In order to check whether the real server run service well or not, load balancing servers check the page that reads hanbiro.lvs at 2 second intervals from the real server to check the string 'hanbiro'. Unchecked real server is dropped normally from the cluster members. Failover Server is registered with the cluster members in real-time.
Detect HDD Error/ Kernel Panic/ Daemon Alive certain state/checking whether or not web access is normal automatically from , then if Clustered servers is not normal, distribution on the server will be removed from Load Balancer to build non-stop stystem.