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тАО07-14-2010 01:39 PM
тАО07-14-2010 01:39 PM
Solved! Go to Solution.
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тАО07-14-2010 11:39 PM
тАО07-14-2010 11:39 PM
Re: SB40c Storage blade with SSDs?
SSDs are supported on this blade. Here's quickspecs: http://h18004.www1.hp.com/products/quickspecs/12587_div/12587_div.HTML
As for results, you can look here: http://www.tpc.org/tpce/results/tpce_perf_results.asp Fujitsu is on the second place with cheap SSDs and i think that's really not bad result :).
Regards,
Philipp.
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тАО07-15-2010 05:51 AM
тАО07-15-2010 05:51 AM
Re: SB40c Storage blade with SSDs?
Thanks.
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тАО07-15-2010 06:32 AM
тАО07-15-2010 06:32 AM
Re: SB40c Storage blade with SSDs?
I have a flex-10 so we have 10Gb connections internally and the sb40c Virtual SAN performace is great. i dont have bottlenecks and vmotion works awesome.
honestly, my enviroment does not have a heavy load on the sb40c however this one is under utilized with what i have.
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тАО07-15-2010 07:02 AM
тАО07-15-2010 07:02 AM
Re: SB40c Storage blade with SSDs?
All in all, it is higher performance and would be less expensive than SB40c + SSDs.
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тАО07-15-2010 07:46 AM
тАО07-15-2010 07:46 AM
Re: SB40c Storage blade with SSDs?
On the I/O Accelerator, that was my original first choice, but it was nixed by management because of the inability to have a mirrored set with hardware RAID, and the relative "newness" of SSDs in our organization.
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тАО07-15-2010 07:50 AM
тАО07-15-2010 07:50 AM
Re: SB40c Storage blade with SSDs?
Meant to give you 10 pts, but apparently dropped it to 7 when I hit the down arrow to move down the page. If you want to copy/paste your reply, I'll rate it properly.
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тАО07-16-2010 07:15 AM
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тАО11-10-2010 09:59 AM
тАО11-10-2010 09:59 AM
Re: SB40c Storage blade with SSDs?
http://www.ntlug.org/Articles/DiskBenchmarks
With that said, there are some things that HAVE to be said. The SB40c with SSD is safe... in that it's supported across many things from Linux to VMware, etc.
The Fusion-io IO Accelerator, while fast, is NOT well supported... it's NOT WELL SUPPORTED... NOT... NOT... NOT...
Fusion-io doesn't WANT to support Linux (for example)... at best they ONLY want to support RHEL and they are VERY VERY VERY VERY slow at delivering updates and the device will NOT function (at all) without those updates. HP is to pressurize the Fusion-io folks... IMHO, HP should tell the Fusion-io people to STICK IT... and see about going with someone else. However, a lot of the Fusion-io competition is WINDOWS only at the moment. Nobody has an open source driver (and I suspect it's because there's some embarrassing nastiness inside of the driver implementations).
Maybe HP should develop their own IO Accelerator technology... at least then there's a chance for successful support.
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тАО11-10-2010 10:36 AM
тАО11-10-2010 10:36 AM
Re: SB40c Storage blade with SSDs?
I kept meaning to come back and update this posting with my own experiences as well. Ended up going with the SB40c and 5x of the HP (Samsung produced) 60GB SSDs (RAID 10 on 4 drives, plus a hot spare).
System went into production a couple of weeks ago after extensive testing of different RAID configurations, filesystems, mount options, etc.
Unfortunately, all of my raw benchmark data was accidentily lost when we did the final format of the system drives to install clean with everything we had learned, but we were able to pull extremely good performance numbers out.
The database that was previously experiencing severe I/O wait and iostat avgsvc times in the 30-50ms range now services requests in an average of .16ms.
I'm comfortable with the SSDs since this is such a read heavy database. I'd want to go with a drive with longer than 1 yr warranty and certification for "unconstrained workload", if I remember the term, before I'd put a read/write heavy workload in production on them.
There's a chance I have the data on a flash drive, and if I find it, I'll post some of my findings.
Thanks again for all the replies!