I confirm this bug for Ubuntu 20.04 LTS, gnome-disk-utility and Hitachi HUH721010ALE604 10 TB HDD (FW ver. LHGNW384).
I confirm this bug for Ubuntu 20.04 LTS, gnome-disk-utility and Hitachi HUH721010ALE604 10 TB HDD (FW ver. LHGNW384).