Oracle RAC 11gR2 Grid Installation

Install the Grid Infrastructure

FTP the grid software to RAC1 /u01/sw/ & then unzip the software & change the permissions to “oracle” user

[oracle@rac1 grid]$cd /u01/sw/grid/

[oracle@rac1 grid]$ . runInstaller

gd1

Select “install and Configure Grid Infrastructure for a cluster” and Click Next

gd2

Click “Typical Installation” and Click Next

gd3

Click the “SSH Connectivity…” button and enter the password for the “oracle” user.

Click the “Setup” button to do configure SSH connectivity, and the “Test” button to test it once it is complete

gd4

Click the “Identify network interfaces…” button and check the public and private networks are specified correctly.

Once you are happy with them, click the “OK” button and the “Next” button on the previous screen.

gd5

gd6

Add rac2-vip.oracle.com to rac-scan and click Next

gd7

Fill the details as per above shown

gd9

Set the redundancy to “External”, select all 5 disks and click the “Next” button.

select Change Directory Path

and give this path as we created shared disks at this path only /dev/oracleasm/disks
and select Candidates disks & select all DISKS

gd10

Specify the path for Inventory Directory & next

gd11

If you are happy with the summary information, click the “Finish” button.

gd12

If you got any error about NTP(Network Time Protocal)

Follow the steps: on both rac1 and rac2 nodes

# service ntpd stop
Shutting down ntpd: [ OK ]
# chkconfig ntpd off
# mv /etc/ntp.conf /etc/ntp.conf.org
# rm /var/run/ntpd.pid
If you are using NTP, you must add the “-x” option into the following line in the “/etc/sysconfig/ntpd” file.
OPTIONS=”-x -u ntp:ntp -p /var/run/ntpd.pid”Then restart NTP.
# service ntpd restart
Starting ntpd: [ OK ]

mv /etc/ntp.conf.org /etc/ntp.conf

& Check Again it will be run successfully

Finish.

gd13

Wait while the setup takes place.

setup

run scripts as root user

gd14

The output from the “orainstRoot.sh” file should look something like that listed below.

Output of orainstRoot.sh :

gd16

gd17

Output of root.sh:RAC1 & RAC2

gd18

gd19

If you get any errors with +ASM then

perl /u01/app/11.2.0/grid/crs/install/rootcrs.pl -deconfig -force

and run root.sh again

Once the scripts have completed, return to the “Execute Configuration Scripts” screen on RAC1 and click the “OK” button.

gd20

Wait for the configuration assistants to complete.

gd21

The Configure Oracle Grid Infrastructure for a Cluster and Oracle Cluster Verification Utility failed in this installation.

I choose Skip to continue and then click the “Close” button to exit the installer.

see the note [ID 887471.1] & bug note [Bug 8901977]

Its a bug its not our fault.We can Ignore its due to DNS (If we are not using DNS it will give this error).

gd22

shutdown and
It is a good idea to make a backup before proceeding to the Database Installation.

after starting 2 nodes again use

[root@rac1 ~]#service ntpd restart

[root@rac2 ~]#service ntpd restart

And start Database Installation.

For Oracle RAC 11g2 Database Installation Follow the Link

Oracle RAC 11gR2 Database Installation

Nagulu Polagani

"We are all apprentices in a craft where no one ever becomes a master."