Upgrading an ESX Server 2.x host’s VMFS-2 volume to VMFS- 3, and then referencing the VMFS-3 volume from an ESX Server 3.0 host:

A.
will allow any VMs on the original VMFS-2 to be powered on.

B.
will allow the ESX Server 3.0 host to view the VMs in read-only mode.

C.
will allow both the ESX Server 2.x and ESX Server 3.0 hosts to view the VMs in read-only mode.

D.
requires both the ESX Server 2.x and ESX Server 3.0 hosts to be managed by VirtualCenter 2.0 in order to perform the upgrade of the VMFS-2 volume.