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Can You Raid 8 Drives In Raid 0 - Page 4

post #31 of 48
Yikes .. IDE you say?

burn: four port should be enough. Remember you can hang two drives on one cable with some four port controllers (not recommended, since it'll give you a performance hit. Several only allow one drive per channel.)

Also, that one is 64-bit PCI, which he likely does not have.

This one can handle eight drives:
http://www.newegg.com/Product/Produc...82E16816123009

Finally, I am wondering how the bandwidth of the PCI bus will be a limit.
    
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post #32 of 48
Thread Starter 
So Find a controller with 4 ports or 8 ports?
I wonder about the pci two.
And I still want this In A Raid 0 Nothing Just a Raid 0
    
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post #33 of 48
Use a 4-port one, because the 8 port one I listed is 64-bit which you don't have...Thanks Chozart for the heads up
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post #34 of 48
the on Burn linked you to is 64-Bit PCI... see the long connector.. Won't work with standard PCI.

The one I linked can handle 8 drives, but in pairs of two on the cables. With two drives on one cable, you'll get a performance hit, since only one drive at the time can use the cable.

Thus, eight connectors would be best, but likely you'll need a server motherboard with 64-bit PCI connectors to fit it.
    
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post #35 of 48
Thread Starter 
I see.
Hopely I can get the money for that card.
Do think I see Alot performance???
    
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post #36 of 48
You'll see good data throughput on those drives... depends on many factors, including the quality of the drives, the speed of the drives, etc. etc.

I am curious what you'll get out of it.
    
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post #37 of 48
if your on ata 133, with 8 port (Master and slave) with 8 drives would be about same or less as 4 drives all on Master port.
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post #38 of 48
If i remember right pci has a bandwidth limit of around 132 MBPS for 32 bit pci and , that and pci is shared, so if you have a sound card, network card, or anything else on the pci BUS when you lose more because all pci cards have to wait to talk. So the max you get 132 MB for only that raid card, 2 HD should put you at about 70 MB, 4 HD 132 MBps
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post #39 of 48
Thread Starter 
Ok now I different question.
How many drives can you have in raid 0 and would it be worth it.
    
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post #40 of 48
Quote:
Originally Posted by ELmo1989 View Post
Ok now I different question.
How many drives can you have in raid 0 and would it be worth it.
Theoretically... as many as you want. Realistically, up to the largest RAID0 card you can find. Almost definitely not worth it for two reasons.
1) Diminishing rate of return. Two drives... you double for 50% gain. Add one more... 17% gain. Add one more... 9% gain. Also, this is theoretically maximum gain. Real-world performance gain will be 1/10th or less of that for a single user. Basically, after RAID0 with two HDs, you will see maybe a few percentage performance increase depending on app. http://www.storagereview.com/php/tik...513a33598babcd
2) The rate of failure is now the MTBF of the worst drive. One drive fails... good-bye everything.
Once again...
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Once again...
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