The other day I was tasked with doing QoS on UCS for NFS/VMware. This first thing I did was read Brad Hedlund's article in QoS on Cisco UCS. This provided some great direction as Brad's articles usually do.
1. The first thing I did was to enable and adjust all the native UCS QoS system classes: Note the MTU for NFS and the weight.
2. Next I create QoS policies for all VMware/System networking needs: