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by sandreas 334 days ago
I went through the same situation and noticed that modern hard drives are big enough for fitting RAID1 into nearly every homelab use case except high-res Video footage (including a bluray movie collection)

Two drives are easy to replace, easy to spare, consume less power and are quieter than 4+.

The only advantage i See in raid5/6 is on 25Tb of storage requirement within 3 years.