Information Technology Writeups: How to Install 12c Cloud Control For Database/RAC

Oracle Enterprise Manager is Oracle’s integrated enterprise IT management product line, which provides the industry’s only complete, integrated and business-driven enterprise cloud management solution. Oracle Enterprise Manager creates business value from IT by leveraging the built-in management capabilities of the Oracle stack for traditional and cloud environments, allowing customers to achieve unprecedented efficiency gains while dramatically increasing service levels.

lets start with installation the Oracle 12c Cloud Control For Database it is very simple with some pre reqs which are almost same as for oracle 12c, there are some packages which are required for Linux OS,

# OL 5.x and 6.x

yum install make-3*

yum install binutils-2*

yum install gcc-4*

yum install libaio-0*

yum install glibc-common-2*

yum install libstdc++-4*

yum install sysstat-*

yum install glibc-devel

# OL 6.x only

yum install glibc-devel.i686 (not installed already)

# OL 5.x only

yum install glibc-devel.i386

yum install setarch

yum install rng-utils-2*

yum install libXtst-1*

yum install xorg-x11-utils

If you have performed a default database installation you will need to deconfigure Enterprise Manager Database Control. Run the following command as the "oracle" user.

$ emca -deconfig dbcontrol db -repos drop -SYS_PWD <sys pasword> -SYSMAN_PWD <sysman password>

Make the following initialization parameter changes and restart the instance.

sqlplus / AS SYSDBA

ALTER SYSTEM SET processes=300 SCOPE=SPFILE;

ALTER SYSTEM SET session_cached_cursors=200 SCOPE=SPFILE;

ALTER SYSTEM SET sga_target=2G SCOPE=SPFILE;

ALTER SYSTEM SET shared_pool_size=600M SCOPE=SPFILE;

ALTER SYSTEM SET pga_aggregate_target=1G SCOPE=SPFILE;

ALTER SYSTEM SET job_queue_processes=20 SCOPE=SPFILE;

-- May be required if using older versions of DB.

--ALTER SYSTEM SET log_buffer=10485760 SCOPE=SPFILE;

--ALTER SYSTEM SET open_cursors=300 SCOPE=SPFILE;

-- Restart the instance.

SHUTDOWN IMMEDIATE

STARTUP

If you have done a default installation as described here, the UNDO tablespace will be autoextensible. If you have done a custom installation make sure the UNDO tablespace is at least 200M in size. Also, make sure you have 3 redo logs of at least 300M to prevent a warning during the installation.

The database installation is now complete.

Cloud Control 12c Installation

Make the following directories to hold the management server and agent.

$ mkdir -p /u01/app/oracle/oms12cr2

$ mkdir -p /u01/app/oracle/agent12cr2

Unzip the Cloud Control media, the start the installation by running the "runInstller" script.

$ mkdir em12cr2

$ unzip -d em12cr2 em12cr2_linux64_disk1.zip

$ unzip -d em12cr2 em12cr2_linux64_disk2.zip

$ unzip -d em12cr2 em12cr2_linux64_disk3.zip

$ cd em12cr2

$ ./runInstaller

If you wish to receive support information, enter the required details, or uncheck the security updates checkbox and click the "Next" button. Click the "Yes" button the subsequent warning dialog.

If you wish to check for updates, enter the required details, or check the "Skip" option and click the "Next" button.

If you have performed the prerequisites as described, the installation should pass all prerequisite checks. Click the "Next" button.

Enter the middleware and agent locations, then click the "Next" button.

Enter the administrator password and database repository details, then click the "Next" button.

On the first warning dialog, click the "Yes" button to disable the stats gathering job

If you have any additional warnings, check they don't look like show-stoppers, then click the "OK" button to continue.

If you are happy with the review information, click the "Install" button.

Wait while the installation and configuration take place.

When prompted, run the root scripts, then click the "OK" button.

Make note of the URLs, then click the "Close" button to exit the installer. A copy of this information is available in the "/u01/app/oracle/Middleware/oms/install/setupinfo.txt" file.

The login screen is available from a browser using the URL provided in the previous screen ("https://ol6-em12cr2.localdomain:7803/em"). Log in with the username "sysman" and the password you specified during your installation.

Once logged in, you are presented with a with the "License Agreement" screen. Click the "I Agree" button and you are presented with the homepage selector screen. Select the desired homepage (I chose Summary) and click the "Preview" button.