I post again in a new thread since I used a very old one, so it is probably better to start new.
I try to upgrade my existing drive label WD-10TB_2 by another label Seagate_16T both ext4 the Seagate_16T is mounted in filesystem but not visible for Shareholders.
when I unmounted it in filesystem and try to remount I have to click twice on mount and it give me an error with the yellow sign the config has been changed but I cannot applied it but before hitting revert I can see the disk is visible in shareholders?