Step By Step guide for installing Oracle RAC 11gR2 on Linux

Oracle Database 11gR2 RAC on Linux Install Guide

Introduction

Overview of new concepts in 11gR2 Grid Infrastructure

SCAN

GNS

OCR and Voting on ASM storage

Passwordless automatic SSH connectivity

Intelligent Platform Management interface (IPMI)

Time sync

Clusterware and ASM share the same Oracle Home

Hangchecktimer and oprocd are replaced

System Requirements

Hardware Requirements

 Network Hardware Requirements

IP Address Requirements

Installation method

Prepare the cluster nodes for Oracle RAC

User Accounts

Networking

Synchronizing the Time on ALL Nodes

Configuring Kernel Parameters

Set shell limits for the oracle user

Create the Oracle Inventory Directory

Creating the Oracle Grid Infrastructure Home Directory

Creating the Oracle Base Directory

Creating the Oracle RDBMS Home Directory

Stage the Oracle Software

Check OS Software Requirements

Prepare the shared storage for Oracle RAC

Shared Storage

Partition the Shared Disks

Installing and Configuring ASMLib

Using ASMLib to Mark the Shared Disks as Candidate Disks

Oracle Grid Infrastructure Install

Basic Grid Infrastructure Install (without GNS and IPMI)

Grid Infrastructure Home Patching

RDBMS Software Install

RAC Home Patching

Run ASMCA to create diskgroups

Run DBCA to create the database

Step By Step guide for installing Oracle RAC 11gR2 on Linux