Trying to backup my project - copies entire source drive
I have (several times now) tried to use project manager as I have quite a large project on a big heavy raid drive and I'd like to chop it down to size to make the project more portable. The raid drive has around 15TB of material (a feature film's raw footage from a camera shooting in higher than raw 4K) and the finished edit, i estimate, based on shooting ratios, etc. is perhaps 2TB of the 15. I have been trying to use project manager (following the instructions I've found online/youtube vids) and the project manager keeps attempting to copy the entire source drive contents to the destination drive (an AData 4TB drive is the target I am now using).
I've been through this a few times, wasted days on two continents trying to make it happen, and seem to be in the midst of another failure. I have checked the box to exclude unused files, I only selected the single timeline in the Project (the edited film) and still this appears to the unfortunate result.
I'm not by trade an editor/post supervisor but the editor I was working with recently had the same issue - he tried to select all of the segments of the timeline and then run the project manager backup, with the same result.
Any help would be very much appreciated. Running 2019 APP.