I'm not often stumped, but this one's got me hard! :( Here's the setup: - NetApp SAN with a fibre channel LUN (configured as "Multiprotocol type: vmware") - vSphere 5.5 (vCenter Server Appliance ...

NetApp volume size is model-dependent, but LUN size is limited to 16TB across the range. LUNs on a NetApp are basically files inside volumes served out by the iSCSI/FC daemon.

The FAS900 manages both NAS volumes and SAN LUNs, and includes the ability to allocate storage between the two, to dynamically expand LUNs and to take snapshots of LUNs.