Virtual 2008 r2, a 50 g space, not just choose the way to increase hard disk and scratched the second piece of 40 g, then delete this in a 40 g when checked the option in the figure, the space available but the ESXI does not recover, and in view of this virtual machine resources, still take up the space is 90 g, in 2008 r2 view 40 g hard disk information and without this, the change to do? This virtual machine has been applied, cannot be deleted,