Time Machine 備份中斷 - MAC

各位好

最近在幫這台 MBP 13" 2011 OSX 10.9.3

用 Time Machine 做第一次備份

使用的是 250GB WD 的外接硬碟 備份檔案大小大約是 214GB

但是每次備份到某個階段 (大約是跑到170GB左右)

就出現說我中斷的外接硬碟連線 (http://i.imgur.com/VXsytTV.jpg)

然後就失敗。。。

已經試過兩三次了 並且每次都直接把外接硬碟重新格式化

但還是會出現一樣結果

不知道這樣會是什麼問題呢？

先謝謝大家了。。。

--
The world ain't all sunshine n rainbows.It's a very mean n nasty place. N it'll
beat u to ur knees n keep u there permanently if u let it. You,me or nobody's
gon hit as hard as life. But it ain't about how hard u hit. It's about how hard
u can get hit;how hard u can take,n keep movin forward.If u know what u'r worth,
then go out n get what u'r worth. But u gotta be willing to take the hit, n not
pointing fingers saying u ain't where u r becuz of him, or her or anybody.

--