I do not think the btrfs thing applies. I am looking to do a complete disk clone. The partition table and all partitions. Everything. It is not an incremental backup or a periodic sync. It is a byte-for-byte mirror image. The only thing I could expect is that the UUID for the disk might change and then require an update of that in /etc/fstab. I'm not sure about that. But it is possible.

On Thu, Oct 19, 2023 at 4:42 PM Carlos E. R. <robin.listas@telefonica.net> wrote:
On 2023-10-16 14:17, Roger Oberholtzer wrote:
> 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?

About btrfs, you should read this thread:

<https://lists.opensuse.org/archives/list/support@lists.opensuse.org/message/JF5UIEMX7BHPTR5BQR5BX4JL4E4LDPSR/>

--
Cheers / Saludos,

                Carlos E. R.

   (from openSUSE 15.5 (Laicolasse))



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Roger Oberholtzer