It works now!
What I noticed that on each 6 harddisks folders like "Disk1" , "Disk2" was created by OMV,
So if the rules are changed, I deciced to follow the rules for one time,
I placed all sub folders inside each "Disk1 t/m Disk6" folders
after this I reinstalled OMV, created the users, mounted the harddisks, and activated the SMB service, and then added the harddisks to the SMB shares
Now it's working again how I wanted it, thanks everybody for your help!