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Does this setup support trim?

post #1 of 11
Thread Starter 
OK, I am thinking about buying 2 120gb vertex 3's. I have an asus rampage iii forumla. Will using the 2 ssd's in raid 0 support trim or not in the Marvell 6g ports?
    
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post #2 of 11
I don't believe they have TRIM working in RAID atm on the marvell controllers. They do have it on the intel controllers though.

However there are applications that can perform the same functions as TRIM so loosing it isn't the worst thing to happen.

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post #3 of 11
Thread Starter 
what would be the performance loss over time i know about garbage collection but is that as good as trim?
    
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post #4 of 11
Essentially they are pretty much the same, The performance gain of RAID far outweighs the loss of TRIM.

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post #5 of 11
Quote:
Originally Posted by compuman145 View Post
I don't believe they have TRIM working in RAID atm on the marvell controllers. They do have it on the intel controllers though.

However there are applications that can perform the same functions as TRIM so loosing it isn't the worst thing to happen.

Comps
Do you have a source for this? The last I heard NO controller supported TRIM in RAID.

Also garbage collection (the application you were referring to) isn't exactly the same as TRIM. There are some downsides to GC that TRIM doesn't have.
post #6 of 11
The Intel controller (nor any other) doesn't support trim on the drives if they are in RAID, however if you have a single SSD and two HDD in RAID you can still trim the SSD.

The Vertex 2 drives (and all other Sandforce drives with the same controller) have very good GC so I think the Vertex 3 should also have good GC, but I am not sure.
Edited by mdatmo - 4/21/11 at 5:15pm
 
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post #7 of 11
post #8 of 11
Quote:
Originally Posted by compuman145 View Post
Read up on that. It turns out that is incorrect. I know because I originally thought the same thing.


Quote:
Originally Posted by mdatmo View Post
The Intel controller (nor any other) doesn't support trim on the drives if they are in RAID, however if you have a single SSD and two HDD in RAID you can still trim the SSD.

This is what that "intel releases trim for raid" article was about.
post #9 of 11
Is garbage collection an automatic feature or does it need to be enabled in Windows?
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post #10 of 11
Quote:
Originally Posted by stargate125645 View Post
Is garbage collection an automatic feature or does it need to be enabled in Windows?
Yes. It happens independent of Windows.
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