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Chapter 4 Installing MegaRAID IDE on an Existing Installation 13

4 Installing MegaRAID IDE on an Existing

Installation

Installing MegaRAID IDE on an Existing Installation

If you have RedHat installed on your system and want to add additional storage, these are

the steps that you should follow.

• Upgrade the Linux Kernel to provide support for MegaRAID IDE

• Install MegaRAID IDE drive(s)

• Install the monitoring software

How to Upgrade the Kernel

The standard Redhat installation installs kernel 2.2.14-5. Redhat Linux kernel 2.2.14-5.0

does not come with support for the CMD chip on the MegaRAID IDE Card. The kernel

must be updated to kernel 2.2.16-22-MegaIDE. This kernel is only available on the LSI

Logic web site at http://www.lsilogic.com.

To upgrade the kernel, follow the steps below:

Step 1 Log on to your system as a super user and go to the /usr/src directory. Find a soft link

called "Linux" and remove it by using "rm Linux". Once the soft link is removed, copy the

2.2.16-MegaIDE kernel to this directory. Extract the file using “tar –zxvf

linux-2.2.16-MegaIDE.tgz. Create a softlink to this directory with the command

ln –s linux-2.2.16-MegaIDE linux

Step 2 In the directory /usr/src/linux run the command "make menuconfig". Under block devices

make sure the following options are selected:

<*>CMD640 chipset bugfix/support

<*>CMD640 enhanced support

<*>Generic PCI bus-master DMA support

<*>CMD64X chipset support

Exit menuconfig saving the configuration. Run the following commands:

"make clean"

"make depend"

"make bzImage"

"make modules"

"make modules_install"

"cp /usr/src/linux/arch/i386/boot/bzImage /boot/2.2.16-MegaIDE"

Step 3 The final steps involves editing the file lilo.conf. This file can be found in the directory

/etc. Open the file using the vi editor with the following command "vi /etc/lilo.conf" and

add the following lines to the file:

image =/boot/2.2.16

label =2.2.16

read-only

root=/dev/hda5

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