- Created by Xavier Abellan, last modified on Jan 10, 2023
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This is the User guide for the Atos Sequana XH2000 HPCF, installed in ECMWF's data centre in Bologna. This platform provides both the HPCF (AA, AB, AC, AD complexes) and ECGATE services (ECS), which in the past had been on separate platforms.
Below you will find some basic information on the different parts of the system. Please click on the headers or links to get all the details for the given topic.
News Feed
2025-05-21 Change of default versions of ECMWF and third-party software packages - May 2025
When?
The changes took place on Wednesday 21 May 2025 10:00 UTC
Do I need to do anything?
2025-03-05 HPCF and ECS Service unavailable for general use
Due to an update required on the Lustre filesystem serving HPCPERM, SCRATCH as well as fws4, the ECMWF HPCF were unavailable to run any standard jobs on:
Wednesday 2025-03-05 from 08:30 to 16:30 UTC
During the session, queued jobs were kept on hold with the reason "Licenses", and started once the session is over. At the same time, there was a shorter, concurrent session on the AC cluster requiring a reboot of login, GPIL and GPU nodes. This session caused those nodes, including hpc-login and hpc-batch, to be unavailable between 08:30 - 10:30 UTC. Note that, while you might after 10:30 UTC, the Lustre filesystems mentioned above remained unavailable and any jobs submitted were on hold until the end of the longer session.
2024-11-13 Migrating Conda Environments from Anaconda or Miniconda - ACTION REQUIRED
If you use conda at ECMWF, please review our migration documentation for step-by-step instructions on how to detect any environments which may be in breach of Anaconda's Terms of Service, and to migrate them to the suggested alternatives.
Make sure any environments or installations in breach of Anaconda's Terms of Service are addressed before the end of the year. Note that access to Anaconda's default channels may be blocked at that point.
2024-11-06 Change of default versions of ECMWF software packages and Python - November 2024
When?
The changes took place on Wednesday 06 November 2024 10:00 UTC
Do I need to do anything?
2024-06-11 Update of Operating System to RHEL 8.8 on AC complex
We are in the process of updating the Operating System on all complexes of our Atos HPCF, from RedHat RHEL 8.6 to RHEL 8.8.
The default Member-State user complex AC will be updated on:
11 June 2024 from 08:00 UTC
2024-05-15 Change of default versions of ECMWF and third-party software packages
When?
The changes took place on Wednesday 15 May 2024 09:00 UTC
Do I need to do anything?
2024-04-03 Introducing the new ECMWF JupyterHub service
2024-03-13 System session on Wednesday 13 March affecting work on the ECMWF Atos HPC
ECMWF scheduled a network system session to be held on Wednesday 13 March 2024 which impacted work on the Atos HPC. The session lasted for 4.5 hours from 12:00 UTC to 16:30 UTC.
During the session, there was NO login access to hpc-login and NO user batch jobs submitted from hpc-login or via hpc-batch could run. Batch jobs submitted before the session which were not expected to complete before the sessions started were queued until after the session finished. Time-Critical Option 1 and 2 workloads were not affected and continued to run during the session.
2023-11-22 Change of default versions of ECMWF software packages
When?
The changes will take place on Wednesday 22 November 2023 09:00 UTC
Do I need to do anything?
2023-05-31 Change of default versions of ECMWF and third-party software packages
When?
The changes will take place on Wednesday 31 May 2023 09:00 UTC
Do I need to do anything?
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