Qlustar Announce April 2020

qlustar-announce@qlustar.org

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[Qlustar-Announce] CentOS 8 support has arrived
by General announcements about Qlustar 17 Apr '20

17 Apr '20

CentOS 8 support is now available as a third Qlustar edge-platform and was published together with the latest security updates. It comes with the same functionality as our CentOS 7 port which includes out of the box OpenHPC 1.3.9 integration, Slurm 18.10.x, up-to-date Nvidia 340.x drivers, Lustre client and BeeGFS client. Making your compute nodes switch to CentOS 8 on an existing Qlustar cluster installation is extremely simple: First create a CentOS 8 chroot [1] optionally adding OpenHPC base support, then generate a CentOS 8 OS image [2] selecting the modules you require and finally a boot config [3] using the just generated image. After assigning [4] this boot config to the nodes you want to run it on, you just need to reboot them and voilà your CentOS 8 nodes are ready to be used. Note that OpenHPC 1.3.9 was originally built for CentOS 7.7. We had to make a few adjustments to make the OpenHPC parts relevant to Qlustar (compilers, MPIs, library packages and applications) work for CentOS 8. The OpenHPC test-suite was run successfully against these components. Once OpenHPC 2.0 will be out, we'll publish instructions to update to it. This will be straightforward. Additional improvements with this release: Updates to the latest Lustre 2.12.4 LTS release and the newest Nvidia graphics drivers 340.64 adding support for the latest Nvidia GPUs. These two updates apply to all Qlustar 11.0 platforms (Ubuntu 18.04 and CentOS 7/8). [1] https://docs.qlustar.com/en-US/Qlustar_Cluster_OS/11.0/html-single/QluMan_G… [2] https://docs.qlustar.com/en-US/Qlustar_Cluster_OS/11.0/html-single/QluMan_G… [3] https://docs.qlustar.com/en-US/Qlustar_Cluster_OS/11.0/html-single/QluMan_G… [4] https://docs.qlustar.com/en-US/Qlustar_Cluster_OS/11.0/html-single/QluMan_G…

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[Qlustar-Announce] Security/Bug fix releases 11.0.0.8-b518f1287 / 10.1.1.12-b521f1292
by General announcements about Qlustar 14 Apr '20

14 Apr '20

The Qlustar releases 11.0.0.8-b518f1287 and 10.1.1.12-b521f1292 are ready including a number of security and bug fixes. Please check the following web pages for details about security fixes: https://qlustar.com/news/qsa-0406201-linux-kernel-vulnerabilities https://qlustar.com/news/qsa-0406202-security-update-bundle The following non-security related enhancements/bug fixes are included: * Qlustar 11.0.0.8-b518f1287 updates to + the latest Lustre LTS release 2.12.4 + the latest Nvidia graphics drivers 440.64 supporting recently introduced Nvidia hardware

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Qlustar Announce April 2020