I have 6 server, a server, 5 standby server, each server hard disk is full, the operating system is centOS7.6, business data is stored in the home,

My demand is that when the business data filled with home later can in turn transfer to other server, is the main business service and five standby server connection, the primary business data is stored in the home directory, in the main business server home directory is full, in turn, turn to other spare, spare 1 full turn standby after 2, and so on,

Could you tell me how to realize ah, everyone I'm a small white one, so please give me some details