RAID Configuration
pcA method of storing the same data in different places on multiple physical disks to improve performance and provide redundancy.
expanded
RAID (Redundant Array of Independent Disks) configuration combines multiple disk drives into a single system to distribute data across the drives, thereby providing data redundancy or improving performance. It is crucial in environments requiring high availability and disaster recovery because, depending on the configuration, it can continue to operate even if one or more drives fail.
examples
A RAID 5 configuration with three 1 TB drives provides 2 TB of usable storage and can tolerate one disk failure without data loss.
Commonly used in small to medium-sized business servers for a balance of performance, storage efficiency, and fault tolerance.
A RAID 1 configuration using two 500 GB SSDs for 500 GB of mirrored data, improving read performance and ensuring data redundancy.
Ideal for applications that require high availability and immediate operations after a disk failure, often used in database servers.