Yep, this is how I do it on my NAS, which is some RockPro64 board attached to WD Red spin drives. I have music, movies, game saves, documents, pics, etc. that equal around 1.5TB and I don’t seem to get excess scanning when “watch files” is turned on.
I believe that scene happens just after he gets his shape-shifting powers back; for a while before that, he had to wear regular clothes because he had been made more or less human as punishment by the Founders.