What is a characteristic of a mapped SAN LUN (RDM) set to Physical Compatibility
It allows the LUN to be made into a template
It allows the VMkernel to natively access NTFS data on the LUN
It allows the virtual machine to use VMware snapshots
It allows the guest operating system to access the hardware directly
Page 140 from vsphere-esxi-vcenter-server-50-storage-guide.pdf
Fibre Channel SAN Configuration Guide ESX 4.0 ESXi 4.0 vCenter Server 4.0, page 59.
Physical compatibility mode allows the guest operating system to access the hardware