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Why Are My 4x 7200.10 Barracudas in RAID0 So Slow?

post #1 of 39
Thread Starter 
Well my 4 hard drives recently came back from a fresh RMA, but I used HD Tach and the score seems abysmal. Do I have another defective hard drive or is there some sort of magic driver that I'm supposed to use for much better performance?
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post #2 of 39
hmmm id go ahead and install/reinstall the latest chipset drivers for your mobo including the RAID and sata drivers.
in device manager- under scsi and raid controllers what does it say? are the drivers nvidia or microsoft?
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post #3 of 39
Probably yes...

And it doesn't show the 'usual' pattern in HD tach... It should be a downward sloping curve..

Did a quick run on my two-disk RAID0:
    
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post #4 of 39
Did you remove the cap in the back of the HD to enable SATA2 instead of SATA 1?
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post #5 of 39
Thread Starter 
Quote:
Originally Posted by Mikey122687 View Post
Did you remove the cap in the back of the HD to enable SATA2 instead of SATA 1?
A cap?! Hmmm do all hard drives have some very noticeable cap that is able to be pulled off?
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post #6 of 39
Quote:
Originally Posted by Akatsuki No Tobi View Post
A cap?! Hmmm do all hard drives have some very noticeable cap that is able to be pulled off?
Lol, yes, there is a jumper / cap on the back to change it between Sata1 and Sata2 on some newer drives.
post #7 of 39
Thread Starter 
Hmmm I didn't see any caps. I'll check right now. Where is the cap supposed to be? Oh and can anyone supply a picture of the cap? I don't really know what it is.
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post #8 of 39
There are only a few drives with that cap/jumper... Most drives automatically switch back to SATA I when encountering a SATA I connector.

I am sure those Seagates, like my WDs, do NOT have such cap/jumper.

However, even SATA I would get much better performance (did anyone say Raptor?)

This is most likely a driver issue. It very much seems like you're capped at around 80 - 90MB/s. You should get more.. and it definately isn't the motherboard (I get more on my two-disk RAID0 on the same board).

Your random access rates are also pretty bad...
    
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post #9 of 39
Quote:
Originally Posted by Chozart View Post
There are only a few drives with that cap/jumper... Most drives automatically switch back to SATA I when encountering a SATA I connector.

I am sure those Seagates, like my WDs, do NOT have such cap/jumper.

However, even SATA I would get much better performance (did anyone say Raptor?)
Chozart, Seagate does. Since i own the 320 and 400GB versions of the newer Perpendicular Drives (7200.10)

Raptors doesn't. Western Digital doesn't in general
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post #10 of 39
Thread Starter 
What drivers am I supposed to update for my HDDs?
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