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AMD SB 950 raid controller question

post #1 of 5
Thread Starter 
Hi, quick question regarding this setup(1 ssd + 2 raid 1 HDD) for a future AMD build (using some future 900 series motherboard with amd SB950)

I have heard some conflicting information about whether or not setting a controller to RAID mode makes all non-raided devices set to AHCI. In this case, I would set the native 6gbps SB controller to raid, and would install my OS onto the SSD before then installing the raid 1 HDD. Would this work? Moreover, would the SSD lose trim/any other important functionality if i were to do this?

Thanks in advance.
    
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post #2 of 5
You are correct in your thinking. I have my SATA mode set to RAID to be able to run my RAID 0 array, but Windows is installed on the SSD. Even though it's set to RAID, the SSD is treated as AHCI since it's not part of the array. As such, TRIM works fine and no functionality is lost.
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post #3 of 5
I don't know if TRIM commands are sent to lone SSDs when in RAID mode - but AMD's drivers have come a long way in the past few months. Performance has skyrocketed. It's quite possible that it'll work exactly as you hope.
     
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post #4 of 5
Thread Starter 
Quote:
Originally Posted by Dopamin3 View Post
You are correct in your thinking. I have my SATA mode set to RAID to be able to run my RAID 0 array, but Windows is installed on the SSD. Even though it's set to RAID, the SSD is treated as AHCI since it's not part of the array. As such, TRIM works fine and no functionality is lost.
Will it be the same with an AMD system? I notice you are running intel in your sig (unless you are referring to another amd system of yours?) and I remember reading that Intel had the capability of doing what I described. However, I wasn't aware if the same functionality existed on AMD chipsets.

Thanks.
    
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post #5 of 5
Quote:
Originally Posted by salokin View Post
Will it be the same with an AMD system? I notice you are running intel in your sig (unless you are referring to another amd system of yours?) and I remember reading that Intel had the capability of doing what I described. However, I wasn't aware if the same functionality existed on AMD chipsets.

Thanks.
I'm pretty sure it should work in the same manner.
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FreeNAS
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2 x Intel 730 480GB SSD in RAID 0 Asus DRW-24B1ST/BLK/B/AS Noctua NH-D15 Winblows 10 Pro x64 
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