In this short video you can see how to export folders/directories inside of DDP drive and give them real volume properties. By using Folder Volumes, you would move data within the single volume.
With other shared storage systems you will need to copy the data in between volumes/luns/media spaces, which would saturate the bandwidth, unnecessary replicated the data and all this also take extra time.
![](https://i.ytimg.com/vi/6Jm4S-Y61Iw/maxresdefault.jpg)