[aidos]

Not in my experience. You can use the —-link flag to get it to use hard links so it doesn’t need to move the data at all. Have been through this process myself a few times and it only took seconds on a 50-100GB db. I’m always a little surprised with how week it works.

[wrs]

Exactly, it just has to touch the metadata, unless the data page format has changed, which the developers try hard to avoid (successfully so far).