Qlustar Announce March 2025

qlustar-announce@qlustar.org

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Qlustar HPC Core Stack 25.03
by General announcements about Qlustar 22 Mar '25

22 Mar '25

The Qlustar team is pleased to announce the availability of the HPC Core Stack 25.03 for Qlustar 13. It was published together with the latest security bug fix update and can be installed by updating the Qlustar 13 chroots on the cluster. The HPC CORE STACK [1] was introduced with the release of Qlustar 13 as a new component definition within Qlustar. It is related to the introduction of Spack. This release includes the following individual major HPC core stack component updates: - Spack version 0.23.1 [2] - Slurm version 24.11.3 [3] - RDMA-Core version 55.0 [4] - HWloc version 2.11.2 [5] - UCX version 1.18.1 [6] The new version of Spack allows easy and direct access to the most recent compilers, MPIs and hundreds of other applications relevant to HPC. Amongst others, it includes gcc 14.2.0 and OpenMPI 5.0.5 as new default versions. Minor version updates for other Qlustar 13 components are also included, in particular Nvidia graphics drivers (550.144.03), Lustre (2.15.6) and gdrcopy (2.4.4) for use with Nvidia GPUs. [1] https://qlustar.com/qlustar/hpc-stack/hpc-core-stack/ [2] https://spack.readthedocs.io/en/latest/ [3] https://www.schedmd.com/slurm/ [4] https://github.com/linux-rdma/rdma-core [5] https://www.open-mpi.org/projects/hwloc/ [6] https://openucx.org/

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Security/Bug fix releases 13.3.0, 12.0.3.11
by General announcements about Qlustar 22 Mar '25

22 Mar '25

The Qlustar releases 13.3.0 and 12.0.3.11 are ready including a number of security/bug fixes. Please check the following web pages for details about security fixes and special update instructions: https://qlustar.com/qsa/2025/0321251 https://qlustar.com/qsa/2025/0321252 The following non-security related updates/enhancements/bug fixes are included: For Qlustar 13 only: - Qlustar HPC Core Stack 03/25 update (details to be announced separately)

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Qlustar Announce March 2025