Product : Citrix, XenServer/7.3, Enterprise
Feature : Virtual Disk Format, Storage, Network and Storage
Content Owner:  Roman Macek
Summary
vhd, raw disk (LUN)
Details
XenServer supports file based vhd (NAS, local), block device-based vhd (FC, SAS, iSCSI) using a Logical Volume Manager on the Storage Repository or a full LUN (raw disk)