yum install keepalivedvi /etc/keepalived/keepalived.conf<code>vrrp_script chk_haproxy {script "pidof haproxy" interval 2}vrrp_instance VI_1 { debug 2 interface eth0 # interface to monitor state MASTER virtual_router_id 51 # Assign one ID for this route priority 101 # 101 on master, 100 on backup unicast_src_ip x.x.x.x # My IP unicast_peer { x.x.x.x # Peer IP } track_script { chk_haproxy } virtual_ipaddress { x.x.x.x dev eth0 }}</code>Backupvi /etc/keepalived/keepalived.conf<code>vrrp_script chk_haproxy {script "pidof haproxy" interval 2}vrrp_instance VI_1 { debug 2 interface eth0 # interface to monitor state BACKUP virtual_router_id 51 # Assign one ID for this route priority 100 # 101 on master, 100 on backup unicast_src_ip x.x.x.x # My IP unicast_peer { x.x.x.x # Peer IP } track_script { chk_haproxy } virtual_ipaddress { x.x.x.x dev eth0 }}</code>ip a