Deployment Guide

Deployment Guide 9
Configuring Hugemem Kernel
The Red Hat Enterprise Linux 4 hugemem kernel is required to configure the Oracle relational database
management system (RDBMS) to increase the size of the buffer cache above the default 1.7 GB value.
Using Dell Deployment CD 1, the Red Hat Enterprise Linux 4 hugemem kernel is installed by default.
Change the default boot parameters in the bootloader configuration file /etc/grub.conf to enable this option.
NOTE: Dell recommends that the hugemem kernel be used only on systems with more than 16 GB of RAM.
This kernel has some overhead which may degrade the performance on systems with less memory.
Configuring Red Hat Enterprise Linux
Log in as root on all the nodes and perform the following procedure:
1
Insert the Dell Deployment CD 2 into the CD drive.
If you are using a CD, type:
/media/cdrom/install.sh
If you are using a DVD, type:
/media/cdrecorder/install.sh
The contents of the CD are copied to the /usr/lib/dell/dell-deploy-cd directory.
When the copy procedure is completed, remove the CD from the CD drive by typing:
umount /dev/cdrom
2 Navigate to the directory containing the scripts installed from the Dell Deployment CD by typing:
cd /dell-oracle-deployment/scripts/standard
NOTE: Scripts discover and validate installed component versions and, when required, update components
to supported levels.
3 Configure the Red Hat Enterprise Linux for Oracle installation by typing:
./005-oraclesetup.py
4 Start the environment variables by typing:
source /root/.bash_profile
5 Verify that the processor, RAM, and disk sizes meet the minimum Oracle installation requirements
by typing:
./010-hwCheck.py
If the script reports that a parameter failed, update your hardware configuration and run the script again.