Preface

The old CentOS 7 has reached its end of life. For this reason the operating system (OS) of Lise's CPU partition will be updated to the new Rocky Linux 9. This affects all login and compute nodes equipped with Intel Xeon Cascade Lake processors ("clx" for short), especially on CPU partition "Lise". Lise's GPU partitions (GPU A100 partition and GPU PVC partition) are not affected.

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The OS migration is organised in two consecutive phases. The migration is expected to be complete by the end of July.

1. The testing phase starts with 2 login nodes and 112 compute nodes already running Rocky Linux 9 for testing, while the other nodes remain available under CentOS 7.

2. After an initial testing phase, a major fraction of nodes will be switched to Rocky Linux 9 to allow for general job production under the new OS. In the last step, the few nodes still under CentOS 7 will be converted to Rocky Linux 9, too.

During the migration phase the use of Rocky Linux 9 "clx" compute nodes will be free of charge. The migration is expected to be complete by the end of July.

Current migration state

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( ● available ● closed/not available yet )

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