RAID (Redundant Array of Independent Disks) is a storage technology that uses several hard drives to improve data protection and performance. There are different types of RAID with their own benefits and drawbacks.
RAID 5 is a type of RAID that uses block-level striping with distributed parity. This means that data is spread across multiple hard drives, and each drive contains parity information that can be used to reconstruct data in the event of a drive failure.