Connecting storage to the cluster can be direct or through a storage area network (SAN) switch, either by fiber, copper, or a mixture of the two (see Figure 1).
可以用光纤、铜缆或结合使用二者，直接把存储器连接到集群，或者通过存储区域网络(SAN)交换机连接(请参阅图1)。
For simplicity, copper gigabit Ethernet cable provides cluster interconnection.
为简单起见，用千兆铜线以太网电缆提供集群的内部连接。
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