Configuring High availability clusters in CentOS

First, overview:

System: Centos5.0

Cluster Software: Heartbeat

Node 1IP (main): 192.168.1.105

Node 2IP (from): 192.168.1.106

Virtual ip:192.168.1.102

Using Uname-n results on Node 1 must be node01, and uname-n results must also be NODE02 on Node 2. IP 192.168.1.102 is a virtual IP used for webserver.

Download and install package and configuration:

1. The following software packages are required:

heartbeat-2.1.2

heartbeat-2.1.2

heartbeat-stonith-2.1.2

You can also use the Yum-y install heartbeat for installation.

2. Configuring heartbeat on each node requires the following three files:

Authkeys, HA.CF, haresources, they exist in the/etc/ha.d/directory.

3, create the above mentioned three files:

cp /usr/share/doc/heartbeat-2.1.2/authkeys　/etc/ha.d/5
cp /usr/share/doc/heartbeat-2.1.2/ha.cf　/etc/ha.d/5
cp /usr/share/doc/heartbeat-2.1.2/haresources　/etc/ha.d/