With your solution, I am now able to use the drive, but Steam doesn't seem to be able to use it.
When trying to create another library for Steam downloads, I noticed that I don't just have one "Hayes"; I have 2. Another mysterious Hayes popped up, and I have no clue why:
So I have a Hayes and a Hayes1. In a normal Nautilus window, the drive is named Hayes - but I noticed that in a Nautilus opened with the root terminal, it's called Hayes1. And when looking through the properties of both "drives", the normal Hayes is just a folder I can't delete. My drive is actually Hayes1, but it can't be used by Steam (I
can use it freely though with your solution).
When trying to use Hayes1 with Steam, it says: