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Samsung 840 EVO 1TB in Raid 0?

post #1 of 37
Thread Starter 
I got a couple of 1TB Samsung 840 EVO, I'm not sure if I should raid them because I've heard trim doesn't work with raid, beyond that nothing else concerns me.

Also I've been getting low IOPS from them, I don't know why, read and writes are ok 520/510 but iops are as low as 40K/40K, if I were to put two SSD with different iops, would the lowest iop SSD be the new speed?

Specs

Motherboard: 990FXA-GD65v2
CPU: Watercooled FX 8350 OCed to 4.5GHz
RAM: 16GB 1866MHz. Hyperx Beast
GPU: R9 290 1120/1450
PSU: Thermaltake Smart 750W
Edited by Dargonplay - 3/12/14 at 1:11am
post #2 of 37
Quote:
Originally Posted by Dargonplay View Post

I got a couple of 1TB Samsung 840 EVO, I'm not sure if I should raid them because I've heard trim doesn't work with raid, beyond that nothing else concerns me.

Also I've been getting low IOPS from them, I don't know why, read and writes are ok 520/510 but iops are as low as 40K/40K, if I were to put two SSD with different iops, would the lowest iop SSD be the new speed?

 

You can use Samsung Magician's "Performance Optimization" feature to do a manual TRIM-like operation on the drives any time you want.

 

I've had my 840 EVOs for just over a week now and I'm very tempted to create a thread stating just how much I love Samsung Magician.

 

Yes, the slower drive always "wins".

 

Anyway, you're getting slower IOPS performance because of the SATA II ports. If you had SATA III ports and had these drives connected to those SATA III ports, then you'd most likely see superior benchmark results to what you're getting now.

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post #3 of 37
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

You can use Samsung Magician's "Performance Optimization" feature to do a manual TRIM-like operation on the drives any time you want.

I've had my 840 EVOs for just over a week now and I'm very tempted to create a thread stating just how much I love Samsung Magician.

Yes, the slower drive always "wins".

Anyway, you're getting slower IOPS performance because of the SATA II ports. If you had SATA III ports and had these drives connected to those SATA III ports, then you'd most likely see superior benchmark results to what you're getting now.

I though sata II Would only affect transfer rate and not IOPS, but in any way, I got them all on sata III ports, I forgot to add my specs.

Motherboard: 990FXA-GD65v2
CPU: Watercooled FX 8350 OCed to 4.5GHz
RAM: 16GB 1866MHz. Hyperx Beast
GPU: R9 290 1120/1450
PSU: Thermaltake Smart 750W

You said trim would be nicely used with magician software, I use it and know what function you refer to, but I've read many times that when you use raid 0 with these SSD you won't be able to use trim, wether it is from the OS itself or the magician software.

Is it really possible to use it in raid?
post #4 of 37
Quote:
Originally Posted by Dargonplay View Post


I though sata II Would only affect transfer rate and not IOPS, but in any way, I got them all on sata III ports, I forgot to add my specs.

Motherboard: 990FXA-GD65v2
CPU: Watercooled FX 8350 OCed to 4.5GHz
RAM: 16GB 1866MHz. Hyperx Beast
GPU: R9 290 1120/1450
PSU: Thermaltake Smart 750W

You said trim would be nicely used with magician software, I use it and know what function you refer to, but I've read many times that when you use raid 0 with these SSD you won't be able to use trim, wether it is from the OS itself or the magician software.

Is it really possible to use it in raid?

 

I don't really know. All I know is this: Samsung Magician says that if the OS doesn't offer native TRIM support for SSDs, then use Performance Optimization as needed. From this, I am assuming that Performance Optimization would work when drives are in RAID mode. If not, then I will remember for future posts that I might make.

 

I don't know if it would make a difference, but are you using AMD's RAID driver?

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250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
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post #5 of 37
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

I don't really know. All I know is this: Samsung Magician says that if the OS doesn't offer native TRIM support for SSDs, then use Performance Optimization as needed. From this, I am assuming that Performance Optimization would work when drives are in RAID mode. If not, then I will remember for future posts that I might make.

I don't know if it would make a difference, but are you using AMD's RAID driver?

AMD raid drivers? I'm new to raid, but I wasn't aware of any "Drivers" to make use of RAID, inl case you meant chipset drivers, well my 990FXA-GS65v2 only have chipsets drivers for XP and vista because since windows 7 and higher already implement the best controllers.

Also, do these SSD need drivers besides the Samsung magician? Maybe that could explain the low IOPS.
post #6 of 37
Quote:
Originally Posted by Dargonplay View Post


AMD raid drivers? I'm new to raid, but I wasn't aware of any "Drivers" to make use of RAID, inl case you meant chipset drivers, well my 990FXA-GS65v2 only have chipsets drivers for XP and vista because since windows 7 and higher already implement the best controllers.

Also, do these SSD need drivers besides the Samsung magician? Maybe that could explain the low IOPS.

 

Samsung Magician is not a driver, nor does it contain any drivers. It's just a fancy program (or "application", if you want). The drivers for any drive (not just solid state drives) are the SATA controller drivers. Drives themselves don't need special drivers.

 

Anyway, I'm referring to the AMD RAID driver:

 

http://us.msi.com/product/mb/990FXAGD65V2.html#/?div=Driver&os=All

 

Click the "download" link for "AMD RAID Driver". After it's downloaded, extract it somewhere, then run the installer. After it has installed, reboot and then check the IOPS performance. I don't have a clue if it will change, but I'm hopeful.


Edited by TwoCables - 3/12/14 at 1:33am
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250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
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Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round 
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Hard DriveHard DriveOptical DriveOptical Drive
250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
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Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round 
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post #7 of 37
I actually just ordered 2x 1TB EVOs and was wondering the same thing about RAID 0. I want the highest seq reads and writes possible to do BD ISO to MKV conversions... but I fear if I put them in Raid 0, then MakeMKV will be reading/write to the same 'drive', and i'd probably be slower than using 1 drive as a source (BD ISOs) and 1 drive as a destination (MKVs). I for sure should be able to get 500MB/s transfer rates using the drives separately, but what about having them in Raid 0 and having them both be read/wrote to at the same time? For mechanical this absolutely kills the performance, and even my 256GB M4 only manages 120MB/s when I do everything on it.

Have any of you ever had issues with the samsung magician features? Unloading things into the RAM to make the drive faster seems risky and is another chance of corruption... I am on the fence about using the feature.
Edited by Murlocke - 3/12/14 at 1:48am
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post #8 of 37
Quote:
Originally Posted by Murlocke View Post

I actually just ordered 2x 1TB EVOs and was wondering the same thing about RAID 0. I want the highest seq reads and writes possible to do BD ISO to MKV conversions... but I fear if I put them in Raid 0, then MakeMKV will be reading/write to the same drives in raid 0, and i'd probably be slower than using 1 drive as a source (BD ISOs) and 1 drive as a destination (MKVs)

Have any of you ever had issues with the samsung magician features? Unloading things into the RAM to make the drive faster seems risky and is another chance of corruption...

 

I haven't had any issues with RAPID mode yet or any of the Samsung Magician features for that matter (knock on wood), but I also don't have my drives in RAID.

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post #9 of 37
Can you actually use Samsungs cloning software to go 256GB M4 > 2x 1TB EVOs in Raid 0 without having to reinstall windows? I'm assuming it won't allow it.

(Sorry for the slight hijack, I posted today but my thread kinda died!)
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post #10 of 37
Quote:
Originally Posted by Murlocke View Post

Can you actually use Samsungs cloning software to go 256GB M4 > 2x 1TB EVOs in Raid 0 without having to reinstall windows? I'm assuming it won't allow it.

 

I have no idea.

 

Quote:
Originally Posted by Murlocke View Post

(Sorry for the slight hijack, I posted today but my thread kinda died!)

 

So then post a reply to it. Bump it. Y'know?

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250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
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Hard DriveHard DriveOptical DriveOptical Drive
250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
CoolingOSMonitorKeyboard
Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
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Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round 
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