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RAID stands for Redundant Arrays of Inexpensive Disks and is a computer storage system that involves combining a number of small capacity small amount of storage hard drives into an array with better performance results than a single large capacity hard drive There are 5 different redundant levels of RAID RAID-1 to RAID-5 configuration each with varying features and performance as well as an additional non-redundant RAID-0 configuration The process of striping involves a chunk of data being broken up into smaller parts and saved across a number of drives For example a chunk of data is to be saved across 4 drives depending on the chunk size it would be broken up into a number of pieces in this case lets say 8 called A B C D E F G and H and stored across the drives RAID levels 1-5 offer protection against data loss and corruption by either having the entire drive mirrored an exact copy stored on another disk in the array or by having parts of each piece of data stored either on the same or another disk to verify the data is correct RAID-0 only uses striping and does not offer data verification RAID storage is theoretically much faster than using single drives as four times the amount of data can be readwritten tofrom the RAID than a single drive This system of storage is much cheaper than a single drive that would yield the same capacity and performance RAID storage in a server environment or any other with high disk usage such as multimedia development would greatly increase performance and data integrity by lowering the time taken to accesswrite data to and from the system
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