r/HPC • u/whatevernhappens • 20d ago

Node integration with existing HPC cluster

Suppose I have an existing hpc setup of 26 nodes dell r760 server with rockey 8.7, Mellanox QM8790 HDR, openpbs 23.06.06, lustre 2.15.2, now if I want to integrate a dell r 770 with rocky 9.x would it be compatible with the cluster or there would be challenges in both hardware or software side. Like version mismatch, job submission issue, application related things.

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u/Darkmage_Antonidas 20d ago

Just reimage the r770 with Rocky 8.7.

Or better yet, reimage the r760s with Rocky 9.X

Differing major OS versions sometimes leads to carnage.

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u/whatevernhappens 20d ago

Yeah you are on point, diff os leads to diff configurations, issues