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Old January 1, 2009, 09:56 PM
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if i am feeling energetic maybe lol. According to people on XS my results are odd. People are saying that SSDs usually perform best with 128 k block size. Not 4k like mine. Although most people don't onboard for SSD's.
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Old January 1, 2009, 10:37 PM
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Well lowfat thanks for results.. Very odd indeed to see an SSD RAID0 doing well on a 4k stripe rather than a 128k stripe..
But speed on a 4k almost doubled than from a 120k stripe..

This isn't sounding to good with your drives bro.. Hope you have luck getting these to work at normal 12k stripe.
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Old January 1, 2009, 10:47 PM
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I assume the results are going to very different when using the Areca controller. I am betting 128k/256k will dominate. The Perc 5/i is a SAS controller and I've heard SSD's also don't do well on them, so I don't assume it will do much better than onboard.
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Old January 1, 2009, 11:02 PM
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Quote:
Originally Posted by lowfat View Post
I assume the results are going to very different when using the Areca controller. I am betting 128k/256k will dominate. The Perc 5/i is a SAS controller and I've heard SSD's also don't do well on them, so I don't assume it will do much better than onboard.
I'm very curious to see how the results will be on the Perc 5/i. I doubt that they'll be no improvement over the ICH10R, there simply must be an improvement, its a remarkably strong controller based on an LSI design(its basically a Dell branded LSI card). I suspect the Areca will be the king in these tests, but I have high hopes for the Perc 5/i as its more accessible(cheap on ebay) than the Areca.

Can't wait to see the results!
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Old January 3, 2009, 01:10 PM
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Quote:
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I assume the results are going to very different when using the Areca controller. I am betting 128k/256k will dominate. The Perc 5/i is a SAS controller and I've heard SSD's also don't do well on them, so I don't assume it will do much better than onboard.
Yes that makes perfect sense, I must apologize I didn't read properly that you were using SAS controllers..
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Old January 8, 2009, 01:28 PM
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ICH10R, 4 drives, 128k stripe



once again both HD Tach and HD Tune are showing slower than a single drive. So either both these program don't test data in a way that shows the speed of the array or the bigger block size really performs poorly. I do intend to install an OS on both the 4k and 128k block sized stripes in order to see how they feel in real world. But I'll be doing that later.
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Old January 8, 2009, 02:23 PM
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so, for the fastest stripe, you want 128k, normally?
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Old January 8, 2009, 02:42 PM
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Yes. According to XS 128-bit or even 256-bit is the top performer.
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Old January 8, 2009, 02:43 PM
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ICH10R, 4 Disk RAID0, 64k stripe




So with 64k no improvement in HD Tach or HD Tune, but a 100mb/s drop in ATTO!
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Old January 8, 2009, 03:19 PM
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ICH10R, 4 drive RAID0, 16k



So both HD Tach & HD Tune perform better, but still pretty lousy. And ATTO is not doing near like it was @ 128k.
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