[Users] Questions about old ET releases and bundled libraries on clusters

[Steven Brandt]

On 9/17/2025 12:11 PM, Omar Elías Velasco Castillo wrote:
> Dear Einstein Toolkit team,
>
> I hope this message finds you well. I am a beginner with the Einstein 
> Toolkit. On personal workstations I have been able to compile and run 
> tutorial simulations at low resolution, but I am facing problems on 
> two different clusters. I would like to ask two questions:
>
> 1. *Are there ET versions prior to 2022_05 (e.g. 2019–2020 releases) 
> that can still be downloaded and compiled successfully?* When I try to 
> fetch them from the website using ./GetComponents, the process fails 
> (CactusSourceJar.git is not created and some components do not 
> download). Since some of the nodes I use have older GCC versions (8 or 
> 10) and limited modules, a stable older release might be more practical.
>
> 2. During compilation, I notice that thorns (such as GSL and HDF5, for 
> example) fall back to using the bundled versions because system 
> modules are not found. The build completes successfully, but jobs fail 
> immediately after submission to PBS or SLURM queues.
Can you show us what the error message(s) are?
>
> *What is the role of the bundled versions in this case*?*If the build 
> uses bundled GSL/HDF5, do I still need to load corresponding, 
> compatible modules in the runscript?*
>
> Could this mismatch explain why jobs die right after submission?

Maybe. I'm not 100% sure what you are doing. Can you be clearer about 
how you are running the ET?

--Steve

>
> Any advice on handling these issues would be very helpful. Thank you 
> very much for your time and support.
>
> Greetings,
>
> O.V.
>
>
>
>
>
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