Group directories visible through paths /group/home/<groupname> and /home/group/<groupname> from linux and through path \\GROUP\<groupname> from windows move to a new file server. The moving will happen one directory at a time. During the move the group directory cannot be accessed. The move should not take longer than a few minutes, even for the largest of group directories.  The old Linux paths will continue to work after the move (with symlinks), but windows users should start to use \\CSFS\group file share.