Installation guide

Section 3.1:Steps for Installing and Initializing the Cluster Software 55

3 Cluster Software Installation and

Configuration

After installing and configuring the cluster hardware, the cluster system software can be installed. The

following sections describe installing and initializing of cluster software, checking cluster configura-

tion, configuring syslog event logging, and using the cluadmin utility.

3.1 Steps for Installing and Initializing the Cluster

Software

Before installing Red Hat Cluster Manager, be sure to install all of the required software, as de-

scribed in Section 2.3.1, Kernel Requirements.

In order to preserve the existing cluster configuration database when running updates to the cluster

software, back up the cluster database and stop the cluster software before reinstallation. See Section

8.7, Updating the Cluster Software for more information.

To install Red Hat Cluster Manager, invoke the command rpm --install clumanager-

.rpm, where x is the version of Red Hat Cluster Manager currently available. This package is

installed by default in Red Hat Linux Advanced Server so it is typically not necessary to manually

install this individual package.

To initialize and start the cluster software, perform the following tasks:

1. Edit the /etc/sysconfig/rawdevices file on both cluster systems and specify the raw

device special files and character devices for the primary and backup quorum partitions. See Con-

figuring Quorum Partitions in Section 2.4.4 and Section 3.1.1, Editing the

rawdevices

File for

more information.

2. Run the /sbin/cluconfig utility on one cluster system. If updating the cluster software, the utility

will inquire before using the the existing cluster database. The utility will remove the cluster

database if it is not used.

The utility will prompt for the following cluster-specific information, which will be entered into

the

member fields in the cluster database. A copy of this is located in the /etc/cluster.conf

file:

• Raw device special files for the primary and backup quorum partitions, as specified

in the /etc/sysconfig/rawdevices file (for example, /dev/raw/raw1 and

/dev/raw/raw2)

• Cluster system host names that are returned by the hostname command