OS：ubuntu 7.10
VIP:192.168.6.7
keepalived:192.168.6.3
keepalived:192.168.6.4
apache:192.168.6.5
apache2:192.168.6.6
在 keepalived和keepalived2 hosts 添加
192.168.6.3 keepalived
192.168.6.4 keepalived2
软件：ipvsadm keepalived
一. keepalived 和 keeplived2安装
1.apt-get install ipvsadm keepalived
2.在 /etc/keepalived 里添加一个keepalived.conf 文件默认是没有的，
vim keepalived.conf
global_defs {
notification_email {
[email]ludy@edgora.com[/email]
}
notification_email_from [email]keepalived@staff.sina.com.cn[/email]
smtp_server 127.0.0.1
smtp_connect_timeout 30
router_id LVS_DEVEL
}
notification_email {
[email]ludy@edgora.com[/email]
}
notification_email_from [email]keepalived@staff.sina.com.cn[/email]
smtp_server 127.0.0.1
smtp_connect_timeout 30
router_id LVS_DEVEL
}
vrrp_instance VI_1 {
state MASTER # keepalived2 机器为 BAUCK
interface eth0
virtual_router_id 51
priority 102 # keepalived 机器为 101
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
192.168.6.7
}
}
virtual_server 192.168.6.7 80 {
delay_loop 6
lb_algo rr
lb_kind DR
persistence_timeout 50 # 默认50秒钟都访问同一台机器
protocol TCP
state MASTER # keepalived2 机器为 BAUCK
interface eth0
virtual_router_id 51
priority 102 # keepalived 机器为 101
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
192.168.6.7
}
}
virtual_server 192.168.6.7 80 {
delay_loop 6
lb_algo rr
lb_kind DR
persistence_timeout 50 # 默认50秒钟都访问同一台机器
protocol TCP
real_server 192.168.6.5 80 {
weight 1
TCP_CHECK {
connect_port 80
connect_timeout 30
}
}
real_server 192.168.6.6 80 {
weight 1
TCP_CHECK {
connect_port 80
connect_timeout 30
}
}
}
weight 1
TCP_CHECK {
connect_port 80
connect_timeout 30
}
}
real_server 192.168.6.6 80 {
weight 1
TCP_CHECK {
connect_port 80
connect_timeout 30
}
}
}
1.apache 安装与配置不多说，在默认页面
apache:192.168.6.5 index.html 5
apache2:192.168.6.6 index.html 6
2.在 /etc/sysctl.conf 添加
net.ipv4.ip_forward=0
net.ipv4.conf.lo.arp_ignore=1
net.ipv4.conf.lo.arp_announce=2
net.ipv4.conf.all.arp_ignore=1
net.ipv4.conf.all.arp_announce=2
net.ipv4.conf.lo.arp_ignore=1
net.ipv4.conf.lo.arp_announce=2
net.ipv4.conf.all.arp_ignore=1
net.ipv4.conf.all.arp_announce=2
3.修改 /etc/network/interfaces 固定IP 和 轮循 lo:0
auto lo
iface lo inet loopback
iface lo inet loopback
auto lo:0
iface lo:0 inet static
address 192.168.6.7
netmask 255.255.255.255
# The primary network interface
auto eth0
iface eth0 inet static
address 192.168.6.5 #apache 2 为 address 192.168.6.6
netmask 255.255.255.0
gateway 192.168.6.1
iface lo:0 inet static
address 192.168.6.7
netmask 255.255.255.255
# The primary network interface
auto eth0
iface eth0 inet static
address 192.168.6.5 #apache 2 为 address 192.168.6.6
netmask 255.255.255.0
gateway 192.168.6.1
三.测试
在 keepalived 和 keepalived2 上启动服务~
/etc/init.d/keepalived start
然后在 浏览器上 输入 192.168.6.7 显示 5
在打开一个浏览器输入 192.168.6.7 显示 6
说明 lvs工作正常
然后把 apache 5 停掉
在ha上执行
root@ha:/etc/default# ipvsadm -ln
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
TCP 192.168.6.7:80 rr persistent 50
-> 192.168.6.6:80 Route 1 2 1
只显示有 6 ``说明`` keepalived 工作正常
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
TCP 192.168.6.7:80 rr persistent 50
-> 192.168.6.6:80 Route 1 2 1
只显示有 6 ``说明`` keepalived 工作正常
把 apache 5启来``
把ha 网卡禁掉``
在用浏览器 访问 192.168.6.7 显示 网页``说明正常```
ps: php session 共享同步请看我写的blog ，呵呵简单的web集群！
本文转自Deidara 51CTO博客，原文链接：http://blog.51cto.com/deidara/95078，如需转载请自行联系原作者