The master node created on failover IP and listen for IP, only because is virtual, leading to a master node can PING
So is not going to use to listen to the external IP, and node 2 failover IP cannot PING, will result in automatic transfer problems,
See ali cloud documentation find need to buy a HAVIP, this only supports two ECS machine binding
As shown in the figure below:
Why a virtual IP again when failover IP again when listening for IP, who ali cloud take alwayson, trouble explain my question thank you.