I’d want it to not use sensors that get washed out by the sun. IR lidar, for example, instead of naive visible light cameras.

2 tb HDD I bought on aliexpress

Well there’s the first red flag. Who’s it made by? Have you verified the capacity with one of those verifier tools? Fake ones will report a huge capacity while having very little, and writes past it just disappear. The error you’re seeing certainly sounds like that kind of behavior.

What if I accidentally posted to the wrong community? Or posted something with a username/password in it? Or accidentally selected a picture of my penis wearing a little monocle and top hat to this community?