The technology operates through several architectural techniques that define how data is distributed across the physical disks:
Different "levels" of RAID offer various trade-offs between speed, capacity, and safety: Raid.rar
: This involves duplicating data across two or more disks. It provides high fault tolerance; if one drive fails, the system can seamlessly continue operating using the mirror. By allowing parallel access to different segments of
: This technique splits data across multiple drives. By allowing parallel access to different segments of data simultaneously, striping significantly boosts read and write performance. Core Mechanisms of RAID : A more space-efficient
(Redundant Array of Independent Disks) is a fundamental storage technology used to improve data reliability, performance, or both by combining multiple physical disk drives into a single logical unit. Originally conceptualized in the late 1980s as "Redundant Arrays of Inexpensive Disks," it has evolved into a critical component for modern servers and high-performance workstations. Core Mechanisms of RAID
: A more space-efficient form of redundancy that calculates a checksum for data blocks. If a drive fails, the missing data can be reconstructed using the parity information stored on the remaining disks. Common RAID Levels