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Raid 0 2x WD 6TB blacks. TERRIBLE Write Speed. Please help!

post #1 of 8
Thread Starter 
I've tried fresh reinstalling windows like 3 times now, everytime I run crystaldisk mark I get rediculously low write speeds, with latency going up to 15000ms+

Please help me figure out what is going on. This happens with write through or delayed write cache scheme setup in the raid bios.

post #2 of 8
Maybe its a driver thing? I would look to see if there are some kind of drivers available for your motherboard. Unfortunately I am not familiar with AMD based systems.
 
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Gsvlip Dudyrm
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Oda'maksv
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post #3 of 8
I don't know - It looks about par for the course in my opinion. What are your results if you break the RAID and run it on a single drive?
post #4 of 8
Thread Starter 
Quote:
Originally Posted by Frosty288 View Post

I don't know - It looks about par for the course in my opinion. What are your results if you break the RAID and run it on a single drive?


About 175 mbs read and 175 mbs write individually.
post #5 of 8
Sounds like something going on with the RAID controller. Like I said, I am guessing driver.
 
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Gsvlip Dudyrm
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Oda'maksv
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post #6 of 8
Did you go to the website for who made your motherboard and get the latest chipset and raid drivers, and install em? Or are you just configuring it and installing windows and then testing without loading drivers? Because you most likely need to actually load drivers to get the most out of it.
post #7 of 8
Thread Starter 
i used the drivers found on amd's site for threadrippsr x399 chipset.


I have found that even though benchmark write speed is quite slow, in practice- i get write speeds around 300-400mbs while doing file transferring. so maybe its something up with the benchmark software?
Edited by happyluckbox - 9/28/17 at 3:49pm
post #8 of 8
Quote:
Originally Posted by happyluckbox View Post

i used the drivers found on amd's site for threadrippsr x399 chipset.


I have found that event though benchmark write speed is quite slow, in practice- i get write speeds around 300-400mbs while doing file transferring. so maybe its something up with the benchmark software?

Quite possibly the benchmark software just hasn't updated. You could try hdtune (free trial) but it can't run a write test benchmark unless the array is free of any partitions, which isn't possible if your OS is installed and running on the drives in question. That's about the only thing I can think of that does write testing. AIDA64 does as well but also, only if array is cleared of data first.
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