@FreePietje
Oh I didn't label the HDD partition RASPIROOT or delete root from SD afterwards. I followed a guide which showed adding the HDD PARTUUID to the SD's /boot/config.txt (root=) then editing /etc/fstab on cloned HDD root.
@FreePietje
Oh I didn't label the HDD partition RASPIROOT or delete root from SD afterwards. I followed a guide which showed adding the HDD PARTUUID to the SD's /boot/config.txt (root=) then editing /etc/fstab on cloned HDD root.