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is it possible to create a raid 0 after win7 has been installed?

post #1 of 13
Thread Starter 
right now, i have a 400gb sata drive partitioned to give 100gb to the "c drive". i want to run a raid 0 setup up with the following, is it possible?

keep windows installed on the 100gb partition. install a new 1tb HD, with a 100gb partition created and then run a raid 0 setup using those partitions.


if i can do that, how do i go about doing it. im still using the sig mobo(790xta-ud4), which i believe had onboard raid capability.
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post #2 of 13
no.

I'm not sure, but if you create a raid array with drives that have things in them, they will be deleted.
Edited by tryagainplss - 2/4/11 at 2:48am
    
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post #3 of 13
I think you can only add a disk to an existing array. I don't think you can create an array and keep existing data
    
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post #4 of 13
when you make an array it flat out tells you all data will be lost, unfortunately
post #5 of 13
Thread Starter 
ok, thanks guys. so im assuming that creating an array from 100gb partitions off of two separate drives is ok, since nobody addressed that?


now since i need a clean install of windows, i take it that i cannot create an image of what i currently have and put it on both drives?
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post #6 of 13
The problem with your scenario is when your OS contacts another portion of the "C" RAID0 array it will slow the array and negate the improvements of RAID0.

Also the array will always default to the lowest spec'd drive of the array.

If you need RAID0 you're best off running the same model drives.

You can try your idea but it's just not worth the hassle and leaves your RAID0 info/data at risk.
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post #7 of 13
Quote:
Originally Posted by stRodda View Post
ok, thanks guys. so im assuming that creating an array from 100gb partitions off of two separate drives is ok, since nobody addressed that?


now since i need a clean install of windows, i take it that i cannot create an image of what i currently have and put it on both drives?
That would be your best solution other than a complete reinstall(which is always the best solution). You would just need to find a ghost program that will recognize the raid.
post #8 of 13
nope, you have to clean out the hard disk before attempting to raid a new partition otherwise all the data will be corrupted.
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post #9 of 13
You wouldn't want to run RAID0 on drives with multiple partitions, as another posted this would negate any performance increase you'd see due to the fact you would bascially be running 4 logical drives off 2 physical. Partitioning a drive will always add a substantial hit to R/W operations and transfer rates, it can also cause premature failure of the drive as you essentially have 1 drive trying to do the work of multiple.
post #10 of 13
Better to get 2 drives apart from the drive your OS is on. This is how I run my raid 0. My programs load super fast and I did not need to reinstall my OS, and my original partitions on my OS drive remain with no data corruption.
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