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Is it a normal result for RAID 0 mushkin chronos 240GB? - Page 2

post #11 of 74
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Quote:
Originally Posted by -tPg- HeadShot View Post

Run ATTO and come back with your results they'll look much better, but it won't change the performance.
Nick
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i have a picture of my ATTO run but you wont be able to see - - i dont know how to zoom the picture and save it with the zoom so you can see
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post #12 of 74
What are the highest R/W speeds you get in ATTO? You should be getting anywhere from 7-1000 depending on what controller you're using on your motherboard

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post #13 of 74
sorry to resurrect but I am having (I think( similar performance trouble with same 2x Mushkin Chronos 240gb in raid0. a single drive can hit over 500MB/s in Sequential Read of AS SSD, but once raided they do not go above 395MB/s which is awkward knowing that most SSDs double that value while in raid0.

also, can anybody remembering those numbers from OP (AS SSD or CDM) post them? the pic in OP is gone and nobody ever wrote that in text ... this is so far the only thread I found mentioning those drives.

for future reference of later generations here are my benchmarks with AS SSD done on Maximus V Extreme using intel SATAIII/6G ports, BIOS 1707, OROM 11.0.1339 and IRST driver 11.7 under win8x64 (UEFI boot mode with secure boot):

a) either of single Chronos 240GB (non-deluxe) drives, either in AHCI or RAID controller mode


b) 2x chronos 240gb in raid0 (128KB strip, write-back cache enabled) - that's a pure sadness in performance category down there


in ATTO everything looks normal good (up to 1050MB/s or so), but that software uses uncompressed data fill, no? useless for real life comparisons ...

... why didn't I go with samsung pro ssds ...
Edited by feniks - 3/31/13 at 11:03pm
post #14 of 74
You need to flash your bios with modded OROM that suppot TRIM in RAID field on X79
Here you have how to and modded OROM,look for:
Speziell modif. Intel RST(e) RAID ROM v11.6.0.1702 mit TRIM im RAID0 für X79-Systeme
You probably would not see "super raid results" in EFI compare to normal installation:
Pictures in the end of first post:
http://www.win-lite.de/wbb/board195-windows-7/board198-win7-treiber/17263-intel-r-rapid-storage-technologie-neu-v12-5-0-1066-whql/#post156504
Tnx to Fernando for compering those two with benching i would not go for EFI quite some time.
post #15 of 74
Quote:
Originally Posted by Unit Igor View Post

You need to flash your bios with modded OROM that suppot TRIM in RAID field on X79
Here you have how to and modded OROM,look for:
Speziell modif. Intel RST(e) RAID ROM v11.6.0.1702 mit TRIM im RAID0 für X79-Systeme
You probably would not see "super raid results" in EFI compare to normal installation:
Pictures in the end of first post:
http://www.win-lite.de/wbb/board195-windows-7/board198-win7-treiber/17263-intel-r-rapid-storage-technologie-neu-v12-5-0-1066-whql/#post156504
Tnx to Fernando for compering those two with benching i would not go for EFI quite some time.

thanks, I'm running Z77 with 11.0 OROM, it does support TRIM in RAID, no problem with that.

so the speed gain has been negated by the fact that OS runs in UEFI mode? dang ... might go back to MBR + normal boot then ... thanks for the news.
post #16 of 74
Sorry man,i just saw Rampage IV instead of V,and i didnt even look proccesor.Then you have trim.
You know you have to leave SSDs in log off state for some time,because TRIM on raid is not so fast as it on AHCI.
Edited by Unit Igor - 4/1/13 at 1:25am
post #17 of 74
O and for me,(i tested them all)still the best is Intel RST 11.2.0.1006 for Windows 7 64-bit in RAID field.
You didnt tell as ,how much free space you have .
Edited by Unit Igor - 4/1/13 at 1:34am
post #18 of 74
Um, I would make sure the drives are plugged into the sata 3 6gb/s ports and not the sata two. Because that is kinda close to some sata 2 raid speeds.. should still be higher, but never know
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post #19 of 74
I doubt being in uefi will slow down the drives that much guys.

Seems like something else is amiss here. Almost like a really bad cable, one drive in 6 gb port and one in 3 gb port would be my guess.

Might want to try new irst also.
post #20 of 74
Yes definitely,efi will not stop RAID that much.But still,little bit here and little bit there,and here it is,now is good.
Those are asynchronous drives,is somebody see them in Raid.
Edited by Unit Igor - 4/1/13 at 1:49am
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