The document describes the steps to install Oracle 12cR2 RAC database software and create an Oracle RAC database on two nodes. It involves downloading the software, running the installer on both nodes after setting up SSH connectivity between them, and then using the Database Configuration Assistant to create the RAC database with the appropriate global database name, storage locations, and other configuration details.

1. Oracle 12cR2 RAC Database Software Installation and Create Database
Prepared by- Monowar Mukul (OCM 12c DBA / OCM 11g DBA) Page 1
Oracle 12cR2 RAC Database Software Installation
Download Software:
http://www.oracle.com/technetwork/database/enterprise-
edition/downloads/oracle12c-linux-12201-3608234.html
Extract zipped file :
unzip -d database linuxx64_12201_database.zip
oracle@racdb01::/u01/app/oracle/software/database
Setup Display variables:
$ export DISPLAY=192.168.56.1:0.0
oracle@racdb01::/u01/app/oracle/software/database
Install RAC database software:
$ ./runInstaller
Starting Oracle Universal Installer...
Checking Temp space: must be greater than 500 MB. Actual 7488 MB Passed
Checking swap space: must be greater than 150 MB. Actual 8152 MB Passed
Checking monitor: must be configured to display at least 256 colors. Actual
16777216 Passed Preparing to launch Oracle Universal Installer from
/tmp/OraInstall2017-03-04_08-50-07PM. Please wait
...oracle@racdb01::/u01/app/oracle/software/database
$ Logfile Location : /u01/app/oraInventory/logs/sshsetup1_2017-03-04_08-50-
07PM.log
ClusterLogger - log file location: /u01/app/oraInventory/logs/remoteInterfaces2017-03-
04_08-50-07PM.log

2. Oracle 12cR2 RAC Database Software Installation and Create Database
Prepared by- Monowar Mukul (OCM 12c DBA / OCM 11g DBA) Page 2
Click Next. Below message as I deselect for Oracle Support
Click Yes and Then next page "Install database software only"

3. Oracle 12cR2 RAC Database Software Installation and Create Database
Prepared by- Monowar Mukul (OCM 12c DBA / OCM 11g DBA) Page 3
For RAC Database
Select required nodes. In my case two nodes

4. Oracle 12cR2 RAC Database Software Installation and Create Database
Prepared by- Monowar Mukul (OCM 12c DBA / OCM 11g DBA) Page 4
Setup SSH Connectivity by click "SSH connectivity" button. Pass OS user and Password value
click OK. Next page Select Edition

5. Oracle 12cR2 RAC Database Software Installation and Create Database
Prepared by- Monowar Mukul (OCM 12c DBA / OCM 11g DBA) Page 5
Next define ORACLE_BASEand ORACLE_HOME paths
Check and pass required OS groups
In my case I ignored all the checksbased on my setup --

6. Oracle 12cR2 RAC Database Software Installation and Create Database
Prepared by- Monowar Mukul (OCM 12c DBA / OCM 11g DBA) Page 6
Ignore  y

7. Oracle 12cR2 RAC Database Software Installation and Create Database
Prepared by- Monowar Mukul (OCM 12c DBA / OCM 11g DBA) Page 7
Click Install
Need to run both nodes
oracle@racdb02::/home/oracle
$ root
aliases:+ASM2
root@racdb02::/root
$ /u01/app/oracle/product/12.2.0/db100/root.sh
The following environment variables are set as:
ORACLE_OWNER= oracle
ORACLE_HOME= /u01/app/oracle/product/12.2.0/db100
Enter the full pathname of the local bin directory: [/usr/local/bin]:
The contents of "dbhome" have not changed. No need to overwrite.
The contents of "oraenv" have not changed. No need to overwrite.
The contents of "coraenv" have not changed. No need to overwrite.
Entries will be added to the /etc/oratabfile as needed by
Database Configuration Assistant when a database is created
Finished runninggenericpart of root script.
Now product-specific root actions will be performed.
root@racdb01::/root

8. Oracle 12cR2 RAC Database Software Installation and Create Database
Prepared by- Monowar Mukul (OCM 12c DBA / OCM 11g DBA) Page 8
$ /u01/app/oracle/product/12.2.0/db100/root.sh
Performing root user operation.
The following environment variables are set as:
ORACLE_OWNER= oracle
ORACLE_HOME= /u01/app/oracle/product/12.2.0/db100
Enter the full pathname of the local bin directory: [/usr/local/bin]:
The contents of "dbhome" have not changed. No need to overwrite.
The contents of "oraenv" have not changed. No need to overwrite.
The contents of "coraenv" have not changed. No need to overwrite.
Entries will be added to the /etc/oratabfile as needed by
Database Configuration Assistant when a database is created
Finished runninggenericpart of root script.
Now product-specific root actions will be performed.
root@racdb01::/u01/app/oracle/product/12.2.0
oracle@racdb02::/home/oracle
$ root
aliases:+ASM2
root@racdb02::/root
$ /u01/app/oracle/product/12.2.0/db100/root.sh
Performing root user operation.
The following environment variables are set as:
ORACLE_OWNER= oracle
ORACLE_HOME= /u01/app/oracle/product/12.2.0/db100
Enter the full pathname of the local bin directory: [/usr/local/bin]:
The contents of "dbhome" have not changed. No need to overwrite.
The contents of "oraenv" have not changed. No need to overwrite.
The contents of "coraenv" have not changed. No need to overwrite.
Entries will be added to the /etc/oratabfile as needed by
Database Configuration Assistant when a database is created
Finished runninggenericpart of root script.
Now product-specific root actions will be performed.

9. Oracle 12cR2 RAC Database Software Installation and Create Database
Prepared by- Monowar Mukul (OCM 12c DBA / OCM 11g DBA) Page 9

10. Oracle 12cR2 RAC Database Software Installation and Create Database
Prepared by- Monowar Mukul (OCM 12c DBA / OCM 11g DBA) Page 10
Create an Oracle RAC database
From a terminal session go to $ORACLE_HOME/bin directory and execute dbca.
oracle@racdb01::/u01/app/oracle/product/12.2.0/db100/bin
$ ./dbca
On the Database Operation screen, click Next to accept the default selection
(Create Database).
On the Creation Mode screen,click Next to accept the default selection (Advanced Mode).

11. Oracle 12cR2 RAC Database Software Installation and Create Database
Prepared by- Monowar Mukul (OCM 12c DBA / OCM 11g DBA) Page 11
On the Database Template screen,click Next to accept the default settingsfor an Admin-
Managed RAC Database using the General Purpose template).
Select list of Nodes

12. Oracle 12cR2 RAC Database Software Installation and Create Database
Prepared by- Monowar Mukul (OCM 12c DBA / OCM 11g DBA) Page 12
Specify the Global Database Name (PMON1) and click Next and select “Create as Container
database.
Define Storage Locations screen | Database File Locations: +DATA

13. Oracle 12cR2 RAC Database Software Installation and Create Database
Prepared by- Monowar Mukul (OCM 12c DBA / OCM 11g DBA) Page 13
Specify Fast Recovery Area:+RECO and Fast Recovery Area Size. Click Next to continue.
For my test setup, I didn’t select Vault config

14. Oracle 12cR2 RAC Database Software Installation and Create Database
Prepared by- Monowar Mukul (OCM 12c DBA / OCM 11g DBA) Page 14
Define necessary configuration - (eg. Memory size , Character sets)

15. Oracle 12cR2 RAC Database Software Installation and Create Database
Prepared by- Monowar Mukul (OCM 12c DBA / OCM 11g DBA) Page 15
I deselect EM Database Express.
Specify the credential

16. Oracle 12cR2 RAC Database Software Installation and Create Database
Prepared by- Monowar Mukul (OCM 12c DBA / OCM 11g DBA) Page 16
On the Database Creation Options, click Create Database.
Prerequisite checksare performed – ignore if ok for your setup.
Validate the Summary screen. Click Finish to start the database
creation process

17. Oracle 12cR2 RAC Database Software Installation and Create Database
Prepared by- Monowar Mukul (OCM 12c DBA / OCM 11g DBA) Page 17
Follow the database creation process on the Progress Page. Click Close to quit the Database
Configuration Assistant.