The port configuration remains the same => If port Gi1/0/1 was configured as a trunk, it will be a trunk after this renumber/reload. You just have to change the priority of the switch after reload.

No, this is not correct. Who wants to have stack members scattered in the rack? That's what an amateur does...It is possible to do it together without any intermediate step of changing member 1 to member 4. The correct and proven steps are:switch 1 r...