[nSLUG] Built new server

Scott Walsh walsh at cs.dal.ca
Wed Sep 8 13:18:35 ADT 2010

Xeon E5640 x 2(@8 cores each) = 85,120.

Went looking for how the calculation is done, and almost immediately 
stopped caring. http://tldp.org/HOWTO/BogoMips/bogo-faq.html

"turbo-buttons (should be ON)"

"Of course this is completely wrong, unreliable, ill-founded, and 
utterly useless..."

Jim: what did you use for a case? I'm always curious what people are 
using. I prefer Antec cases for the most part, but their Micro ATX cases 
suffer from the same thing as most others: specially designed PSUs. 
Also, what is /proc/cpuinfo reporting? :)

On 10-09-08 12:48 PM, D G Teed wrote:
> On Wed, Sep 8, 2010 at 10:06 AM, Jim Haliburton <jim at on-site.ns.ca
> <mailto:jim at on-site.ns.ca>> wrote:
>     Recently I had a need to build  a small low power consuming server.
>     I had
>     previously built a test server using the Intel D945GCLF2 Mini-ITX
>     motherboard.
>     The downside to this was it had a fan which is prone to an early
>     failure, and
>     the board was limited to 2 Gb of RAM.
> My fan started to die at 3 months.  It is terrible to risk the
> stability of the system on a 25 cent (or less) part.  I replaced
> it with a huge Antec Spot Cool fan.
>     Intel has upgraded the board to the D510MO board.  It has a large
>     heatsink and
>     2 memory slots to allow up to 4 Gb of RAM.  There is NO fan on the
>     motherboard
>     and none is required.  A downside is there are only 2 SATA ports and
>     there is
>     no PATA port which the older board had.
>     Both of these boards support PS2 keyboards and mice, whick my KVM
>     switch uses.
> Yay.  Making the keyboard/mouse/video change for the home user is
> a small expense.  Doing it for the KVM user is an expense and
> a hassle to avoid the requirement to run 2 KVM setups.
>     So yesterday I built a new server with a single 500 Gb SATA drive, a DVD
>     burner, and 2 Gb of RAM.  I added an Intel 100 mb NIC to join the
>     built in
>     Realtek NIC.   I am pleased to report that Centos 5.5 found all the
>     hardware
>     correctly.  I used the 32 bit version and SMP was detected and used
>     by default.
> You have only one PCI slot, so you have to decide what you need.
> In my older Atom board, the built-in NIC died and so I had to add
> in a replacement for that.
>     The amazing thing about this board is the dual core hyperthreaded
>     CPU is seen
>     as a 4 core unit by Linux.  The BogoMips report in dmesg shows over
>     13,300
>     which I thought was pretty amazing.
>     How does this compare to other servers that users have?
> I assume you are talking about combined BogoMips reported.
> First gen Atom: 6388 BogoMIPS
> Dell Optiplex 760 (basic desktop model,
> Intel dual core 2.6 Ghz): 10643 BogoMIPS
> Dell Poweredge 2900 with 2 Xeon 5150 @ 2.6 Ghz: 21284 BogoMIPS
> --Donald
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Scott Walsh
Systems Administrator
Faculty of Computer Science, Dalhousie University
walsh at cs.dal.ca
PGP KeyID: 0xF6AC0227

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