To start, I just want to thank Joe L, prostuff1, and everyone else who helped get this working! You are truly kind souls!!! .
This was the final piece to get everything running smoothly from my unRaid server! Writes to my USB key are gone, everything is working as it should! I'm extremely happy .
One quick question, I'm not entirely clear on what the difference is between editing settings in the json file, and doing it from unMenu... I would assume if you edit unMenu, it edits the json file, but they seem to be mutually exclusive (though it was late last night when I installed, so maybe I'm just confused ).
I had a similar problem (couldn't get it working with the whitelist option on. Just changed it to false eventually, and all good.). Did you try stopping Transmission from the UnMenu menu, change the whitelist setting to false, and re-starting? If transmission is running, the change doesn't seem to stick...