[Beowulf] Repeated Dell SC1435 crash / hang. How to get the vendor to resolve the issue when 20% of the servers fail in first year?
rpnabar at gmail.com
Mon Apr 6 12:48:03 EDT 2009
On Mon, Apr 6, 2009 at 7:46 AM, Chris Samuel <csamuel at vpac.org> wrote:
> Even though we could reproduce it on 64-bit Debian
> and 32-bit CentOS they wouldn't escalate the issue
> until we could reproduce it on RHEL5 - which we did
Thanks for sharing the anecdote Chris. I wonder if there is any clause
in the contracts restricting us to run certain OS's.
So long as we are using a "reputable" well-tested OS I find it unfair
that the vendors engage in so much arm-twisting. Is there any
scientific evidence that the core kernels of Debian or Fedora or CenOS
(that *is* essentially RHEL isn't it?) are any less reliable then
RHEL? What is / are the distros of choice on the Beowulf community?
Just getting a feel.
I have tried out cutting edge distros meant for scientific
applications like ScientificLinux or ComputeNodeLinux but I've found
it more practical to stick to a larger, well used distro. No doubt I
might take some performance cuts on the benchmarks but the simple
reality of a larger user community out there makes it easier to debug
stuff and get well-tested apps and code that will run on my Distro
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