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Oracle 11gR2 two node step by step installation
guide on Linux using Virtual Box 4.1.4
Mohamed Azar.
Database Administrator, Blogger, Contributor, Book Reviewer
http://mohamedazar.wordpress.com
reach me at [email protected]
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Please check my rac install guide on vmware server, If you have question.
http://mohamedazar.wordpress.com/2011/07/27/oracle-11gr2-two-node-
real-application-cluster-installation-step-by-step-guide-on-linux-using-vmware-server/ Step 1: Pre-requisites
Before Start my installation, the below recommanded Memory Configuration needed for you. In this case onle you can smoothly install RAC . If you’re plan to Install Two node RAC on your virtual machine, Each node want atleast minimum 2GB RAM as per Oracle 11gR2 Installation recommand. So you need atelast minimum 6GB RAM for your laptop. 4 GB for Virtual Machine, remaining for your windows .
Step 2: Download Software Download VMware Server and Install http://downloads.vmware.com/d/info/datacenter_downloads/vmware_server/2_0?hl=en&rlz=&q=vmware%20server%20download&aq=f&aqi=g10&aql=&oq= Download Oracle Enterprise Linux 32 Bit https://edelivery.oracle.com/linux Download Oracle Software Grid Infrastructure and Database Software http://www.oracle.com/technetwork/database/enterprise-edition/downloads/112010-linuxsoft-085393.html
Step 3: Install Oracle Enterprise Linux on Virtual Box 4.1.4 Open Virtual Box.
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Select 2GB RAM minimum Create new hard disk
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Choose hard disk location
Start Linux Installation…
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IP Address Configuration
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Here subnetmask is 255.255.255.0
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Linux Installation completed successfully.
Install Guest Additions
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After installed guest additions successfully, just restart the server.
Oracle Installation Prerequisites.
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Edit Hosts (Public ipaddress 192.68.2.102 for racnode2, not 182)
Kernel Parameter /etc/sysctl.conf
/etc/security/limits.conf
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/etc/pam.d/login
cat /etc/selinux/config
The Oracle Cluster Time Synchronization Service (ctssd) can synchronize the times of the RAC nodes. In this case we will reconfigure NTP.
User and Group creation
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Directory create
Bash_profile as oracle user.
[root@racnode1 ~]# su - oracle
[oracle@ racnode1 ~]$vi .bash_profile
RPM Packages
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Shutdown NODE 1 machine. [root@racnode1 ~]#shutdown –h now
Create three shared Disk
Now Restart the NODE 1 racnode1 machine and after restarted, partition your disks like below
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Do It as same again procedure for other remaining Disks.
ASMLIB Install
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Shutdown NODE 1 machine.
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[root@racnode1 ~]#shutdown –h now
Manually clone the racnode1.vdi disk using the following commands on the host server.
Create the "racnode2" virtual machine in VirtualBox in the same way as you did for
"racnode1", with the exception of using an existing racnode2.vdi virtual hard drive.
Add two network adapters.
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Attach shared disks to racnode2 machine.
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Edit .bash_profile for racnode2.
Edit hosts
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Ping ipaddress both node
ssh configure
racnode1
racnode2
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racnode1
racnode2
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Cluvfy pre –requisites check 11gR2 we would probably use the "runcluvfy.sh" utility in the clusterware root directory to check the prerequisites have been met.
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Grid Infrastructure installation
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Execute both root scripts on both node one by one.
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Do it as same like racnode2 also.
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Grid Infrastructure installation completed successfully.
Database Software Install
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Run the above root scripts on both node.
Check whether the created database on both node working properly or not.
racnode1
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racnode2