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Joshua Boniface 2016-09-28 12:01:52 -04:00
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content/CONTACT.md
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title = "About us"
description = "raidisnotabackup.com is a PSA created by Joshua Boniface of Boniface Labs"
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If you have any questions, concerns, or comments about this page, please contact me. If you want to ask dumb questions about RAID or argue with me, don't. Thanks.

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title = "What is RAID?"
description = "RAID stands for 'Redundant Array of [Independent/Inexpensive] Disks'"
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It is a common technique to provide _resiliency_ and _availability_ to a set of data and protect against one of the most common data loss scenarios: the failure of a disk.
The simplest type of RAID is a 'mirror', which does just what it sounds like: keeps two (or more) copies of data on two (or more) different disks. If one disk fails, the second copy is still available and no data loss has occurred.
There also exist more advanced modes, the most common of which is called RAID-5, and consists of 3 or more disks with data stripped (written sequentially) across the disks.
The [Wikipedia](http://en.wikipedia.org/wiki/) page for RAID provides some helpful information about the history and bennefits of the various RAID implementations.