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Diagram of a RAID 1 setup. RAID 1 consists of an exact copy (or mirror) of a set of data on two or more disks; a classic RAID 1 mirrored pair contains two disks.This configuration offers no parity, striping, or spanning of disk space across multiple disks, since the data is mirrored on all disks belonging to the array, and the array can only be as big as the smallest member disk.
RAID (/ r eɪ d /; 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.
RAID 01, also called RAID 0+1, is a RAID level using a mirror of stripes, achieving both replication and sharing of data between disks. [3] The usable capacity of a RAID 01 array is the same as in a RAID 1 array made of the same drives, in which one half of the drives is used to mirror the other half.
RAID 5E, RAID 5EE, and RAID 6E (with the added E standing for Enhanced) generally refer to variants of RAID 5 or 6 with an integrated hot-spare drive, where the spare drive is an active part of the block rotation scheme. This spreads I/O across all drives, including the spare, thus reducing the load on each drive, increasing performance.
The Intel Matrix Storage Manager (IMSM) option ROM is a part of Matrix RAID that has to be used in the BIOS to create new RAID arrays. [19] As of 2014 Intel uses "Rapid Storage Technology" -"Option Rom"- on its new chipsets, dropping the "Matrix" name.
The Raid 2 (Indonesian: The Raid 2: Berandal, lit. 'thug'; Japanese : ザ・レイド Gokudo , lit. 'gangster'), [ 5 ] [ 6 ] [ 7 ] also known as The Raid: Retaliation , is a 2014 Indonesian action thriller film written, directed and edited by the Welsh filmmaker Gareth Evans .
Raid is the brand name of a line of insecticide products produced by S. C. Johnson & Son, first launched in 1956. The initial active ingredient was allethrin, the first synthetic pyrethroid. [1] Raid derivatives aimed at particular invertebrate species can contain other active agents such as the more toxic cyfluthrin which is also a pyrethroid. [2]
In 1964, the association changed its name to the American Society for Training & Development. ASTD eventually widened its focus to connect learning and performance with business results. In 2000, the organization chose to refer to itself just by the letters ASTD, to underscore that it wanted to broaden its scope as a professional organization.