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HELP FAST!! SSD ordering for RAID 0

post #1 of 13
Thread Starter 
Ok I was given an ok to order a bunch of SSDs for two computers to run in RAID 0, need to place the order before 5pm EST!!!!!

<evil grin>

Wondering will there be a big jump form 2 to 3 drives

One system has a onboard raid controller

mine has a PERC 5/i

I have a certain budget to work with..... and am looking at these two right now:

http://www.tigerdirect.com/applicati...305&CatId=5300

http://www.tigerdirect.com/applicati...?EdpNo=6361339

I have special pricing there and want to make absolute sure I get the best bang for the buck

Looking at 6 drives all together

HELP A BROTHER OUT FOR A HUGE OPPORTUNITY!!!!!
post #2 of 13
Thread Starter 
forgot to set my cp to e-mail alert me on new posts
post #3 of 13
I would probably not use SSD's with raid0, problem being is that you will lose TRIM support.

Unless your editing raw stream of HD video in real time I would suggest just buying a single SSD for each machine that is large enough to handle your storage/OS needs.

But if you insist, the Vertex 2 is a decent unit.
    
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post #4 of 13
SandForce based SSDs have native garbage collection, so that should mitigate the loss of TRIM. I don't know how much better TRIM is than the GC on the SandForce 1200 controller drives.

I've been running RAID 0 with 3 SandForce 1222 SSDs for a few months now and haven't noticed any slowdown or loss in performance, though I haven't benchmarked them new vs. now. I keep a healthy chunk of my array free so the drives can do their GC. I don't know if it's necessary though, since these drives are 13% overprovisioned I think.
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post #5 of 13
Thread Starter 
it seems like they are so close on everything spec wise and benchmark wise... just trying to make sure I'm not missing something here and make a misate (you know how sometimes there is a rouge model out there that will suck in a series lmao)

BTW what are you / did you get benchmark wise with your 3 drives? Just curious what I can look for! I see a ton of two drive raid array reviews but hardly any 3 or 4
post #6 of 13
Here's a link to my ASSD benchmark with 2 drives:
http://www.overclock.net/11540109-post849.html

With 3 (now on ICH10R) I forget what the ASSD score was (which doesn't like SandForce drives), but my sequential read was about 560-600 MB/s I think. I think the numbers might look better with different benchmarking software.

The ASSD benchmark thread might help you get the info you need, there are people on that thread benching all sorts of different array setups.
http://www.overclock.net/ssd/754763-...rk-thread.html

You've still got 40 minutes before 5pm EST!

With 3 drives you'll be bumping up against the max bandwidth for SATA II, with 4 drives you'll be way over the max bandwidth, so it's not really worth it to put more than 3 SandForce SSDs in RAID 0 on ICH9R / 10R from and bandwidth perspective. So take a look at maximum bandwidth on the Perg 5/i.
Edited by coelacanth - 1/14/11 at 1:25pm
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750GB Samsung 840EVO 256GB Crucial M4 150GB Velociraptor 1TB Samsung F1 
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post #7 of 13
Thread Starter 
actually just found some dissapointing info:
http://www.overclock.net/6390473-post2563.html

going to have to test some once I get them in

This is the MOBO I am using and it only has two SATA 6Gbps ports....

http://www.asus.com/product.aspx?P_ID=CadI5xNLwMYopFyJ
post #8 of 13
You might actually get better results from the Intel SATA 3Gb/s ports. I remember reading an article here on OC.net where SSD RAID arrays were getting better results using the Intel controller rather than onboard SATA 6Gb/s ports.

But I'm not sure since that is a new mobo with Platform Controller Hub (PCH) rather than a more traditional northbridge / southbridge combo.
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750GB Samsung 840EVO 256GB Crucial M4 150GB Velociraptor 1TB Samsung F1 
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Asus DRW-24B1ST Phanteks PH-TC14PE Win 10 64-bit 27" Qnix QX2710 96Hz 
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Hard DriveHard DriveHard DriveHard Drive
750GB Samsung 840EVO 256GB Crucial M4 150GB Velociraptor 1TB Samsung F1 
Optical DriveCoolingOSMonitor
Asus DRW-24B1ST Phanteks PH-TC14PE Win 10 64-bit 27" Qnix QX2710 96Hz 
KeyboardPowerCaseMouse
Cooler Master QuickFire Ultimate Cooler Master V1000 1000W 80+ Gold Fractal Design Arc Midi R2 Logitech G500s 
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post #9 of 13
Side note, you don't really need a dedicated RAID controller for simply using striping (RAID 0).
Waiting on X399
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Waiting on X399
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post #10 of 13
Thread Starter 
Well the deadline came and I placed the order

I got 6 total OCZ Vertex 120GB Drives

3 for me 3 for another system

BUT... You know I'm going to try out 6 in RAID 0 to see what happens!!

Looks like I'll be stuck using my onboard SATA though as I forgot to order the cable for my RAID controller. I did want to try it out though on that controller and my on board and test with single, two, three, four and then 6 drives in RAID 0 to see what I could hit I also want to see where the bottle neck comes in at on which controller, and possibly have tested out on an AMD 1075T system (the other system the drives are going in).

I'll try to keep everyone posted on this in another thread when I get them and start testing. (I'll post the link to it here later on)

On a Side note if anyone has a breakout cable for me to use for a short time to test with my RAID card I would greatly appreciate it!
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