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Slow raid 0?

post #1 of 16
Thread Starter 
I just got 2 250's today and a promise raid controller. The speed is faster than before but when i bench the drives, I get 98.2MB/s burst o.0 When I benchmark my other sata drives the burst speed is faster. My max read speed is only 90MB/s also, on the array. Is this normal?
    
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post #2 of 16
what kind of drives? that does seem kinda low i get 120 with a single drive and 200 with 2 in raid on my crappy ULI controller. what stripe size are you using? check the bios (and raid bios to make sure you have everything set up right) lastly if your drives are sata 300 even if your promise controller only supports sata 150 it's usually good to take the jumper off that tells it to slow to 150, you will get better speeds that way and if your controller spases out you can always just put the jumper back on.
post #3 of 16
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post #4 of 16
Yep that is waaay too slow, my 2x Samsung Spinponts achieve 332.5Mb/s burst rate using my onboard RAID controller.
 
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post #5 of 16
I think that's normal when RAIDed, but y'all say it's wrong, wth?
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post #6 of 16
What kind of hdd benchmark are ya'll using?
post #7 of 16
Quote:
Originally Posted by RaCeR123 View Post
What kind of hdd benchmark are ya'll using?
HDTach.
#well
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#well
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post #8 of 16
Thread Starter 
Yea i duno im using hdtach and stripe size is 64kb. I have not touched the drive jumpers and the bios is up to date on the raid card.
Any ideas? This is bugging me lol
    
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post #9 of 16
My stripe size is on 128k for best performance, and i use HDTach

 
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post #10 of 16
Thread Starter 
omg.. what can I do?
    
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Crucial M550 256 Random 1TB RAID1 Noctua NH-D14 10 x64 
MonitorKeyboardPowerCase
BENQ 24" 1200p + 22" 1080p Razer cr@p CX750M Cooler Master Microatx 
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Logitech G402 Onboard FTL - CMOY amp + Beyer DT770 80ohm 
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