I guess really misunderstood... I was referring to this post by you:

Simple: find a partition that has enough space on it.

The root partition on your player probably (just guessing here..) has only about 7MB of available space, so your FTP bombs once that space is consumed.

I had mis-read it (or remembered incorrectly) as the "root directory" not the "root partition". And it made no sense to me, but I just chalked it up as my lack of knowledge in Linux. Looking at it now, it does make perfect sense. It's another thread that I just glanced over seeing what bits I could learn. I think next time I'll wait till after my first cup of coffee!