX).
You may also want to read Metalink note 375509.1 on agent resource consumption :
http://metalink.oracle.com/metalink/plsql/ml2_documents.showFrameDocument?p_database_id=NOT&p_id=375509.1

Configure shared loader directory for Grid control

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