Project: Rackmount Overkill

Automata · Mar 20, 2013

The processors arrived today and I've been doing stability tests on the R510 since around noon. I chose the 6-core E5645 2.4 GHz, which are fairly expensive. There are a ton of ES ones available, but I wouldn't trust those in a "production" system. Normal price has been $500 each, but I snagged these non-ES versions for $429 each.

Compared to my dual socket 8-core Opteron server (16 cores total), one of these servers is roughly 25% faster. Considering that there are fewer cores, that is pretty impressive. If you go back a few pages, you can see that during stability testing, the Opteron setup did 77 GFlops. I had to run two instances on this server to full load all the cores, so that probably degraded the performance slightly. It is doing a combined 96.53 GFlops (25.3% faster). I'll do another run with only a single test running to see how it does when there is no competition for memory.

Bobnova · Mar 20, 2013

Tasty. That's a lotta threads! Also a lot of memory usage.

txus.palacios · Mar 20, 2013

Just what I would expect of Rackmount Overkill.

Automata · Mar 20, 2013

Bobnova said:
Tasty. That's a lotta threads! Also a lot of memory usage.

Wait until I get the R710 up.

txus.palacios · Mar 20, 2013

Just wondering, why don't you torture test under Linux? (i7z + linpack)

Automata · Mar 20, 2013

I have to reinstall the operating system either way, and Windows has better tools for detecting throttling (ThrottleStop).

txus.palacios · Mar 20, 2013

thideras said:
I have to reinstall the operating system either way, and Windows has better tools for detecting throttling (ThrottleStop).

What do you mean by throttling? C-states?

Automata · Mar 20, 2013

txus.palacios said:
What do you mean by throttling? C-states?

Yes.

To do the stability testing on the R710, I had to make some "modifications", so if you are a Dell technician, hit the back button on your browser now. I don't have 2.5" drives to test with, so I had to carefully balance drives with the case open. I used old SCSI hard drives to hold the button down so the server thought it was closed. Works pretty good.

Automata · Mar 20, 2013

The R710 is still running the stress test. I'm guessing it will take around 6 hours for a single iteration of LinPack. The servers are reporting around 370w of usage each under full load, which I find impressive considering the x3650's they will be replacing are 400w idle (each).

txus.palacios · Mar 20, 2013

thideras said:
Yes.

i7z can do pretty much what ThrottleStop is doing.

Automata · Mar 20, 2013

Interesting. Did not know about that program, thanks.

unijabnx2000 · Mar 20, 2013

Looks like its time to fix your signature

Automata · Mar 20, 2013

Bam, done. Not including any other servers (just Ruby and the two Dell systems), I have 464 GB RAM. 528 GB if you include my desktop (32 GB) and laptop (32 GB).

I also need to decide on names for these servers.

cullam3n · Mar 20, 2013

Just got to decide on a naming scheme, makes things easier. Types of plants or trees, places, names of strippers from strip clubs you have been to, pornstar names, exotic colors, types of wood, etc.

Automata · Mar 20, 2013

cullam3n said:
Just got to decide on a naming scheme, makes things easier. Types of plants or trees, places, names of strippers from strip clubs you have been to, pornstar names, exotic colors, types of wood, etc.

That is a lot of wood.

My theme is programming languages. Ruby is the main file server. The old Dell 2650's were Java and Perl. The IBM x3650 M1s are Cobol and Fortran. Desktop is Pascal. Laptop is Lisp.

cullam3n · Mar 21, 2013

All of those are some of the ones I have come across. Mine currently are anime characters.

Python, BASIC, ColdFusion?

briansun1 · Mar 21, 2013

how you know computers are taking over your life... try to carry out a conversation with it/him/her

Automata · Mar 21, 2013

briansun1 said:
how you know computers are taking over your life... try to carry out a conversation with it/him/her

This is absolutely true.

briansun1 · Mar 21, 2013

also call it a her/him

Automata · Mar 21, 2013

Since Wagex asked about the Dell DRAC cards these come with, here are a few screenshots and quick explanation. I can do full administration remotely through the DRAC interface, such as restarting the server, monitoring anything about it (temps, voltages, etc), and even mount media (such as an ISO). If the system is locked up, I can force it to restart and even have this setup automatically. All without touching the server or being anywhere near it, if I need to.

Project: Rackmount Overkill

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