#HOWTO Install LVS on Centos 5.3
#10/12/09
#Install Packages
sudo yum install -y Cluster_Administration-en-US.noarch piranha.i386 / piranha.x86_64
#Set to start on boot
sudo chkconfig pulse on
sudo chkconfig piranha-gui on (primary node only)
#Start Piranah WebUI and set passwd
sudo /usr/sbin/piranha-passwd
sudo /sbin/service piranha-gui start #(listens on port 3636)
#Set Access restrictions to web interface (localhost only)
sudo vi /etc/sysconfig/ha/web/secure/.htaccess
----
Order deny,allow
Deny from all
Allow from 127.0.0.1
----
#Turn on Packet Forwarding
sudo vi /etc/sysctl.conf
net.ipv4.ip_forward = 1
/sbin/sysctl -w net.ipv4.ip_forward=1 #(manually set)
#Apply Firewall Changes
iptables -A RH-Firewall-1-INPUT -p udp -m udp --dport 539 -j ACCEPT #port for pulse
iptables -A RH-Firewall-1-INPUT -p tcp -m tcp --dport 3636 -j ACCEPT #port for piranah webUI
iptables -A RH-Firewall-1-INPUT -m pkttype --pkt-type multicast -j ACCEPT #allow multicast packets for arp failover
#Layout
#Interfaces
Master Backup
----------------------------------
Public: 172.16.1.133 Public: 172.16.1.134
Private: 10.0.1.2 Private: 10.0.1.3
Public floating VIP 172.16.1.136, 172.16.1.137, 172.16.1.138 etc...
Private VIP 10.0.1.254 (gateway for real servers)
#/etc/sysconfig/ha/lvs.cf
serial_no = 91
primary = 172.16.1.133
primary_private = 10.0.1.2
service = lvs
backup_active = 1
backup = 172.16.1.134
backup_private = 10.0.1.3
heartbeat = 1
heartbeat_port = 539
keepalive = 6
deadtime = 18
network = nat
nat_router = 10.0.1.254 eth1:1
nat_nmask = 255.255.255.255
debug_level = 1
monitor_links = 1
syncdaemon = 0
virtual webservers {
active = 1
address = 172.16.1.136 eth0:1
vip_nmask = 255.255.255.0
port = 80
send = "GET / HTTP/1.0\r\n\r\n"
expect = "HTTP"
use_regex = 0
load_monitor = none
scheduler = wlc
protocol = tcp
timeout = 6
reentry = 15
quiesce_server = 0
server A {
address = 10.0.1.5
active = 1
weight = 1
}
}
