After keepalived takes over from the host, the host does not seize the VIP and keepalivedvip

After keepalived takes over from the host, the host does not seize the VIP and keepalivedvip

In the lvs + keepalived environment, in order to reduce the unexpected risks caused by keepalived master-slave switchover, set the host to not preemptible after recovery.
Switch when the vrrp protocol notifies the standby server that it is unavailable. There are two major changes. (Red part)

You only need to modify the MASTER server state to state BACKUP and add nopreempt

 

! Configuration File for keepalived

Global_defs {
Notification_email {
Acassen@firewall.loc
}
Notification_email_from Alexandre.Cassen@firewall.loc
Smtp_server localhost
Smtp_connect_timeout 30
Router_id mfs_master
}

Vrrp_instance VI_1 {
State BACKUP
Interface eth1
Virtual_router_id 51
Priority100
Nopreempt
Advert_int 1
Authentication {
Auth_type PASS
Auth_pass 1111
}
Virtual_ipaddress {
192.168.0.11
}
}