Hi,
Thank you so much for the prompt reply.
In my case, the problem appears to be that, following a shutdown/restart, there isn't an SDA location showing up under MNT (so I can never get inside that to access sda1 because the parent location does not appear - if that makes sense).
When I browse to the Kodi Video Files menu I see my Movies folder, so that information is being cached somewhere, but I can't do much with it. Ideally what I'd like to do is to remove that location altogether. My movies are subcategorised into folders such as Drama, Animation etc. and I'd like to be able to add those instead of the top level 'Movies' folder but I just can't seem to be able to find sda1 again so that I can add and scan those folders.
Best regards