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SSD and P-171-FX RAID 0 and TRIM

post #1 of 5
12/11/09 at 11:38pm
Thread Starter 
I'm getting 2 kingston 64gb drives and plan on running in RAID 0. Has anyone done this? I'm going to be using windows 7 and just wondering how I need to TRIM the drives!

Thanks
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post #2 of 5
12/12/09 at 6:42am
As long as the SSDs drives support the TRIM functionality, Windows 7 will take care on its own.

cheers ...
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post #3 of 5
12/19/09 at 12:58am
Thread Starter 
Well I changed pace...went with 2 80gb intels.... questionable performance. I mean this is awesome no doubt, but I expected almost twice the bandwidth


I expected higher...and it's just not the snappiness I expected. I have a 40gb kingston (the knock-off Intel) in my desktop and windows loads faster, firefox pops up, my siderbar etc instantly. It seems to lag slightly in this setup, although it is faster.

Any thoughts? My chipset has the latest drivers, it's an ICH8M with matrix RAID...

I tried both 64bit and 128bit sectors (read 64 was the best...had similiar results (maybe a tad higher), but still limited.
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post #4 of 5
12/19/09 at 7:58am
I personally never saw a big difference in 64K or 128K (or 256K even) stripe size when using Raid with SSD.

In your situation I suspect that the Raid engine on the PC is better than the one on the notebook - thus the difference in snappiness.

cheers ...
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post #5 of 5
12/19/09 at 7:52pm
You expected twice the bandwidth? So what 400MB/s on a SATA 2 that is only theoretically capable of 300MB/s?

On your scores you seem to be getting zero performance benefit from RAID?

Look at this I found.


In your bench your high is fine but something seems to be stealing performance I would expect a more flat line which would raise your average. But once again are you getting any benefit from RAID I don't see it. I actually wonder if your RAID is causing your lack of snappiness. I mean if it is not giving increased bandwidth running RAID is just another level of instructions that could be slowing responsiveness. I would test with single SSD and see if performance is better.
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