What Is RAID

So what exactly is RAID? First of all, the acronym stands for Redundant Array of Inexpensive Disks. It was a system developed whereby a large number of low cost hard drives could be linked together to form a single large capacity storage device that offered superior performance, storage capacity and reliability over older storage solutions. It has been widely used and deployed method for storage in the enterprise and server markets, but over the past 5 years has become much more common in end user systems.
The article covers Advantages of RAID, RAID 0, RAID 1, RAID 0+1, RAID 10 or 1+0, RAID 5, Software vs. Hardware RAID and Drive Selection

What is RAID?

The basic fundamental of RAID is "striping", a method of concatenating multiple drives into one logical storage unit.

Striping is just one part of RAID. Mirroring and parody is another aspect of RAID. Most SATA interface cards have RAID functionality.

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