RAID (/ reɪd /; redundant array of inexpensive disks or redundant array of independent disks) [1][2] is a data storage virtualization technology that combines multiple physical data storage components into one or more logical units for the purposes of data redundancy, performance improvement, or both.

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Jan 21, 2025 · RAID (Redundant Array of Independent Disks) is a data storage technology that combines multiple disks to enhance performance, data redundancy, and reliability, allowing for data recovery in case of drive failures.

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In computer storage, the standard RAID levels comprise a basic set of RAID ("redundant array of independent disks" or "redundant array of inexpensive disks") configurations that employ the techniques of striping, mirroring, or parity to create large reliable data stores from multiple general-purpose computer hard disk drives (HDDs).

RAID (redundant array of independent disks) is a way of storing the same data in different places on multiple hard disks or solid-state drives (SSDs) to protect data in the case of a drive failure. There are different RAID levels, however, and not all have the goal of providing redundancy.

Nested RAID levels, also known as hybrid RAID, combine two or more of the standard RAID levels (where "RAID" stands for "redundant array of independent disks" or "redundant array of inexpensive disks") to gain performance, additional redundancy or both, as a result of combining properties of different standard RAID layouts.

Jan 14, 2020 · RAID is an acronym for “redundant array of independent drives (or disks).” Basically, RAID lets you take several hard drives and group them as one unit. This can help you store backups of your data in case a drive fails, or improve the speed and efficiency of …

Jul 23, 2019 · RAID (redundant array of independent disks) is a setup consisting of multiple disks for data storage. They are linked together to prevent data loss and/or speed up performance. Having multiple disks allows the employment of various techniques like disk striping, disk mirroring, and parity.

5 days ago · Redundant array of independent disks – abbreviated as RAID – is defined as a storage technology that combines multiple hardware disk units into a virtualized logical unit to improve the performance, reliability, and ease-of-access of data storage.