The disk will then be assigned to the virtual machine selected. This will be confirmed by virtual machine you selected appearing within the shared disk's Associated virtual machines table, alongside the current attachment status.
Attaching the disk at a later time:
If you opted to not attach the shared disk to the machine you can do so later with the steps outlined in the attach shared disk to a virtual machine how-to guide.
Have you detached the disk?
You must detached the shared disk from the virtual machine prior to completing these steps.
Follow the below steps to unassign a shared disk from a given virtual machine. This will prevent the disk from being attached to the machine in question.
The shared disk will then be unassigned from the virtual machine.