Why is RAID So Important for Databases?

A good server design has no, or very few, single points of failure. One of the most common server component that fails, are disks. So data redundancy becomes essential to recoverability. Redundant Array of Independent/Inexpensive Disks (RAID) is a disk system that provides better fault-tolerance by making use of redundancy of disk(s).

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About The Author

Suprotim Agarwal, MCSD, MCAD, MCDBA, MCSE, is the founder of DotNetCurry, DNC Magazine for Developers, SQLServerCurry and DevCurry. He has also authored a couple of books 51 Recipes using jQuery with ASP.NET Controls and a new one recently at The Absolutely Awesome jQuery CookBook.

Suprotim has received the prestigous Microsoft MVP award for nine times in a row now. In a professional capacity, he is the CEO of A2Z Knowledge Visuals Pvt Ltd, a digital group that represents premium web sites and digital publications comprising of Professional web, windows, mobile and cloud developers, technical managers, and architects.

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Koto said...

Clear comparision, thx!

Francis Nicholas said...

what are the performance of RAID 1? when it comes to Read/Write for small and large Operations?