keepalived双机热备配置
修改配置文件/etc/keepalived/keepalived.conf1.state行主机填MASTRT备机为BACKUP
2.priority行备机比主机小
3.virtual_ipaddress 所有虚拟IP地址,与virtual_server一一对应.
4.virtual_server{}包含real_server的IP和端口.real_server中添加connect_port 80标示连接端口
----------------------------------------配置文件示例-------------------------------------------
! 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 {
172.16.253.230
}
}
virtual_server 172.116.253.230 80 {
delay_loop 6
lb_algo rr
lb_kind NAT
nat_mask 255.255.255.0
persistence_timeout 50
protocol TCP
real_server 172.16.253.231 80 {
weight 1
SSL_GET {
connect_timeout 3
nb_get_retry 3
delay_before_retry 3
connect_port 80
}
}
real_server 172.16.253.232 80 {
weight 1
SSL_GET {
connect_timeout 3
nb_get_retry 3
delay_before_retry 3
connect_port 80
}
}
}
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