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The Network File System (NFS) protocol is another remote storage option supported by vSphere. As with iSCSI, NFS storage is accessed via an Ethernet network. Keep in mind that NFS storage is actually not a VMFS datastore, but rather a remotely mounted NFS export. Storage multipathing is not available with NFS storage. However, you do have the option of providing multiple VMNICs for the purposes of resiliency and portgroup load balancing.
Configure NFS Storage with ESXI
NFS-based storage has been around for approximately 25 years and several different versions have been released over that time. vSphere currently supports version 3, or NFSv3. Any device that provides storage using NFSv3 should work with vSphere, but to be certain, ensure the device is on the HCL. The VMware HCL can be found here: http://www.vmware.com/go/hcl.