I would also do a dd. But I am thinking of a user who is not comfortable with such a thing. Of course, if they can't grok dd, then perhaps they should not be having any confidence in some friendly GUI app. That is part of my asking: what tools are reliable and, I now add, novice friendly?

On Mon, Oct 16, 2023 at 3:39 PM bent fender <ksusup@trixtar.org> wrote:
Mon, 16 Oct 2023 14:17:45 +0200
Roger Oberholtzer <roger.oberholtzer@gmail.com> :

> If, as part of a disaster recovery system, you wanted to make a copy of
> your openSUSE OS disk, what are the best programs to use? I guess as part
> of this there is the discussion of what might need to be changed if the
> image is on another disk (/etc/fstab) for example).
>
> How about rescuezilla?
>
> --
> Roger Oberholtzer

My 2 cents says when push comes to shove you would want bare bones
commands and no YSOA (Yet Some Other App) to do the honors. 

dd, hands-on and hands down.

yes, fstab & grubwork 4 sure.


--
Roger Oberholtzer