In the exclusive type mode, is the process of allocating user virtual machines correct?

In the exclusive type mode, is the process of allocating user virtual machines correct? ◎ ITA according to the IP of the virtual machine address, send a Ping request to the virtual machine; ②ITA sends a request to allocate a virtual machine to HDC; ③ITA sends a request to the virtual machine

The virtual machine sends a request to format the data disk and modify the computer name; ④ITA sends a query message to the DB for the virtual machine

request for information (single)