[Beowulf] Forwarded from a long time reader having trouble posting

Tom Elken tom.elken at qlogic.com
Tue Dec 1 14:57:29 EST 2009


> On Behalf Of Gerald Creager
> I've been quite happy with CentOS 5.3 and we're experimenting with
> CentOS 5.4 now.  I see good stability in 5.[34] 

I have to second the recommendation of 5.3 or 5.4.

Some time ago, we saw significant performance improvements on Nehalem (Xeon X5570) in moving from RHEL 5.2 to 5.3.  So I expect that moving from 5.1 to 5.[34] would also be a significant improvement in performance.

Cheers,
-Tom

> and the incorporation
> of
> a couple of tools worth having in a distribution for 'Wulf use.  I'd
> not
> recommend sticking with the old version, but of course, once you're
> established, not carelessly upgrading, either.
> 
> gerry
> 
> Joe Landman wrote:
> > My apologies if this is bad form, I know Toon from his past
> > participation on this list, and he asked me to forward.
> >
> > -------- Original Message --------
> >
> > Dear all,
> >
> > I've been working on hpux-itanium for the last 2 years (and even
> > unsubscribed to beowulf-ml during most of that time, my bad) but soon
> > will turn back to a beowulf cluster (HP DL380G6's with Xeon X5570,
> > amcc/3ware 9690SA-8i with 4 x 600GB Cheetah 15krpm). Now I have a few
> > questions on the config.
> >
> > 1) our company is standardised on RHEL 5.1. Would sticking with rhel
> 5.1
> > instead of going to the latest make a difference.
> > 2) What are the advantages of the hpc version of rhel. I browsed the
> doc
> > but unless having to compile mpi myself I do not see a difference or
> did
> > I miss soth.
> > 3) which filesystem is advisable knowing that we're calculating on
> large
> > berkeley db databases
> >
> > thanks in advance,
> >
> > toon
> >
> > Toon Knapen toon.knapen at gmail.com
> >
> > -----------------------------------
> >
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