@nils98 I don’t know your prerequisities.
Our machines get delivered with a preinstalled windows.
The RAID1 is also already assembled.
We do not create a raid 1 via mdadm in fog. Also i did not inject any drivers for VROC.
I think /dev/md0 get’s created because of the use of the kernel-parameter “mdraid=true” but it’s empty.
If you check in bios/uefi. Is there a raid 1 shown? If not can you create one? I never had problems to see my preassembled VROC raid1 with “lsblk” in debug mode.