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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2 comments:

  1. KotoFebruary 11, 2012 at 10:23 AM

    Clear comparision, thx!

    ReplyDelete
  2. Francis NicholasFebruary 28, 2013 at 1:26 PM

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

    ReplyDelete