Why file based load balancing?

Many systems with multiple nodes divide a file in blocks to spread over the nodes to balance the bandwidth. In that case all data must be present in the desktop before a file can be used. A/V FS keeps a file within a Data Location boundary and a node can have multiple Data Locations. So also smaller A/V FS setups can still benefit from load balancing. And to scale out storage nodes of different brands, capacities and manufacturing dates can be added.