To hotplug a new disk or network interface, go to the Datacenter | Node | VM | Hardware menu and then select an item from the Add drop-down menu. The dialog boxes to add these resources are similar to the dialog box for the VM creation process we have seen in an earlier section in this chapter. The Add drop-down menu is as shown in the following screenshot:
Although CPU and memory hotplug works for both Linux and Windows, ensure you run several tests before implementing them in a production environment. The CPU/memory hotplug can create an unstable situation for the VM, causing it to freeze and require a complete reboot.