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HPC @ Uni.lu

High Performance Computing in Luxembourg

COVID-19 Impact on HPC Activities

COVID-19 Precautions at UL HPC

University of Luxembourg’s High-Performance Computing systems remain operational, technical and non-technical staff are working from home

As a precaution against the spread of the COVID-19 coronavirus, the UL High-Performance Computing is following requirements set forth by the University of Luxembourg to prevent onsite staff and restrict activity on the campus to the strict minimum. These requirements are in effect as of Monday, 16 March, 2020, and were relaxed on July 1st, 2020.

At this time, ULHPC systems remain operational. Staff involved in the management of these systems are continuing to work remotely to ensure at best their continued function. However, onsite activities within the Centre de Calcul (CDC) are cancelled until further notice. In particular:

  • External companies are NOT allowed to operate except to ensure the function of essential services.
    • all physical operations for hardware maintenance of the computing nodes are postponed. Any new node suffering from such hardware issue will be drained and repair operations will be delayed until the active COVID policy is relaxed.
  • Planned maintenance are kept, yet every operation planned within such maintenance requiring a physical intervention in the server rooms are postponed.
  • All events and training activities scheduled to take place at UL HPC are cancelled.
    • This might impact the UL HPC School 2020, currently scheduled between June 8-10, 2020
Important The UL HPC Team is fully engaged to support its researchers against COVID-19!
Urgent/priority reservations have been configured and are used by our scientists (in particular from LCSB) and their partners working to combat the Coronavirus. This will impact the number of computing resources available on regular queues and thus might delay the scheduling of regular jobs.
For bigger runs, be aware that PRACE supports all research to mitigate impact of COVID-19 pandemic on Europe Tier-0 HPC facilities. There is going to be #EUvsVirus hackathon on 24, 25 and 26 April; anyone can participate within the EU, and the member states, and selected projects will be funded via European Innovation Council (EIC) Covid platform. This might leads to innovative projects that can save people from COVID-19.

Additional updates will be posted here as needed as the situation develops.

The UL HPC Team thanks you in advance for your understanding and cooperation during this exceptional situation.


Impact on the Aion cluster installation.
From the above policy, all operations tied to the preparation and installation of the new aion cluster are postponed. Thus the installation of the new aion cluster is on hold and delayed by the worldwide COVID crisis. We currently target a production release of this new cluster over summer depending on the evolution of the global situation. We will communicate once we have a better view on the project schedule.