[Beowulf] Building new cluster - estimate

Joe Landman landman at scalableinformatics.com
Thu Aug 7 08:14:45 PDT 2008


Eric Thibodeau wrote:
> Joe Landman wrote:

>>  ... now I don't mean hardware burnt offerings ... smoke rising from 
>> your motherboard may not placate the spirits of initrd, they 
>> definitely may impede further operations ...
> Oh...you mean something like this: 
> http://wiki.neuralbs.com/~kyron/WrongSpecs/dsc00883.jpg

Owie ...

[...]

>> We build an integrated NFSroot and e1000 and a few other things for a 
>> customer.  Fixed hardware for their cluster.  From bare-metal-off to 
>> operational infiniband compute node in ~45-60 seconds (I say 45, but a 
>> few things took a little longer to start, like SGE).
> Hey, weren't you the one complaining about e1000 "Go ahead, build in 
> that e1000 driver.  I dare yah"? I haven't seen "moving hardware"...oh, 

Yeah.  Thats where it came from.  We had to get the internal e1000 up, 
but then we needed to upgrade ...

[pause] D'oh!

[...]

>> Currently running 4.2.3-2ubuntu7 on my laptop.  Other machines 
>> (development box) has something like 4 different gccs there.  I 
>> haven't tried 4.3.x yet ... had planned to, but work gets in the way.
> Tell me when you get it going, it's for 4.3.x that I had to upgrade 
> glibc. As a ref: http://bugs.gentoo.org/show_bug.cgi?id=218603

Hmmm

[...]

>> We have installed the 10.1.015 on customer machines from Centos 5.2 
>> through SuSE 10.x through Ubuntu with nary a problem.  Very different 
>> glibc's.  No issues with code generation.
> I am sorry I mixed up glibc with GCC whilst talking about ICC's 
> compatibility, this one is specific to gcc and icc on the same system 
> and the (re)definition of atomic functions which ICC couldn't follow
> 
> http://bugs.gentoo.org/show_bug.cgi?id=201596
> 
> Never hit that?

Looked and no.


-- 
Joseph Landman, Ph.D
Founder and CEO
Scalable Informatics LLC,
email: landman at scalableinformatics.com
web  : http://www.scalableinformatics.com
        http://jackrabbit.scalableinformatics.com
phone: +1 734 786 8423
fax  : +1 866 888 3112
cell : +1 734 612 4615



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