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Help me setup Raid 0 please!

post #1 of 7
Thread Starter 
Well I am completely new to setting up RAID configurations. Since I had two harddrives, I thought it would be nice to increase preformace. So right now I enabled the Raid 0 setup in the bios (I think) and now I am trying to install windows 7. I set my HDD's from IDE to Raid, and there is no other raid setting in my bios, so I am pretty sure I enabled it correctly.. I am doing this on my sig rig btw.

Heres were my confusion starts. When I install windows, it askes me what drive I want to do it on, does this matter?

Also, another question I had, though I looked it up, I would like to confirm it here, I have two of the same drives, just different capacity. One is a 150, and the other is a 320. From my understanding, it uses doubles the lowest once, thus a total of 300GB of space while in a Raid 0 setup.. Correct?

Thanks



Edit- Okay I just poped in my mobo diver disk, and tried loading the Win7 64bit raid drivers, and I got an error saying "device driver could not be installed" I am assuming I wouldn't need it, and or I already have it, correct?
Edited by Nilareon - 12/30/10 at 8:51am
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post #2 of 7
If you have two different capacity drives you will not be able to set up a RAID array. They must be the same capacity. Two drives - even different brands - of the same capacity are required to set up a RAID array. Also, a RAID array would have to be defined by the user after setting the RAID option in BIOS or your drives will continue to function in IDE mode. For example - two drives - a Samsung Spinpoint and a Seagate 7200.11 - both 500 GB will be able to be added to the same array. With RAID 0 it is possible to RAID drives of differing sizes, but it often doesnt have positive results or has minor issues with file transfers. This is because a drive array performs best in drives with matching capacities. Why Windows is prompting which drive to install on is likely because you have not defined your array. This is usually done with a key combination to access the RAID BIOS after the RAID option has been set in BIOS. RAID BIOS is used to determine the array and define it.
Edited by BodyShield - 12/30/10 at 9:03am
post #3 of 7
Thread Starter 
Quote:
Originally Posted by BodyShield View Post
If you have two different capacity drives you will not be able to set up a RAID array. They must be the same capacity. Two drives - even different brands - of the same capacity are required to set up a RAID array. RAID 0 will not work with two drives of a different capacity. Also, a RAID array would have to be defined by the user after setting the RAID option in BIOS or your drives will continue to function in IDE mode. For example - two drives - a Samsung Spinpoint and a Seagate 7200.11 - both 500 GB will be able to be added to the same array. I have successfully done this - however, the drives must be the exact same size to define a RAID 0 array.
Oh. Well that completely goes against what I read on another forum, but since I am having troubles, and this isn't working. I will take your word, thanks.
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post #4 of 7
Well, let me emphasize something important here. It can be done, but it doesnt always work well. I have done it in the past, but one of the drives usually gets dropped occassionally. Dunno why but it works much better with matching drives.
post #5 of 7
Quote:
If you have two different capacity drives you will not be able to set up a RAID array.
This is totally incorrect.

Any RAID setup can be supported by different size/cache/manfg, whatever but the array will only follow the specs of the lowest performing/size/speed of the drives included in the array.

Sorry BodyShield but your advice is so incorrect I just had to say something.

This is exactly the kind of erroneous advice that shouldn't go uncorrected.
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post #6 of 7
Thread Starter 
Wait so can I setup a RAID 0 configuration with my two HDD's?
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post #7 of 7
Quote:
Originally Posted by Kirus2012 View Post
Wait so can I setup a RAID 0 configuration with my two HDD's?
Absolutely.
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