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What does RAID stand for?

post #1 of 8
Thread Starter 
I have heard people say that RAID means "Redundant Array of Inexpensive Dives", Redundant Array of Identical Drives" or "Redundant Array of Independent Drives". Witch one is it?
post #2 of 8
Your first answer
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post #3 of 8
Quote:
In 1987, three researchers at the University of California Berkeley, published a paper called "A Case for Redundant Arrays of Inexpensive (Independent has replaced Inexpensive) Disks (RAID)."
http://www.enterprisestorageforum.co...cle.php/766121
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post #4 of 8
Thread Starter 
Uhh, if I read that right, it says that Inexpensive has been replaced by Independent. Also, I A+ Certification book I am reading says it is "Redundant Array of Independent Drives".
post #5 of 8
It started as "inexpensive". When RAID was invented, high quality drives were very expensive. RAID was an alternative to use less expensive disks and still get high quality disk performance (measured in failover and uptime, not necessarily in read/write speed).

Most people do seem to use "independent" these days though, probably because all disks are fairly inexpensive.

That A+ book is wrong though, the D has always stood for "disks", not "drives". Whoever said the I is for "identical" is equally misguided, I have never even heard that one.
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post #6 of 8
yup changed from inexpensive to independent is how I know it from uni.
post #7 of 8
My choice of response probably indicates my age lol
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post #8 of 8
Thread Starter 
Quote:
Originally Posted by VulcanDragon
That A+ book is wrong though, the D has always stood for "disks", not "drives". Whoever said the I is for "identical" is equally misguided, I have never even heard that one.
Actually, it is I that am wrong. I misread the line, lol. Thanks for clearing this up for me guys! Appropriate REPs have been given!
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