Buying a Two-Drive NAS? RAID 1 Is Not a Separate Backup Copy
Short answer: No. The second drive in a RAID 1 pair is redundancy against a failed disk, not a separate backup copy. QNAP’s own explanation says plainly that "RAID IS NOT a backup" and that it "mainly guards against hardware failures". Deletion, corruption, viruses, theft and disasters can still take the data. So when you … Read more