vSphere 6.x and VAAI performance boost on VMAX

***Update - as more customers move to vSphere 6.x on VMAX, I expect this topic to be more poignant.  So I want to point out something about the changes detailed below.  The new changes for vSphere 6.x and XCOPY are ONLY for VMAX and no other arrays - not VNX, not XtremIO, not VPLEX, etc....