A customer has an IBM System Storage DS8100 at their primary site and a DS6800 at their recovery site, 9.5 kilometers away. They want to replicate data for disaster recovery backup with the least impact on performance. Which of the following products best accomplishes this task?（）
- A、Global Copy
- B、Metro Mirror
- C、Global Mirror
- D、Metro/Global Mirror
正确答案:C
答案解析:有
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