yum install keepalived -y
/Etc/keepalived.conf modify configuration files, to achieve high availability status
vim /etc/keepalived/keepalived.conf
! Configuration File for keepalived
global_defs {
router_id MASTER # primary write MASTER, prepared to write BACKUP
}
vrrp_instance VI_1 {
state MASTER # primary write MASTER, prepared to write BACKUP
Effective NIC of the machine interface eth0 #
virtual_router_id 51 # high-availability cluster group in the id
priority 100 # priority weights, the primary value is higher than the standby
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
Virtual VIP 192.168.108.200 #
}
}
systemctl start keepalived
systemctl enable keepalived