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JamesC
nFHQ Member
Joined: 02 Jan 2008
Posts: 5
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 Posted: Mon Jan 14, 2008 8:07 pm Post subject: nForce 590 (M2N32-SLI Deluxe) RAID 1 very slow |
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Hi,
I'm getting very strange performance with my raid 1 array. I have an ASUS M2N32-SLi Deluxe and the windows boot disk with a raid 0 array which performs well. However the raid 1 array I can only get ~30MB/s read and 60MB/s write... this doesn't make sense since for raid 1 read *should* be quicker than write (I guess about the performance of raid 0 read since it can take the data off both drives). Any ideas whats causing this problem?
Cheers,
James
Last edited by JamesC on Wed Jan 16, 2008 2:44 pm; edited 2 times in total |
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JTKWalesUK1981
nForce Aware
Joined: 09 May 2007
Posts: 301
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| Posted: Mon Jan 14, 2008 10:18 pm Post subject: |
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have u tried updating the bios?
i was having data transfer problems and when i updated my bios it seemed to have helped |
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JamesC
nFHQ Member
Joined: 02 Jan 2008
Posts: 5
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| Posted: Tue Jan 15, 2008 9:11 am Post subject: |
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Yep I have the latest M2N-SLI Deluxe BIOS (1503). I did alot of fiddling around last night, I changed the disks from raid 1 to raid 0 and saw normal raid 1 speeds (~160MB/s+ burst, 90MB/s+ average) however when changing back to raid 1 the read speeds just go way down to 35-40MB/s average. I also tried the disks on their own where I go ~60MB/s average. I still can't see why RAID 1 would slow the read speeds down... it surely should speed them up or at least be the same as the individual disks...
Any more ideas would be much appreciated!
--EDIT
Just to let you know I have just tried changing the windows drivers for the sata controllers but hasn't helped the speeds at all, I switched from the latest nforce 590 AMD drivers to the drivers that came with the motherboard but no difference.
Last edited by JamesC on Tue Jan 15, 2008 10:28 am; edited 1 time in total |
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JTKWalesUK1981
nForce Aware
Joined: 09 May 2007
Posts: 301
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| Posted: Tue Jan 15, 2008 9:58 pm Post subject: |
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u keep refuring to it as Nforce 590. My M2N-SLI Deluxe is a 570 SLI.
You havnt installed wrong drivers? |
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JamesC
nFHQ Member
Joined: 02 Jan 2008
Posts: 5
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| Posted: Wed Jan 16, 2008 8:45 am Post subject: |
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| Nope its definitely the nForce 590, it is an M2N32-SLi Deluxe WiFi so I believe I have the correct drivers! |
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JTKWalesUK1981
nForce Aware
Joined: 09 May 2007
Posts: 301
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| Posted: Wed Jan 16, 2008 12:01 pm Post subject: |
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| so its not the M2N SLI Deluxe, its the M2N32 they r different boards. |
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JamesC
nFHQ Member
Joined: 02 Jan 2008
Posts: 5
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| Posted: Wed Jan 16, 2008 2:43 pm Post subject: |
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| Sorry my mistake! Mistype in the first post I did mean the M2N32 sorry! |
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