* NoOp <glgxg@sbcglobal.net> [2009-11-02 18:50 -0800]: > On 11/02/2009 06:42 PM, John Graddy wrote: > > On Mon, 2009-11-02 at 16:02 -0800, NoOp wrote: > >> No. The md5sum will change when you transfer the iso. > >> > > I'm continually impressed by the knowledge of folks on this list. > > > > I didn't have a clue that the md5sum would change. How do you learn > > about that kind of stuff?? > > From this list :-) There was quite a discussion about this very issue > some time ago. I'll see if I can dig out the thread tomorrow. Then someone was misinformed. The MD5 sum should match if a file copy operation is error-free. Copying a file between storage devices is equivalent to downloading it for as much as the MD5 sum should remain consistent. Just today I copied an ISO between two disks and was able to verify by MD5 sum.