Oracle Enterprise Manager
Cloud Control 12c Release 1 Installation on Oracle Linux 5.7 and 6.1
Enterprise Manager Cloud
Control is the new name for what was previously know as Enterprise Manager Grid
Control. Depending on the source of the material, you may still see the product
described as Grid Control. This article describes the installation of Oracle
Enterprise Manager Cloud Control 12c Release 1 on Oracle Linux 5.7 and 6.1.
(x86_64).
Software
Download the following
software:
- Oracle Linux 5.7 or 6.1 (x86_64)
- Oracle Database 11gR2 (11.2.0.3) (x86_64)
- Enterprise Manager Cloud Control 12c Release 1 (12.1.0.1) (x86_64)
Note. Previous versions
of the database can be used to hold the repository, but anything earlier than
11.2.0.2 will require additional patches.
OS Installation
Install Oracle Linux (OL)
5.7 or 6.1 in the same way you would for a regular Oracle Database
installation. You can see examples of these types of installations below.
Remember to check the relevant database installation article (listed below) for
the specific package group selection.
During this installation
I used a virtual machine with 6G RAM and 30G disk space. The swap size was set
at 8G and the firewall and SELinux were disabled.
Database Installation
Use one of the following
articles to install the 11.2.0.3 database.
- Oracle Database 11g Release 2 (11.2) Installation On Oracle Linux 5
- Oracle Database 11g Release 2 (11.2) Installation On Oracle Linux 6
The installation
documentation says the following packages are necessary for the cloud control
installation. If you have performed the database installation as described in
one of the above articles, these prerequisites will already have been met.
#
OL 5.x and 6.x
make-3*
binutils-2*
gcc-4*
libaio-0*
glibc-common-2*
libstdc++-4*
sysstat-5*
#
OL 5.x only
setarch-1*
rng-utils-2*
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 a directory to hold
the Middleware installation.
$
mkdir -p /u01/app/oracle/Middleware
Unzip the Cloud Control
media, the start the installation by running the "runInstller"
script.
$
unzip em12_linux64_disk1of2.zip
$
unzip em12_linux64_disk2of2.zip
$
./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 on OL5.7 should pass all
prerequisite checks. On OL6.1 there is one failure due to the presence of
"glibc-devel.i686", rather than the expected
"glibc-devel.i386". This can be ignored by pressing the "Ignore"
button, followed by the "Next" button.
Select the "Create a
new Enterprise Manager System" and "Simple" options, enter the
middleware home ("/u01/app/oracle/Middleware") and 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.
Check the additional
warnings, 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-gc12c.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.
You are presented with
the selected screen as the console homepage.
Startup/Shutdown
Use the following
commands to turn on all components installed by this article.
#!/bin/bash
export
ORACLE_HOME=/u01/app/oracle/product/11.2.0/db_1
export
OMS_HOME=/u01/app/oracle/Middleware/oms
export
AGENT_HOME=/u01/app/oracle/Middleware/agent/core/12.1.0.1.0
#
Start everything
$ORACLE_HOME/bin/dbstart
$ORACLE_HOME
$OMS_HOME/bin/emctl
start oms
$AGENT_HOME/bin/emctl
start agent
Use the following
commands to turn off all components installed by this article.
#!/bin/bash
export
ORACLE_HOME=/u01/app/oracle/product/11.2.0/db_1
export
OMS_HOME=/u01/app/oracle/Middleware/oms
export
AGENT_HOME=/u01/app/oracle/Middleware/agent/core/12.1.0.1.0
#
Stop everything
$OMS_HOME/bin/emctl
stop oms -all
$AGENT_HOME/bin/emctl
stop agent
$ORACLE_HOME/bin/dbshut
$ORACLE_HOME
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