BwUniCluster2.0/Maintenance/2021-10
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The following changes are currently planned for the maintenance interval starting on 11.10.2021 (Monday) at 8 AM and ending on 15.10.2020 (Friday) at 12 AM.
This list will be extended and specified in the next days and weeks and is subject to change
Hardware
- The Broadwell Login nodes (uc1e.scc.kit.edu) will be taken out of service permanently due to ongoing hardware and software issues and low utilisation. It is still possible to generate code for the Broadwell nodes using the compilers installed on the normal login nodes, or by starting an interactive job on the Broadwell compute nodes.
- All firmware versions on all components will be upgraded.
Operating system
- The operating system version may be upgraded to Red Hat Enterprise Linux (RHEL) 8.4. Should this happen we recommend to re-compile all applications after the upgrade.
Compilers, Libaries and Runtime Environments
Development tools
Userspace tools
- The workspace tools will be switched to a different, more modern implementation. The workspace management commands will not change, but currently it is still being clarified how existing workspaces will be handled.
Software Modules
The following list it not exhaustive.
- Update math/R software module to latest version 4.1.x.
Batch system
Storage
- Upgrade of the Lustre file systems
Graphics stack
- The NVIDIA driver will be updated to the most recent version available.
Containers
JupyterHub
- The JupyterHub version will be updated to a more recent version.