- Qlustar Announce - Qlustar Mailing Lists

Security/Bug fix releases 14.1.3, 13.4.3
by General announcements about Qlustar 15 May '26

15 May '26

The Qlustar releases 14.1.3 and 13.4.3 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/2026/0515261 https://qlustar.com/qsa/2026/0515262

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Security/Bug fix releases 14.1.2, 13.4.2
by General announcements about Qlustar 02 May '26

02 May '26

The Qlustar releases 14.1.2 and 13.4.2 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/2026/0502261 https://qlustar.com/qsa/2026/0502262 The following non-security related updates/enhancements/bug fixes are included: For Qlustar 14 only: - QluMan 14.1.4 * Alerts - Fixes/Improvements of the expression editor + Parse metric values as float and use QDoubleSpinBox for larger range of values. + Convert value to int when it's a whole number (e.g. use 16 instead of 16.0 in the expression). + Catch and show exception when opening expression editor. - Fixes/Improvements of the alert silencing dialog + Add ErrorDialog when fetching silences fails. + Reset input mask on save. + Reset color for Starts label when selection changes. + Fix exception about c++ object deleted on update. * Slurm ManageAssociations - Convert value to str before setting text in QOSLineEdit.undo(). * Command editor - Remove duplicate save of command when the name is changed. - Don't trigger a save when setting the argument filters while selecting a command. * Switch support - Remove host_id from SwitchData entries when deleting hosts. - Add the rights for SwitchData and query_switch to the 'Can configure hosts.' right. - Delete switch data if a switch is being deleted. * Misc - Fix local variable collision preventing qlustar module files getting copied to netboot nodes for lustre nodes. - nvidia-570 module * nvidia-persistenced: Enforce persistence-mode at startup. - lustre-2.17 + lustre-client module * Make ko2iblnd work with mlnx-ofed (doca).

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Security/Bug fix releases 14.1.1, 13.4.1
by General announcements about Qlustar 09 Apr '26

09 Apr '26

The Qlustar releases 14.1.1 and 13.4.1 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/2026/0408261 https://qlustar.com/qsa/2026/0408262 The following non-security related updates/enhancements/bug fixes are included: For Qlustar 14 only: - QluMan 14.1.3 * GUI - Fix changing of password for the QluMan Key Safe - BootConfig dialog: - Add Clone/Edit/Delete buttons - Add Clone context menu - Drop obsolete PXECommand - LDAP Import From AD dialog: - Add additional confirmation popup before starting the 'Create Users' process * Switches support - Hide switch NIC in selection for new Network Configs - Generate dhcp entries for switches - Add NIC named 'switch' for assigning MACs to switches * Slurm NodeStateManagement - Fix Reboot action - Map slurm node name back to qluman node name for RxEngine calls - Use slurm node name in EnclosureView tab instead of qluman node name * Alerts - Change default repeat interval for emails to 24h (applies only to new alerts) * Node/MAC detection from Switches + Dynamic Node booting - Use real IP of HA headnodes in dynamic networks as listen-address for dnsmasq - Give each HA headnode a different dynamic IP range - Allow duplicate MAC entries in SwitchData - Filter out uplink ports, remove MACs from switch if no longer present * Misc: - Drop obsolete nis-server from dnsmasq config

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Qlustar HPC Core Stack 26.02
by General announcements about Qlustar 21 Feb '26

21 Feb '26

The Qlustar team is pleased to announce the availability of the HPC Core Stack [1] 26.02 release for Qlustar 13 and 14. It was published together with the latest security bug fix update and can be installed by updating the Qlustar 13/14 chroots on the cluster head-node. This release includes the following individual major HPC core stack component updates: - Spack version 1.1.1 [2] - Slurm version 25.05.6 [3] - RDMA-Core version 61.0 [4] - HWloc version 2.12.2 [5] - UCX version 1.20.0 [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. Amongst others, it includes gcc 15.2.0 and OpenMPI 5.0.8 as new default versions. Please note that starting from version 1.0, Spack has moved to database format v8. This requires reindexing and updating the format of the database. To do this, login on a cluster node as a user with Spack admin rights (usually user 'softadm' or anybody in the group 'softadm') and execute $ spack reindex On Qlustar 14, this release also comes with the following major version updates: - ZFS version 2.3.5 [7] - Lustre version 2.17.0 [8] [1] https://qlustar.com/qlustar/hpc-stack/hpc-core-stack/ [2] https://spack.readthedocs.io/en/latest/features.html [3] https://www.schedmd.com/slurm/ [4] https://github.com/linux-rdma/rdma-core/releases/tag/v61.0 [5] https://www.open-mpi.org/projects/hwloc/ [6] https://openucx.org/ [7] https://github.com/openzfs/zfs/releases/tag/zfs-2.3.5 [8] https://www.lustre.org/lustre-2-17-0-released/

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Security/Bug fix releases 14.1.0, 13.4.0
by General announcements about Qlustar 21 Feb '26

21 Feb '26

The Qlustar releases 14.1.0 and 13.4.0 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/2026/0220261 https://qlustar.com/qsa/2026/0220262 https://qlustar.com/qsa/2026/0220263 The following non-security related updates/enhancements/bug fixes are included: For Qlustar 13 and 14: - Update to HPC Core Stack 02/26 (see separate announcement) For Qlustar 14 only: - QluMan 14.1.0 * New feature: Node/MAC detection from Switches + Dynamic Node booting * Alerts: - Assign cloned alerts to the new alert config - Force alert names to be unique * Network proxy: - Catch already closed sockets when other side closes the connection - Turn down info message for socket forwarding * slurm: - use nodes visible hostname in slurm config - Re-enable GUI accounting menu when working with 13.x clusters - Only use 256MB MemSpecLimit for demo nodes at install time * qluman-slurmd - Port to new pyslurm API to support slurm 25.05.x - Multiple bug fixes

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Qlustar 13 -> 14 update now supported
by General announcements about Qlustar 30 Dec '25

30 Dec '25

Support for updates of Qlustar 13 clusters to Qlustar 14 are now fully supported. Please consult the update instructions [1]. [1] https://docs.qlustar.com/Qlustar/14/ClusterOS/release-notes.html#_update_in…

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Security/Bug fix releases 14.0.5, 13.3.5
by General announcements about Qlustar 22 Dec '25

22 Dec '25

The Qlustar releases 14.0.5 and 13.3.5 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/2025/1220251 https://qlustar.com/qsa/2025/1220252 The following non-security related updates/enhancements/bug fixes are included: For Qlustar 13 and 14: - initramfs module * Up unionfs max_files to 131072 For Qlustar 14 only: - core module * Monitoring stack: - Add CPU temperature metrics extracted from Linux kernel/hwmon. - Add support for Dell IPMI temperature metrics. - Add ql_unionfs_open_files metrics to track the # of open files of the main unionfs process of the Qlustar node OS. * disk-auto-setup: Reliably wipe LVM and md-raid stuff

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QluMan GUI running natively on Windows
by General announcements about Qlustar 01 Dec '25

01 Dec '25

With the release of WSL 2 [1] it has become straight-forward to run the QluMan GUI directly on Windows workstations. We have now added this constellation into our portfolio of tested, verified and supported components. This means that cluster admins working on windows can now follow the corresponding setup guide [2] and enjoy a much improved user experience when working on Qlustar clusters. [1] https://learn.microsoft.com/en-us/windows/wsl/about#what-is-wsl-2 [2] https://docs.qlustar.com/Qlustar/14/ClusterOS/qluman-guide/qluman-guide.htm…

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Qlustar enters Top 100
by General announcements about Qlustar 21 Nov '25

21 Nov '25

This week at SC 25 in St. Louis, a recently implemented Qlustar 14 AI Kubernetes cluster entered the Top 500 list at rank 90 with a measured Linpack performance of *19.48 PFlop/s*. This huge success establishes Qlustar as a proven platform for even the most demanding work-loads in the AI and HPC universe. The cluster worker nodes are HGX machines each of them hosting 8 NVIDIA H100 (80GB HBM3) GPUs which are networked in a rail-optimized fat-tree NDR Infiniband fabric. Qlustar's new NVIDIA image modules support this hardware out-of-the-box with optimal performance. The *Qlustar Kubernetes stack* powering this cluster will become GA and be officially introduced in an upcoming Qlustar 14 feature release. [1] https://top500.org/system/180424/

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Qlustar Feature Update 11/25
by General announcements about Qlustar 21 Nov '25

21 Nov '25

A large bunch of new features were completed and published since the Qlustar 14 release, both in QluMan as well as for Nvidia Enterprise GPU support. Please consult the comprehensive overview at https://qlustar.com/news/2025/2025-11-21-feature-update-11-25

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