Any of a set of standard configurations of Redundant Arrays of Independent Disks
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). The most common types are RAID 0 (striping), RAID 1 (mirroring) and its variants, RAID 5 (distributed parity), and RAID 6 (dual parity). Multiple RAID levels can also be combined or nested, for instance RAID 10 (striping of mirrors) or RAID 01 (mirroring stripe sets). RAID levels and their associated data formats are standardized by the Storage Networking Industry Association (SNIA) in the Common RAID Disk Drive Format (DDF) standard.[1] The numerical values only serve as identifiers and do not signify performance, reliability, generation, or any other metric.
While most RAID levels can provide good protection against and recovery from hardware defects or defective sectors/read errors (hard errors), they do not provide any protection against data loss due to catastrophic failures (fire, water) or soft errors such as user error, software malfunction, or malware infection. For valuable data, RAID is only one building block of a larger data loss prevention and recovery scheme – it cannot replace a backup plan.
^"Common raid Disk Data Format (DDF)". SNIA.org. Storage Networking Industry Association. Retrieved 2013-04-23.
and 22 Related for: Standard RAID levels information
Nested RAIDlevels, also known as hybrid RAID, combine two or more of the standardRAIDlevels (where "RAID" stands for "redundant array of independent...
inexpensive disks). RAIDlevels may refer to: StandardRAIDlevels, all the RAID configurations defined in the Common RAID Disk Drive Format standard, which is...
RAID". Originally, there were five standardlevels of RAID, but many variations have evolved, including several nested levels and many non-standard levels...
set to RAID/IDE, producing BSOD in case of trying. As of 2020, it includes a RAID system capable of RAIDlevels 0, 1, 5, and 10, a block level SSD caching...
from RAID/RAID-Z disks and volumes; copies of data from mirrored disks and volumes. Native handling of standardRAIDlevels and additional ZFS RAID layouts...
Digital Living Network Alliance Digital media receiver Home theater PC StandardRAIDlevels Streaming media UPnP AV Media Servers Windows Home Server TV gateway...
defragmentation wear the drive for no speed advantage. vRPM Hybrid drive IOPS StandardRAIDlevels "Hard Disk (Hard Drive) Performance – transfer rates, latency and...
Operation Jubilee or the Dieppe Raid (19 August 1942) was an unsuccessful Allied amphibious attack on the German-occupied port of Dieppe in northern France...
raids, including poison pills, golden parachutes, and increases in debt levels on the company's balance sheet. In later years, some corporate raiding...
Mirror. RAID 4 – Like RAID 0, but with an extra device for the parity. RAID 5 – Like RAID 4, but with the parity distributed across all devices. RAID 6 –...
approaching danger. Initially designed to warn city dwellers of air raids (air-raid sirens) during World War II, they were later used to warn of nuclear...
33°34′02″E / 32.64113°N 33.56727°E / 32.64113; 33.56727 The Gaza flotilla raid was a military operation by Israel against six civilian ships of the "Gaza...
A standard operating procedure (SOP) is a set of step-by-step instructions compiled by an organization to help workers carry out routine operations. SOPs...
time limit, the PKL rules introduced the concept of a standard 30-second time limit for every raid. In the international team version of kabaddi, two teams...
searches. The player must also monitor their energy and hydration levels over the course of a raid. Escape from Tarkov is set in the fictional city of Tarkov...
The SNIA common RAID disk data format (DDF) defines a standard data structure describing how data is formatted across disks in a RAID group. The DDF structure...
The Millennium Dome raid was an attempted robbery of the Millennium Dome's diamond exhibition in Greenwich, South East London occurring on 7 November 2000...
from the danger of air raids. Government consideration for air raid precautions increased in the 1920s and 30s, with the Raid Wardens' Service set up...
later standards. A much greater impact was the diversion of twelve aircraft squadrons, many guns, and over 10,000 men to air defenses. The raids generated...
game. In Bomber Raid, the player controls a small "Freedom Fighter" aircraft able to fire different types of projectiles through five levels. The player starts...
Operations Command (JSOC) coordinating the Special Mission Units involved in the raid. In addition to SEAL Team Six, participating units under JSOC included the...