R001 : VMware HA must be functional.
R002 : VMware SRM can be used between two sites for DR processes.
R003 : You must be able to see all hosts from a single pane of glass.
From these requirements :
A vSphere 5.0 VCSA can provides an acceptable solution.
A vSphere 5.0 Windows-based vCenter can provide an acceptable
The requirements cannot be met.
Explanation :
The VCSA can function with VMware SRM. However, for SRM functionality, both sites require a vCenter installation. This would limit the choice of single-glass-pane management to Linked mode. A Linked mode installation requires Microsoft technology in the ADAM instance, and thus eliminates the VCSA choice.