In this blog section (10gRAC), we will learn how to install and configure two nodes on running Oracle RAC 10g Release 2 on Enterprise Linux 4.

Note: This step is intended for educational purposes only.

Here we are summaries the following task for implementing 10g RAC on RHEL4

1. Hardware Requirements and Overview
2. Install and Configure the RHEL 4 Server.

• Installation (On Both Node)
• Modify the /etc/hosts file (On Both Node)
• Configure the kernel parameters (On Both Node)
• Configure the hangcheck timer kernel module (On Both Node)
• Check Installed RPM’s (On Both Node)
• Setting the Correct Date and Time (On both Node)
• Create the oracle user (On Both Node)
• Create the oracle user environment file (On Both Node)
• Create the directory structure for oracle software and Clusterware (On Both Node)
• Setting Shell Limits for the oracle User (On Both Node)
• Establish user equivalence with SSH

3. Create disk partitions for OCFS2 and Oracle ASM. (On shared Disk Storage)
4. Map raw devices for ASM disks.
5. Configure Oracle Cluster File System (OCFS2)
6. Configure Oracle Automatic Storage Management (ASM)
7. Install Oracle Clusterware
8. Install Oracle Database 10g Release 2
9. Explore the RAC Database Environment
10. Test Transparent Application Failover (TAF)
11. Database Backup and Recovery 11.
12.Explore Oracle Enterprise Manager (OEM) Database Console
13.Common Issues