分别在两台服务器上安装
yum install keepliaved -y
配置文件
vim /etc/keepalived/keepalived.conf
! Configuration File for keepalived
global_defs {
notification_email {
}
notification_email_from [email protected]
smtp_server 192.168.200.1
smtp_connect_timeout 30
router_id keep01 #每个配置文件,该值都要不同
vrrp_mcast_group 224.0.0.19 #指定多播地址的配置
}
vrrp_instance VI_1 {
state MASTER #备为BACKUP
interface eth0
virtual_router_id 151 #主备相同
priority 200 #主比备大50以上
advert_int 1 #响应秒数
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress { #虚拟IP地址
192.168.0.39/24 dev eth0 label eth0:1
}
}
启动keeplaived 在主服务器上
ip addr
eth0 后会出现 192.168.0.39 地址
备服务器不会有,在主服务器down后,会在备服务器出现