Install Haproxy Keppalived on CentOS 6.5
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内容图文
Haproxy/Keepalived Server1: 192.168.1.253
Haproxy/Keepalived Server2: 192.168.1.254
Haproxy/Keepalived VIP: 192.168.1.250
Haproxy/Keepalived Server1:
1. echo "net.ipv4.ip_nonlocal_bind = 1" >> /etc/sysctl.conf
sysctl -p
yum -y install keepalived haproxy
2. cp /etc/keepalived/keepalived.conf /etc/keepalived/keepalived.bak
vi /etc/keepalived/keepalived.conf
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 centos65-2
}
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 {
192.168.1.250
}
}
下面的都删除
1). Priority value will be higher on Master server
2). virtual_router_id should be same on both servers
3). By default single vrrp_instance support up to 20 virtual_ipaddress
3. service keepalived start; chkconfig keepalived on
ip addr show eth0
4. vi /etc/haproxy/haproxy.cfg
注释原有的frontend和backend
frontend web 192.168.1.250:8080
default_backend web
listen stats 192.168.1.253:8080
mode http
stats enable
stats uri /
backend web
balance leastconn
server web01 192.168.1.253:80 check
server web02 192.168.1.254:80 check
service haproxy start; chkconfig haproxy on
Haproxy/Keepalived Server2:
1. echo "net.ipv4.ip_nonlocal_bind = 1" >> /etc/sysctl.conf
sysctl -p
yum -y install keepalived haproxy
2. cp /etc/keepalived/keepalived.conf /etc/keepalived/keepalived.bak
vi /etc/keepalived/keepalived.conf
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 centos65
}
vrrp_instance VI_1 {
state BACKUP
interface eth0
virtual_router_id 51
priority 90
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
192.168.1.250
}
}
下面的都删除
3. service keepalived start; chkconfig keepalived on
ip addr show eth0
4. vi /etc/haproxy/haproxy.cfg
注释原有的frontend和backend
frontend web 192.168.1.250:8080
default_backend web
listen stats 192.168.1.254:8080
mode http
stats enable
stats uri /
backend web
balance leastconn
server web01 192.168.1.253:80 check
server web02 192.168.1.254:80 check
service haproxy start; chkconfig haproxy on
本文出自 “Ilovecat(个人笔记)” 博客，请务必保留此出处http://hj192837.blog.51cto.com/655995/1546076
原文：http://hj192837.blog.51cto.com/655995/1546076
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