Qlustar Announce

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qlustar-announce@qlustar.org

June 2024

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Qlustar HPC Core Stack 24.06
by General announcements about Qlustar 29 Jun '24

29 Jun '24

The Qlustar team is pleased to announce the availability of the HPC Core Stack 24.06 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 0.22.0 [2] - Slurm version 23.11.8 [3] - RDMA-Core version 52.0 [4] - HWloc version 2.10.0 [5] - UCX version 1.17.0 [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. Note that the default OpenMPI version is now 5.0.3, a new major version. The latest 4.1.x versions were also tested to still build cleanly with this new Qlustar release. As part of this update, Qlustar AlmaLinux was moved to the 8.10 version which is now the only release supported by upstream. Minor version updates for other Qlustar 13 components are also included, in particular Lustre (2.15.5) and gdrcopy (2.4.1) for use with Nvidia GPUs. [1] https://qlustar.com/about-qlustar/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 13.2.0, 12.0.3.6
by General announcements about Qlustar 29 Jun '24

29 Jun '24

The Qlustar releases 13.2.0 and 12.0.3.6 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/2024/0629241 https://qlustar.com/qsa/2024/0629242 The following non-security related updates/enhancements/bug fixes are included: For Qlustar 13 only: - Qlustar HPC Core Stack 06/24 update (details to be announced separately) - Update to QluMan 13.6.0 + Make qluman-qt work without qlumand to support HA GUI support at any time + Add --power options to qluman-cli + Fix file descriptor leak in qluman-execd + Add right to write NameService config for roles with LDAP User/Group rights + Store QluMan user login certs in a new file to account for incompatible format changes. Path: ~/.config/Qluman/cluster.safe.v2 + qluman-cli: add --create flag for --gencert to generate a one-time login certificate for a new user - Update to AlmaLinux 8.10

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