A server configured with RAID 5 has recently suffered from two simultaneous disk failures. Which of the following would be required to bring the server back to operational status？ （）
- A、 Break mirror array
- B、 Replace cache battery
- C、 Replace hot standby
- D、 Restore from backup
- E、 Replace defective hard drives
正确答案:D,E
答案解析:有
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