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8 to 16 SSDs RAID 0 - Page 2

post #11 of 15
In case this helps, SSD's aren't good for anything but sequential read/writes when it comes to RAID0.

http://www.tomshardware.com/reviews/ssd-raid-benchmark,3485.html
Quote:
The RAID-based configurations undoubtedly scored the first touchdown given exceptional sequential results, but the game didn't end there. Individual SSDs regained ground in the tests that followed, even posting better scores in some of them. Random I/O performance is a good example. Striped drives are certainly better equipped to push more IOPS, but only when you're stacking commands more than four high. Jumping up to a queue depth of 32, 16, or even eight is really uncommon in a desktop or workstation environment. As a result, the performance differences are far less pronounced in the real world.

for the most part, the only real benefits show up in benchmarks where unusually high queue depths are used.
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post #12 of 15
Thread Starter 
One of my projects smile.gif
http://thessdreview.com/our-reviews/adaptec-smart-storage-systems-and-1-million-iops/

Having trouble finding out what LSI can support for IOPS, Adaptec is around 500K. As well what new model SSDs are support as the PDF chart is a bit out dated.
post #13 of 15
Quote:
Originally Posted by stenrulz View Post

One of my projects smile.gif
http://thessdreview.com/our-reviews/adaptec-smart-storage-systems-and-1-million-iops/

Having trouble finding out what LSI can support for IOPS, Adaptec is around 500K. As well what new model SSDs are support as the PDF chart is a bit out dated.

Nice. This discussion is probably better suited for the RAID subforum though.
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post #14 of 15
Thread Starter 
Quote:
Originally Posted by rui-no-onna View Post

Nice. This discussion is probably better suited for the RAID subforum though.

Would be happy for it to be moved to the sub forum if a forum admin wants to move it. smile.gif
post #15 of 15
I'm sure if you called LSI and got in touch with their engineering department, they can provide the answers you're looking for. It may be possible to hit 1M 4K IOPS using 12-16 SLC high end enterprise SLC SSDs, but you won't get anywhere close to that using consumer grade MLC or TLC SSD units.

Sounds like an expensive project, with no real-world application. Expensive like you're going to need $25K-$30K worth of SSD and controller just to test it out.

Greg
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