我正在尝试将目录树从 OS X (10.11) 同步到 Ubuntu 14.04。虽然大多数文件都可以正常传输，但名称以_（下划线）开头的文件却不能。
这是我使用的命令：
rsync -rtvh --progress ~/Pictures/processed/ ~/mnt/processed/
以及输出的示例：
sending incremental file list
_MG_7425.jpg
4.66M 100% 169.79MB/s 0:00:00 (xfr#1, to-chk=58/60)
_MG_7427.jpg
6.59M 100% 103.07MB/s 0:00:00 (xfr#2, to-chk=57/60)
...
rsync: mkstemp "/Users/user/mnt/processed/._MG_7425.jpg.0cAYb3" failed: No such file or directory (2)
rsync: mkstemp "/Users/user/mnt/processed/._MG_7427.jpg.5Gw1vD" failed: No such file or directory (2)
sent 306.24M bytes received 9.46K bytes 122.50M bytes/sec
total size is 306.17M speedup is 1.00
rsync error: some files/attrs were not transferred (see previous errors) …