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Raid 0 SSD speed issues - Page 3

post #21 of 33
Quote:
Originally Posted by Murlocke View Post

Quote:
Originally Posted by Sean Webster View Post

But, the X25-V has built-in garbage-collection.

Wait what? I guess with this many SSDs on the market i'm starting to get them confused. Could of swore the X25-V had TRIM but lacked any type of garbage collection when in RAID. It's getting late here and I got up way too early, maybe it's time for bed. I stand corrected.

Actually I can't think of any SSD that does not have GC. And yes, TRIM as far I know simply optimizes GC and speeds it up.
Quote:
I will say that, in my opinion, I still feel raiding SSDs is near pointless. There are no real world benefits unless you are doing massive file transfers and need the extra sustained speed. Most SSDs now are offering the same price per gig ratio on all their models, and it's just better to grab a single 256GB SSD than 2x 128GB when both models support TRIM. Strictly my opinion ofc.
I almost completely agree. biggrin.gif

There is still the pro of having double the space at a later time and say you don't want to go through the hassle of selling lol.

My buddy has 2 M4 128GB drives and says there is really no difference in speeds too, only in benches. lol
post #22 of 33
Quote:
Originally Posted by ajslay View Post

Quote:
Originally Posted by Sean Webster View Post

But, the X25-V has built-in garbage-collection.
TRIM simply does not work in RAID for SSDs in an array as of yet. If the SATA mode is set to RAID and the SSD is not part of a RAID array then that is when TRIM does work, but not when two SSDs are put in RAID together.

well, intel supposedly is going to release a driver that enables trim on their drives when in a raid array

technically trim does work with raid, apparently its the storage controllers fault. not windows. windows is perfectly capable of trimming raided ssds. doesn't really matter tho… as long as the ssd has garbage collection there shouldn't be an issue.

Perfectly capable of trimming ssds? Where did you got that info? Or did you just made it up?
post #23 of 33
Quote:
Originally Posted by ajslay View Post

well, intel supposedly is going to release a driver that enables trim on their drives when in a raid array
technically trim does work with raid, apparently its the storage controllers fault. not windows. windows is perfectly capable of trimming raided ssds. doesn't really matter tho… as long as the ssd has garbage collection there shouldn't be an issue.
Quote:
Originally Posted by ghostrider85 View Post

Perfectly capable of trimming ssds? Where did you got that info? Or did you just made it up?

I did not make this up. heres the post on toms hardware.

http://www.tomshardware.com/news/Intel-RST-SSD-TRIM-RAID,14048.html
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post #24 of 33
Quote:
Originally Posted by Sean Webster View Post

Actually I can't think of any SSD that does not have GC. And yes, TRIM as far I know simply optimizes GC and speeds it up.

This is odd, I don't know what happening to my SSDs then. When I had 2x 80GB X25-M in Raid 0 my write performance was about 70% worse after 3 months of use. Read speed was about 40% worse. I was constantly secure erasing to keep them running good. Maybe something else was going on, but i've heard of people report similar issues on the forums when using Raid 0 with older SSDs. I was under the impression garbage collection was simply not working at all on some models if you put them in RAID. This was quite a long time ago, 3ish years?, so maybe something has changed by now.

I haven't exactly been following hardware as close as I would of liked this last year or so. My knowledge of things is more fuzzy now, and i'm definitely not up to speed on everything like I use to be.
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post #25 of 33
Quote:
Originally Posted by Murlocke View Post

Quote:
Originally Posted by Sean Webster View Post

Actually I can't think of any SSD that does not have GC. And yes, TRIM as far I know simply optimizes GC and speeds it up.

This is odd, I don't know what happening to my SSDs then. When I had 2x 80GB X25-M in Raid 0 my write performance was about 70% worse after 3 months of use. Read speed was about 40% worse. I was constantly secure erasing to keep them running good. Maybe something else was going on, but i've heard of people report similar issues on the forums when using Raid 0 with older SSDs. I was under the impression garbage collection was simply not working at all on some models if you put them in RAID. This was quite a long time ago, 3ish years?, so maybe something has changed by now.

I haven't exactly been following hardware as close as I would of liked this last year or so. My knowledge of things is more fuzzy now, and i'm definitely not up to speed on everything like I use to be.

Well some garbage collection routines are better than others and there are different types like real time and idle time/background GC. I think that the X-25-M has only real time? I am not sure exactly. Maybe just its routine was not that well coded? Usually reads are not affected much. My friend has 2 Corsair Performance 3's which have been in RAID 0 for almost a year now and they have had no slow down in reads or writes at all!

Also, what is funny for me, my M4 had a weird drop in its scores overall, but the 4K-Thrd reads in AS SSD got cut in half with TRIM! It never went back up until I did a secure erase.

I honestly don't know why that is and know one I have asked could tell me.

Maybe we could look into it more and find out? lol DuckieHo may know...
post #26 of 33
Quote:
Originally Posted by ajslay View Post

Quote:
Originally Posted by ajslay View Post

well, intel supposedly is going to release a driver that enables trim on their drives when in a raid array
technically trim does work with raid, apparently its the storage controllers fault. not windows. windows is perfectly capable of trimming raided ssds. doesn't really matter tho… as long as the ssd has garbage collection there shouldn't be an issue.
Quote:
Originally Posted by ghostrider85 View Post

Perfectly capable of trimming ssds? Where did you got that info? Or did you just made it up?

I did not make this up. heres the post on toms hardware.

http://www.tomshardware.com/news/Intel-RST-SSD-TRIM-RAID,14048.html

It doesn't says that windows is perfectly capable of trimming ssds in raid
post #27 of 33
Quote:
Originally Posted by ghostrider85 View Post

It doesn't says that windows is perfectly capable of trimming ssds in raid

did you read the comments? or do more research on it? windows is capable, it just cannot get past the storage controller as of yet.
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post #28 of 33
Comments? Don't believe everything that you read bro. Ask for a proof. Anyone.can say anything, even if its false
post #29 of 33
Quote:
Originally Posted by ghostrider85 View Post

Comments? Don't believe everything that you read bro. Ask for a proof. Anyone.can say anything, even if its false

you don't think I know that? tongue.gif I said research too to make sure what they were saying was true lol
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post #30 of 33
Quote:
Originally Posted by ajslay View Post

Quote:
Originally Posted by ghostrider85 View Post

Comments? Don't believe everything that you read bro. Ask for a proof. Anyone.can say anything, even if its false

you don't think I know that? tongue.gif I said research too to make sure what they were saying was true lol

Nah, i won't bother, ill just wait for intel to release a driver that supports trim in raid.
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