def METHOD_NAME(self, run_cmd):
    """Runs 'cobbler reposync'"""
    (outputstd, outputerr) = run_cmd(cmd=["reposync"])
    (outputstd, outputerr) = run_cmd(cmd=["reposync", "--tries=3"])
    (outputstd, outputerr) = run_cmd(cmd=["reposync", "--no-fail"])