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Does this RAID controller exist? - Page 2

post #11 of 16
Thread Starter 
Quote:
Originally Posted by PR-Imagery View Post

Well it is LSI... Kinda like asking if Intel makes cpus.
Support depends on the capability of the motherboard in question.

I'm still new to the RAID world. I didn't know who LSI, Adaptec, or HighPoint were until about a week ago when I started researching these things.

That said, I've seen a few reviews complaining about LSI and commercial motherboards. Thus, I figured I'd throw that question out to see if it's a known problem or an isolate issue.
Edited by pocketdrummer - 5/17/13 at 12:06pm
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post #12 of 16
Some mothereboards just won't recognize the card. I believe its more a limitation of the board rather than the card itself.

I'm working with LSI and Gigabyte now to try and get my 9260-8i working with my Sniper3
post #13 of 16
Thread Starter 
Here's one thing I found odd about these responses.

Look at the response from LSI:
Quote:
That said, these are all functions of the Samsung drive (Garbage Collection) or Windows (TRIM) Command and does not require “support” by the controller you plan to use with your SSD drives (be it LSI or some other brand), e.g. mutually exclusive.

And the response from Adaptec:
Quote:
I don't know whether TRIM support can be implemented, as the OS needs to have access to the physical drives in order to run a TRIM command. We can not allow this on a RAID array, as this could influence the data integrity on a synchronized array. At least I haven't heard of anything in this direction that can be expected soon.


Don't those statements contradict one another? Or is LSI talking about simply connect the drives to the controller as independent disks while Adaptec is talking about using them in a RAID configuration?
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post #14 of 16
Thread Starter 
Quote:
Originally Posted by DuckieHo View Post

That just tells you the OS is passing the TRIM command. The controller and SSD must also support it.

If you want RAID0/1 and TRIM, get an Intel motherboard.... however, RAID0 does not really provide much real world benefit for consumers.

I found an article on how to verify TRIM is working. It's not the basic 1 or 0 check, it requires a hex editor and a little bit of work. I hope this is of some use to you guys:
http://www.anandtech.com/show/6477/trim-raid0-ssd-arrays-work-with-intel-6series-motherboards-too/2
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post #15 of 16
In raid the OS doesn't have direct access to the drives, only the volume created by the controller. The os doesn't know if its 1 drive or 6, idk what sorcery Intel has done to get it to work, but I'd assume addressing each drive is part of the problem with trim/garbage collection on drives in raid arrays. LSI it seems was referring more so to the Samsung implementation specifically.
post #16 of 16
I am lusting over the 9270CCv series cards, waiting for them to come out with a 16i or 24i4e version. PCIe3.0, CacheCade, and CacheVault with some serious potential throughput... Drool
   
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