I was googling a lot to figure out what could be happening, but already under the assumption that one of the HDDs I have in a USB dock station was about to fail definitively. In fact, part of my reading was around trying to understand if maybe Linux itself doesn't deal well with this kind of set-up, in ways that could be perhaps more damaging than the normal internal usage of the HDD.
But then I found a piece of information suggesting that maybe what happened was just that the USB...
