8块300G的硬盘做RAID5后的容量是（），RAID5最多可以损坏（作答此空）块硬盘而不丢失数据。
- A.0
- B.1
- C.2
- D.3
正确答案及解析
正确答案
B
解析
RAID5磁盘利用率=(n-1)/n，其中n为RAID中的磁盘总数。所以，8块300G的硬盘做RAID5后的容量是（8-1）×300=2.1T，可以损坏1块硬盘而不丢失数据。
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