This week we studied Enterprise computing which elaborated on RAID, Redundant Array of Inexpensive Disks. There are many differnt levels of RAID ranging from the most simple RAID1 to the most complex RAID6. RAID 1, or mirroring is simply the use of a pair of drives which mirror each other. If one drive were to fail, the second drive keeps right on moving at full speed with no data loss. The most complex to date is the RAID6 which is any form of RAID that can continue in the event of two concurrent disk failures.
RAID is very important in the business environment because it can severly limit the risk of data loss in the event of disk failure. Whether you are a small business keeping data on your individual customers or a massive corporation keeping data on thousands of employees, it can be catastrophic if your system fails and all of your data needs to be recovered (assuming it can be). RAID is much quicker than using standard backup devices such as tape or external hard drives.
In an attempt to learn more about RAID I came across an article titled Beginners Guides: Installing RAID on a desktop PC located at http://www.pcstats.com/articleview.cfm?articleID=830 . This artcile really helped to elaborate on the benefits of RAID and the process involved with setting them up.
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