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Raid 5 terrible write speeds with ICH10R controller in windows 8

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Hello,
I have just created a RAID 5 array of 5 2TB Drives (Western Digital AV-GP WD20EURS) Using the onboard ICH10R controller on my Asus p6x58d-e motherboard.
The write speed to the array is extremely low (~6MBps) and the read speed is also terrible (50 MBps).
As Far as I know this is not normal, I should be getting read/write speeds greater than that of the single drives (which used to write at ~80MBps by themselves). I have looked over other people's similar problems, but none of them helped me.
I am left wondering whether it is that my RAID controller is crappy, or perhaps a driver issue as I have just installed Windows 8, and the p6x58d-e has no official drivers for it...
Suggestions Please?

More about : raid terrible write speeds ich10r controller windows

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t53186 said:
I just checked the intel site and all of their boards using the X58 chipset none of them have drivers available, such as the IRST version 10.1.0.1008 that is available for WIN7.

Try this intel tool http://www.intel.com/support/Win8.htm

You could also try running a win7 driver to see what happens. I've do so with raid drivers and had some success.


I Downloaded the new RAID driver that your link got me, the Intel Control Center told me that the Array was still only 30% Initialized, which would probably be what is causing the slow speeds.

I'll wait for it to finish and then try again, thanks very much for your help.
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gingavitis said:
Hello,
I have just created a RAID 5 array of 5 2TB Drives (Western Digital AV-GP WD20EURS) Using the onboard ICH10R controller on my Asus p6x58d-e motherboard.
The write speed to the array is extremely low (~6MBps) and the read speed is also terrible (50 MBps).
As Far as I know this is not normal, I should be getting read/write speeds greater than that of the single drives (which used to write at ~80MBps by themselves). I have looked over other people's similar problems, but none of them helped me.
I am left wondering whether it is that my RAID controller is crappy, or perhaps a driver issue as I have just installed Windows 8, and the p6x58d-e has no official drivers for it...
Suggestions Please?


Why in the world ! That you want to use the fake RAID5 (software)
Get a SPM393 like i do and never look back
http://www.amazon.com/multiplier-hardware-RAID0-CLONE-C...

gingavitis said:
I Downloaded the new RAID driver that your link got me, the Intel Control Center told me that the Array was still only 30% Initialized, which would probably be what is causing the slow speeds.

I'll wait for it to finish and then try again, thanks very much for your help.


If it's still initializing, that is definitely why your performance is so low. Another thing to try is to enable write caching which will significantly improve the write performance. I'm not 100% sure how you do that on your motherboard, but I think it is done through the RAID software.
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