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Old 02-12-2007, 04:39 AM   #1 (permalink)
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Default What is a "RAID"?

I have a feeling this term is somewhat new, and I've been out of the computer tech business for a while since I'm deployed. What is a RAID? What is it used for? What benefits does it have?

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Old 02-12-2007, 05:58 AM   #2 (permalink)
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its hard drive thing, been discussed loads before, and involves more typing that i can be bothered to do lol. Stick it in search or go to wiki.

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Old 02-12-2007, 01:47 PM   #3 (permalink)
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It's a Reduntant Array of Independant Disks.

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Old 02-12-2007, 03:00 PM   #4 (permalink)
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In a nut shell:

RAID 0 -> Data is split between even number of disks, which makes read and write times faster.

RAID 1 -> Data is duplicated to other disks so that if a sector on the primary disk fails it is recoverable.

RAID 1/0 -> Data is split between even numbers of disks and further duplicated to other disks.

Those are the 3 most common RAID configuration, there are others but are not used often.
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Old 02-13-2007, 07:11 AM   #5 (permalink)
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raid 5 is also pretty common,
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Old 02-13-2007, 07:21 AM   #6 (permalink)
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RAID 0 doesn't require an even number of disks, just two or more disks. RAID certainly isn't anything new mate i've never bothered to look into how old it is but i have a server in my spare room from 1996 that was equipped stock with an SCSI RAID array.

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