What kind of disk setup do you have on the master node? There is only so
much one master can take in terms of netbooting before you see performance
degridation
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> On 26/06/14 05:08, Kilian Cavalotti wrote:
>
>> You can just use a very minimal OS on your compute nodes, then
>> compile and install all the user facing bits in a shared location.
>> You hand an environment modules system to the users and off they
>> go.
>
> That's pretty much exactly what I've done for the last 8 years or so,
> and it works really well.
>
> Our current incarnation is to netboot a minimal RHEL image on diskless
> nodes (managed via xCAT) and then all the applications are in
> /usr/local including various Perl, Python and R versions with their
> associated module hell. At the moment we've got about 638 different
> modules across 3 different architectures.
>
> The main reason for RHEL on compute nodes is to keep hardware support
> people happy, most vendors take the Blue Brothers approach to Linux
> ("we support both kinds of Linux, RHEL *and* SLES").
>
> We only have a handful of commercial applications, but we've never had
> an issue with what they support in terms of OS.
>
> All the best,
> Chris
> - --
> Christopher Samuel Senior Systems Administrator
> VLSCI - Victorian Life Sciences Computation Initiative
> Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
> http://www.vlsci.org.au/ http://twitter.com/vlsci
>
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