On Fri, Jul 11, 2025 at 07:06:19PM +0200, Hans wrote:
So all are the same, and the mountpoints shall all have ownership user:group = root:backup However, the latest harddrive I added, wbhich is sde1 shows wrong ownerhips,
The ownership of the underlying mount point is ignored (and should generally be set to root:root mode 755 to avoid possible complications in odd cases). You need to chown the directory *after* it is mounted.