rsync, 'uid/gid impossible to set' cases cause future hard link failure, how to fix?

Question

I am using rsync version 3.1.1 protocol version 31 with cygwin version 2.3.1(0.291/5/3).

I believe that I need to chown all my Win7 files, with unknown uid/gid\'s, w

Answer 1

Use the --usermap and --groupmap rsync options (this requires that both source and dest environments use version 3.1.0 or higher). In my case this won't work since my destination (WD MyCloud) uses 3.0.9.

OR

Change the rsync source code with gcc running under cygwin (really not that hard with some C knowledge).