How can servers implement redundancy for data storage?

Implementing RAID configurations is a fundamental approach to ensure data redundancy in servers. RAID, which stands for Redundant Array of Independent Disks, combines multiple physical disk drive components into one or more logical units for purposes of data redundancy, performance improvement, or both.

When a RAID configuration is employed, data is distributed across several drives. In the event that one drive fails, the data can still be accessed from the remaining drives, preventing data loss. Different RAID levels (like RAID 0, RAID 1, RAID 5, etc.) provide varying degrees of redundancy and performance, allowing administrators to strike a balance between speed and data safety based on their specific needs.

The other options, while related to data storage or availability, do not focus specifically on redundancy. Backup tapes are useful for data recovery but do not provide immediate redundancy in the storage environment itself. Cloud storage solutions can offer redundancy through their infrastructure, but they operate differently, typically relying on third-party services rather than in-place server solutions. Load balancers, on the other hand, distribute traffic among servers to enhance performance and availability but do not serve to directly protect against data loss. Thus, using RAID configurations stands out as the most direct method for achieving redundancy in data storage on servers