c9429b30_yper_V_VS_Citrix_Xen___My_Blog__Hypervisor_Attributes
[VMware ESXi 5.0] VMware vStorage VMFS, Storage vMotion, Storage DRS Lacks an integrated cluster file system, no live storage migration [Citrix XenServer 5.6 FP1] Lacks an integrated cluster file system, no live storage migration, storage features support very few arrays [Hypervisor Attributes] 
Advanced Storage Management
Comparison between Vmware VS Hyper-V VS Citrix Xen | My Blog
Hypervisor Attributes