Before deleting an Instance or VM, you need to unassign the following services first:
Unassign Floating IP
Detach Storage
Unassign Security
The following is a list of VM instance contained in the application, for example i.e. Centos-Test.
In the Action column, click More, then click Delete Instance.
Click Delete Instance to delete or Cancel if you don't want to delete the VM instance
Deleted VM instance data no longer appears in the instance list.