IPVS-DR+keepalived实现高可用负载均衡集群

[root@lvs-master~] # vi vip.sh

#!/bin/bash 
VIP=200.10.1.10 
/sbin/ifconfig eth0:0 $VIP broadcast $VIP netmask 255.255.255.255 up 
/sbin/route add -host $VIP dev eth0:0

[root@MASTER~]# ./vip.sh

[root@MASTER~]# echo “/root/vip.sh”>> /etc/rc.local

[root@MASTER~] #rpm –ivh ipvsadm-1.24-10.i386.rpm

[root@MASTER~] # ipvsadm –A –t 200.10.1.10:80 –s rr –p 600

[root@MASTER~]# ipvsadm –a –t 200.10.1.10:80 –r 200.10.1.3:80 –g -w 1

[root@MASTER~]# ipvsadm –a –t 200.10.1.10:80 –r 200.10.1.4:80 –g -w 1

[root@MASTER~]# ipvsadm-save > /etc/sysconfig/ipvsadm

[root@MASTER~]# service ipvsadm start

[root@MASTER~]# tar zxf keepalived-1.2.2.tar.gz

[root@MASTER~]# cd keepalived-1.2.2

[root@MASTER~]# ./configure && make && make install

[root@MASTER~]# find / -name keepalived //查看keepalived安装后产生的相前目录和文件的位置

[root@MASTER~]# cp /usr/local/etc/rc.d/init.d/keepalived /etc/rc.d/init.d/

[root@MASTER~]# cp /usr/local/etc/sysconfig/keepalived /etc/sysconfig/

[root@MASTER~]# mkdir /etc/keepalived

[root@MASTER~]# cp /usr/local/etc/keepalived/keepalived.conf /etc/keepalived/

[root@MASTER~]# cp /usr/local/sbin/keepalived /usr/sbin/

[root@MASTER~]# vi /etc/keepalived/keepalived.conf

! Configuration File for keepalived

global_defs { 
notification_email { 
acassen@firewall.loc 
failover@firewall.loc 
sysadmin@firewall.loc 
} 
notification_email_from Alexandre.Cassen@firewall.loc 
smtp_server 192.168.200.1 
smtp_connect_timeout 30 
router_id LVS_DEVEL 
} 
vrrp_instance VI_1 { 
state MASTER 
interface eth0 
virtual_router_id 51 
priority 100 
advert_int 1 
authentication { 
auth_type PASS 
auth_pass 1111 
} 
virtual_ipaddress { 
200.10.1.10 
} 
}

virtual_server 200.10.1.10 80 { 
delay_loop 6 
lb_algo rr 
lb_kind DR 
# nat_mask 255.255.255.0 
persistence_timeout 50 
protocol TCP

real_server 200.10.1.3 80 { 
weight 3 
SSL_GET { 
url { 
path / 
digest ff20ad2481f97b1754ef3e12ecd3a9cc 
} 
url { 
path /mrtg/ 
digest 9b3a0c85a887a256d6939da88aabd8cd 
} 
connect_timeout 3 
nb_get_retry 3 
delay_before_retry 3 
} 
}

real_server 200.10.1.4 80 { 
weight 3 
SSL_GET { 
url { 
path / 
digest ff20ad2481f97b1754ef3e12ecd3a9cc 
} 
url { 
path /mrtg/ 
digest 9b3a0c85a887a256d6939da88aabd8cd 
} 
connect_timeout 3 
nb_get_retry 3 
delay_before_retry 3 
} 
} 
}