所以IT部门有新的应用需求就不停地加新机器，这样就导致“服务器蔓延”的情形(图3)。
So it departments just kept adding machines when new applications were needed, leading to a condition known as "server sprawl" (see chart 3).
减少全册的数量也减少了服务器蔓延的机会和成本有积极影响，因为宝贵的存储空间并不是不必要的数据的副本。
Reducing the number of full copies also reduces the chance of server sprawl and has a positive effect on costs, because valuable storage space is not taken up with unnecessary copies of data.
服务器虚拟化的这种整体方法对于从该技术获取效益来说是很有必要的，而不会面临虚拟蔓延的危险。
This kind of holistic approach to server virtualization is necessary to reap the benefits of the technology without succumbing to the perils of virtual sprawl.
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