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...stion has been already asked. With four identical hard drives, I want to setup RAID 5 + 1 hot spare by a fresh CentOS (6.3) installation. I have read this article ( http://www.centos.org/docs/5/html/Deployment_Guide-en-US/s1-raid-config.html) and watched this video (http://www.youtube.com/watch?v=qm3MkuTfDLw), now I have the basic ideas. However, due to my limited experience and knowledge on this area, I am still confused. To make things easier, I only need a swap and a `/' partition. Could you give me any hint on this? What should I read to get the basic knowledge? How can I setup a simple RAID...