accounts create user     https://www.youtube.com/watch?v=QIdy6sR0HrI

create pool
    add dataset
        smb type
       
        edit permissions
            user and apply user
            user and apply group
            select and acl preset to Restricted
            check apply permissions recursively
            check apply permissions to child datasets
                                                #strip acls starts over, doesn't effect dataset
                                               
                                                           
    do a snapshot