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what is raid


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#1
stewartwalters

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hi there
can someone tell me what raid is and what does it do in lamens terms please
thanks
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#2
gerryf

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RAID makes to harddrives act like one. To your OS, it appears to be one.

It can improve performance by splitting the work between two drives or it can give you redundancy by creating two drives that are the same so that your data is always in two ways at once
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#3
Greazy

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You can also take it up a notch to RAID 5, with a minimum of 3 hard drives, you can create an extremely redundant array that is hot swappable. If one of the hard drives fail, you can replace it without ever turning off the machine or losing the data that was stored on that drive. This is far more expensive than RAID0 or 1 and is intended for cases where major redundancy is needed.
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#4
gerryf

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that is hot swappable. 

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only if the card supports it
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#5
Greazy

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CORRECTAMUNDO!! I just figured that the explanation that was given was detailed enough for the question that was asked... Sorry, will be more elaborate next time. :tazz:
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