Which factor most influences protection overhead when designing a PowerScale solution for small-file workloads?

What is the primary function of SmartLock?

A PowerScale cluster has two ports that are configured per node. Each port is on a different VLAN. Although incoming traffic is evenly distributed, transmitted data from PowerScale uses one port more than the other port.
What could be the cause of this imbalance?

Where does Endurant Cache stage its write cache?

In an NFSv3 only environment, what is the recommended limit for active NFSv3 connections, per Isilon node?