不用NDMP，备份网络文件服务器有两种选择。
Without NDMP, there were two choices for backing up network file servers.
高速缓存服务器本质上是一种重型网络文件服务器。
Essentially, a cache server is a heavy-duty network file server.
我的网络文件服务器上的硬盘失败，并且我几乎丢失几个月相当于一系列照片(如下)。
A hard drive on my network file server failed and I nearly lost several months worth of family photos (like this one).
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