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post #11 of 12
The most popular PCI RAID controller for normal home use is the DELL PERC 5i as far as I know. Quite pricey but you should be able to pick a used one up for a good price.

On a seperate note...

Looking into the card, it is only compliant with SATA 1 http://www.siliconimage.com/products/product.aspx?pid=28

Even though SATA is backwards compatible, i'm wondering if the card itself is sturggling, particularly if you have SATA 3 WD Greens, this may be why the RAID mgt software is showing an error.

Just to give you an idea, connected directly to my MB, my SATA 2, 2TB WD Greens achieved about 80Mb/s when I had them in RAID 5 before I decided to go for 2 in RAID 0 with a single 2TB backup drive, that was connected directly to my MB SATA ports.
I can't remeber the exact figures but my stripe has excellent burst speeds and somewhere between 150-200 Mb/s normal write.

Is using the MB SATA ports not an option for the 4 drives?

Depending on storage space required, i would reccomend a striped mirror (RAID 10 = 2x2TB stripe, mirrored to another 2x2TB stripe).
RAID 5 rebuild times are ridiculous without a really good controller, 10 is the best performance/redundancy confir.

Depending on the importance of the data, the best performance would be 3x2TB in RAID 0 with a single 2TB drive as a backup device for anything that is important from the stripe.
     
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post #12 of 12
Thread Starter 
Quote:
Originally Posted by Mattyd893 View Post

The most popular PCI RAID controller for normal home use is the DELL PERC 5i as far as I know. Quite pricey but you should be able to pick a used one up for a good price.
On a seperate note...
Looking into the card, it is only compliant with SATA 1 http://www.siliconimage.com/products/product.aspx?pid=28
Even though SATA is backwards compatible, i'm wondering if the card itself is sturggling, particularly if you have SATA 3 WD Greens, this may be why the RAID mgt software is showing an error.
Just to give you an idea, connected directly to my MB, my SATA 2, 2TB WD Greens achieved about 80Mb/s when I had them in RAID 5 before I decided to go for 2 in RAID 0 with a single 2TB backup drive, that was connected directly to my MB SATA ports.
I can't remeber the exact figures but my stripe has excellent burst speeds and somewhere between 150-200 Mb/s normal write.
Is using the MB SATA ports not an option for the 4 drives?
Depending on storage space required, i would reccomend a striped mirror (RAID 10 = 2x2TB stripe, mirrored to another 2x2TB stripe).
RAID 5 rebuild times are ridiculous without a really good controller, 10 is the best performance/redundancy confir.
Depending on the importance of the data, the best performance would be 3x2TB in RAID 0 with a single 2TB drive as a backup device for anything that is important from the stripe.

thanks, and yeah it's sata I,but I thought it would be able to do atleast the speed of the pci bus/max speed of sata one spread. and yeah haven't had time to update this thread. the setup has been changed to raid 10, though instead of 2MB/s its now doing 25MB/s which still is really slow, but is an improvement.
Shironeko
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Shironeko
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1xWD 320GB, 2xWD 1TB raid 0, 2x WD 2TB Sata DVD burner Prolimatech Megahalem Windows 7 Ultimate x64 
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22" Aoc 2217v 10000:1 5ms G15 V2 Corsair TX750 Lian Li V1000 plus (modded) 
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65w Lenovo Power Adapter Lenovo x200T Trackpoint 
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Stock Poweredge 2600 case 
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