Raptor RAID 0(2 X 74Gb)

[Nanometer]

How do I fix this? Stripe size? Don't user silicon controller?

[mdzcpa]

Use the Nvidia controller
Defrag the array
Turn off command queing

[mdzcpa]

No, he's definitely running a bit slower than he should be for a pair of raid 74g raptors. Burst speed should be well over 200 MB/s, and sustained sequential read should be a bit over 100.0 MB/s. His bench isn't bad, but it can definitely be tweaked.

[Nanometer]

SATA 150mb/s limit is for one drive.

I'll see if that helps.

[Nanometer]

I don't see an option for that with the Sili controller.

I think the NB controller is what I should have used, does anyone know of chipset drivers that will allow this with Raptor RAID? 6.7 and 6.66 doesn't work with Raptors and NF4 for me.


It's also just defragged, I really need to find drivers to make them work. What does everyone else with Raptors in raid use in an NF4?

[mdzcpa]

Run off the Nvidia controller.
Use these simple 6.70 NF4 drivers.
http://www.nvidia.com/object/nforce_..._amd_6.70.html

Then:
Device manager>ATA ATAPI Controllers>nforce 4 Serial ATA Controller
Right Click for Properties, then go to Primary and Secondary Channel tabs. Deselect NCQ.

Go to this thread for more good info:
http://www.xtremesystems.org/forums/...ad.php?t=98643

I don't see an option for that with the Sili controller.

I think the NB controller is what I should have used, does anyone know of chipset drivers that will allow this with Raptor RAID? 6.7 and 6.66 doesn't work with Raptors and NF4 for me.


It's also just defragged, I really need to find drivers to make them work. What does everyone else with Raptors in raid use in an NF4?

[Nanometer]

I used those drivers, but there were still problems getting the raptors to run in RAID 0. Alsom why dissable native command queing?

[mdzcpa]

NCQ is for the server environment with a large number of file requests coming in simultaneously. For desktop use NCQ adds nothing and slows things down.

[kiwi]

Are you using PCI raid card? If using PCI card (I have promise) for raid I have the same low performance and I have no idea how to improve it. Using nvraid shows fine numbers though, check here:
http://www.xtremesystems.org/forums/...ad.php?t=99487

[safan80]

there's info in this thread I posted that might help
http://www.xtremesystems.org/forums/...highlight=raid