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2x Vertex 3 in Raid 0 same speeds as single drive?!??

post #1 of 29
Thread Starter 
So recently I upgraded my hard drive from a not so great Seagate 500gb 7200 rpm drive to two 500gb Caviar Blacks in Raid 0. The setup went smoothly and i never actually checked the speeds to see how they were performing because i could tell it was at least faster than what i had before.
Now i have upgraded once again to two OCZ Vertex 3 60Gb drives in Raid 0. I was under the impression it should be considerably faster than either setup i had before, but it isnt. The one place i can really tell the difference is loading programs like 3ds max which is comprised of a large number of smaller .dll files.
To get to the point, I looked up what kind of speeds i should be getting, and compared them to mine.

This is a benchmark i found to compare mine too:



557

And this is the same program showing my speeds:

501


So my ultimate question is ***FFFF??!?!
I want that! So whats wrong with my system thats causing it to perform so poorly in Raid 0? I have the latest firmware for the Vertex 3 drives and I'm fairly sure that i have the latest Raid controller for my motherboard but if the only suggestion i get from this forum is to update drivers then i'll go make sure. Just FYI, in case there are known incompatibilities, my system is as follows:

Asus Rampage III Extreme
i7 950 @3.6Ghz
12Gb 1600MHz Tripple Channel DDR3
EVGA GTX 570 usually at stock speeds
2x 60gb OCZ Vertex 3 Raid 0 (Marvell Raid VD) on SATA III
2x 500Gb Caviar Black (All the stuff I didnt want filling up the SSDs )
2Tb Caviar Black (storage only)
Corsair 850 Watt PSU
And a blu-ray drive....

Please help because i really dont want this to be money wasted on drives that are currently the same speed as the caviar blacks in raid

Any suggestions are appreciated,
Thanks.
post #2 of 29
Hi and Welcome to OCN smile.gif

Is AHCI enabled in BIOS?
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post #3 of 29
Marvel controller.

Switch it to the Intel controller and all will be well. You won't be able to get 6Gbps speeds though. One main downside of the X58.

You will be limited to around 500MB/s to 600MB/s on that motherboard unless you buy an add-in card.
Edited by Outcasst - 1/24/12 at 4:58pm
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post #4 of 29
Thread Starter 
Quote:
Originally Posted by ronnin426850 View Post

Hi and Welcome to OCN smile.gif
Is AHCI enabled in BIOS?
Yes i believe it is but noted i will make sure when i redo the system.
Quote:
Originally Posted by Outcasst View Post

Marvel controller.
Switch it to the Intel controller and all will be well. You won't be able to get 6Gbps speeds though. One main downside of the X58.
I just downloaded the "Intel(R) Rapid Storage Technology Driver Software V10.5.0.1026 for Windows Vista/7 32bit & 64bit" is that what i should be installing? If so i will back up and do that this weekend..
Why doesnt the X58 work with the 6gbps ports? isnt that supposed to be a pretty influential feature?
post #5 of 29
You will need to physically move the cables over from the Marvel ports on the motherboard to the Intel ones. That will mean re-configuring your RAID Array.

The Marvel controller is pretty much useless for any kind of performance storage setups. It's basically there to provide more SATA ports for storage devices.
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post #6 of 29
Thread Starter 
and the marvell ports are the 6gbps?
post #7 of 29
They are, but they will crawl when used in RAID as shown by your screenshot since the controller just can't handle it. You would still get better performance using the 3Gbps Intel ports.
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post #8 of 29
Thread Starter 
Would you recommend getting an add in card? is it worth the cost and effort for the performance boost? and that would take up a PCI-e slot right?
post #9 of 29
move your ssd off the marvel controller and put it on the intel controller. also make sure you have the intel sata ports in ahci mode
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post #10 of 29
Since you should be getting around the 1Gbps mark with these drives in RAID0, I would personally accept nothing less. However I have no clue about add-in cards and am not sure which ones are good. You will have to wait until somebody else replies.
Quote:
Originally Posted by firestorm1 View Post

move your ssd off the marvel controller and put it on the intel controller. also make sure you have the intel sata ports in ahci mode

I didn't think you could do both? It's either AHCI or RAID if you're using the same controller.
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OCZ Vertex 3 120GB NZXT Kraken X62 Windows 10 x64 Pro Dell S2716DG 
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