On Mon, Jan 16, 2023 at 10:55:34AM +0100, Hans Petter Selasky wrote: > On 1/16/23 10:13, Michal Suchánek wrote: > > when that data is copied to a new location a new > > CRC is calculated that can detect an error in that location. > > Yes, that is correct, but what is "copying data"? Are you saying that > copying data is always error free? Maybe you should not cut out the answer to your qestion? Thanks Michal