Re: Interesting mount problem - F40

[Tim]

On Tue, 2024-06-18 at 11:40 -0400, Tom Horsley wrote:
> Using dd to back up a disk leaves the copy with the exact same UUID
> as the source. So it is just down to random timing and order of
> operations as to which disk it will choose, so using /dev/sda
> instead of UUID is one possible solution, but there are UUID values
> in lots more places than /etc/fstab. (grub.cfg for one, but other files
> as well like the /boot/loader/entries files).

If one was cloning a drive so you can quickly recover from a failure by
using the other drive, I would think that for the least surprises, you
have to be unplugging the copy when cloned.  Then actually swap drives
over if you needed to use it, instead.