RAID

  What is RAID? How exactly does RAID work? Find out about the advantages of employing a RAID-equipped server. Redundant Array of Independent Disks, or RAID, is a method of keeping content on several hard

 

What is RAID? How exactly does RAID work? Find out about the advantages of employing a RAID-equipped server.

Redundant Array of Independent Disks, or RAID, is a method of keeping content on several hard drives concurrently. A RAID could be software or hardware depending on the hard drives which are used – physical or logical ones, yet what’s common between them is the fact that they all perform as a single unit where info is saved. The key advantage of employing a RAID is redundancy since the data on all drives shall be identical all the time, so even in case some drive fails for whatever reason, the information will still be available on the other drives. The overall performance is enhanced as well because the reading and writing processes could be split between different drives, so a single one can’t be overloaded. There are different sorts of RAIDs where the efficiency and fault tolerance may vary according to the specific setup – whether info is written on all the drives in real time or it is written on a single drive and afterwards mirrored on another, what number of drives are used for the RAID, and so on.

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