Don,

Sorry - my dyslexic fingers mistyped Linux.

-Keith.

At 11:30 AM -0600 11/18/09, Don Holmgren wrote:
Yes, J/Psi is running SL (SL4.x).

Where are you seeing "Lunix"?  I'm looking now at the detailed
entry and it says "Linux".

Also, I just logged into the top500 submission site, and indeed
I have J/Psi listed there as running Scientific Linux Fermi 4.4.
So, perhaps this an issue of the reports that can be generated by
the top500 site, and so it may not be possible to distinguish
Linux flavors.

I don't actually know of any other top500 machines that run SL.
There may be some Centos machines, and there are many Fedora
machines.  Most of the wealthier sites use RH or SuSE.  I think
the os list (stats/list/34/os) looks pretty worthless - it surely
is grouping all sorts of Linux into "Linux" (e.g., there's no
way that RedHat is only on 9 systems and SuSE is only on 5).

Don





On Wed, 18 Nov 2009, Keith Chadwick wrote:

The J/PSI cluster at Fermilab is listed as running "Lunix",
and I believe that it is running Scientific Lunix.

Don and/or Amitoj can comment further...

-Keith.

At 8:32 PM -0800 11/17/09, Keith Lofstrom wrote:
I'm at SC09 this week.  Awesome hardware, awesome people.  The
Top500 for the month was announced, Linux runs on 446+ of them,
no surprise there.

What is a surprise is the nonappearance of Scientific Linux on
this list:
   http://www.top500.org/stats/list/34/os

I would assume SL would be running on many, if not most, of the
big iron X86 array systems.  I would also assume more celebrity
SL deployments means more funding for our heros at Fermi.  Is
this a "don't ask, don't tell" thing?

Keith

--
Keith Lofstrom          [email protected]         Voice (503)-520-1993
KLIC --- Keith Lofstrom Integrated Circuits --- "Your Ideas in Silicon"
Design Contracting in Bipolar and CMOS - Analog, Digital, and Scan ICs

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