RAID 2 is another RAID trendy stage Configuration that offers very excessive Data Transfer fees. In RAID 2, a principal Controller synchronizes the disks via making them spin on the equal angular orientation in order that all of them reach the Index simultaneously. RAID 2 Makes use of bit-degree striPing and each sequential bit is placed on a one of a kind difficult drive. The blunders correcting Code (ECC) used is the Hamming Code Parity, which is calculated across bits and stored one at a time in at the least a single drive.
RAID 2 is considered one of at the least nine sorts of RAID.
RAID 2 differs from different tiers of RAID because it does no longer use the standard manner of mirroring, striping or parity. It implements those techniques by way of setting apart Records within the bit level after which saving the bits over a number of exclusive inFormation disks and redundancy disks. Hamming code is used to Compute for the parity of the redundant bits to check and correct errors.
This configuration calls for special motive force Hardware to make the disks spin Synchronously. The r RAID 2 conTroller was steeply-priced and tough to put in force. As a result, it in no way certainly caught on and become nearly never used. Most of what RAID 2 gives is now's available in cutting-edge tough disks as a popular like ECC, so there’s no cause to use it. Other RAID degrees provide protection past ECC.
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