On Mon, 2024-11-25 at 18:59 +0100, to...@tuxteam.de wrote: > On Mon, Nov 25, 2024 at 12:36:55PM -0500, Default User wrote: > > [...] > > > Thomas, would you mind elaborating on, or give a link to an > > explanation of: > > > > "Of course, this UUID uniqueness thing starts looking ever more > > flimsy once you start bit-copying file systems . . . " > > > > I'm not sure I understand what bit-copying of file systems is, > > and why it would be flimsy. > > It's more trivial than it seems. If you copy a whole file system > bit-for-bit (e.g. with dd or similar), since the UUID is "in there", > it travels along. Now you have two identical file systems with the > same UUID. > > If you now, for example, mount one and write things to it, you have > two different file systems with the same UUID. > > Cheers
-------------------- Okay, got it. Thanks!
