On Tue, Feb 04, 2020 at 11:24:56AM -0500, Michael Stone wrote: > On Tue, Feb 04, 2020 at 11:06:10AM -0500, Gene Heskett wrote: > > Me too, so I usually label the permanent stuff at least. UUID's can and > > will change for no detectable reason. > > For those reading along or finding this in search results: no, filesystem > UUIDs don't change for no detectable reason. Don't implement anything based > on this theory.
I was just about to make a similar reply. The only time a file system's UUID changes is if you destroy and recreate the file system, or go out of your way to change the UUID through some file-system-specific tool like xfs_admin -U uuid. But, labels are great. If you like using labels, that's fantastic. Keep doing that.