I had one single HDD with an EXT4 filesystem in my setup (alongside a RAID6). I physically removed this one disk a long time ago and put it in a single case for my Raspberry. Now I am unable to remove the linked filesystem from the WebGUI. The option "Löschen" (remove, erase) is not clickable. This did not bother me for a long time but now it seems to block the installation of a remote share.
So, how can I remove my useless file system from the configuration? I already tried to comment the line in fstab manually, but that did not work properly.
Thanks!