Cruizer8

I am currently working on setting up a second Unraid server that I will be using as an offsite backup and NAS at offsite location. I have Syncthing setup to syncronise my shares but I am looking for a way to synchronise the users. That way, I only have to maintain access and passwords on one machine. Is it possible to do this? Theoretically I think copying the /etc/passwd file would do the trick for the users and /etc/samba should work for access, but unraid runs in memory so it wouldn't be persistent. Is there a way around this and if so would syncing these files across the machines even work?