RAID clarification

Posted by waiwai933 on Super User See other posts from Super User or by waiwai933
Published on 2010-05-04T04:34:16Z Indexed on 2010/05/04 4:38 UTC
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raid

Ok, I thought I understood RAID, but I'm looking at images from Wikipedia, and it doesn't seem like I do. For example, take this image:

What does the 'parity' do? For example, what happens if Disk 2 suddenly fails? How does the system recover?

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Developer IT

RAID clarification - Developer IT

RAID clarification

raid

Related posts about raid

Booting from integrated RAID controller when another RAID controller is installed in a PCIe slot

Onboard RAID vs Software RAID

RAID-1 and regular drive removal (using RAID-1 as a backup measure)

Explain difference in SQLIO numbers for RAID 0 versus RAID 5 over 6 disks

RAID 5 RECONSTRUCT with RAID Reconstructor

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