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Is RAID5 performance much worse than no RAID ?

Asked by victord66 (201points) July 20th, 2009

I have a server with a RAID5 array. I understand that using RAID will slow down write speeds as it has to write to two different places. My question is, how much slower would it be compared to having no RAID, just one hard drive? Are we talking a few seconds or longer? Is it a noticeable difference?

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