The genesis image goes into a file whose name ends with .lzma. The plugin writes that file only when /usr/bin/lzma is there, and it falls back to gzip when it is not. Red Hat ships no lzma binary. On AlmaLinux 9 and on AlmaLinux 10 that test fails, the plugin falls back to gzip, and it gives no message that says why. The image is larger on each run of mknb. Debian and Ubuntu ship lzma as a second name for xz, so those systems still get the smaller image. Ask xz for the same container when lzma is absent. The command "xz --format=lzma" writes the same bytes as "lzma", so the file keeps its name, its container and its size. Keep the gzip fallback for a system that has neither program. Recovered from the lenovobuild branch, which asked xz for the xz container. That container is not the lzma container, and the name of the file says lzma.
xCAT
xCAT is a toolkit for deployment and administration of clusters of all sizes.
The xCAT sunset was only a quick eclipse
Dear xCAT Community,
The xCAT sunset has changed course. VersatusHPC has been invited to join the xCAT Consortium, and future development will move toward direct upstream contributions coordinated with the Consortium and its existing member companies.
That matters most for Enterprise Linux 10 (EL10). EL10 support is coming to xCAT, restoring a future operating-system path for sites that still rely on xCAT. This is an important change from the previous sunset guidance, where the lack of an EL10 path was one of the strongest reasons to move away from xCAT.
The xCAT Consortium continues to recommend Confluent as the long-term successor to xCAT, and that remains the Consortium position. Users planning new cluster-management deployments should evaluate Confluent and its xCAT comparison documentation.
At the same time, xCAT is no longer sunsetted. The Consortium and participating companies will continue updating xCAT while there is community and user demand for it.
In summary:
- xCAT development is continuing upstream through the Consortium and participating companies.
- Enterprise Linux 10 support is coming.
- Confluent remains the Consortium-recommended successor and migration path.
- xCAT updates will continue while there is community and user demand.
We want to thank the xCAT Consortium and community for keeping this project moving. The sun went behind the moon for a moment, but xCAT is still here.
For more information on Confluent and how to get started, please visit the Confluent: Project Page, Documentation or Confluent vs xCAT comparison.
With thanks,
The xCAT Consortium
Documentation
xCAT Documentation is hosted on Read The Docs: https://xcat-docs.readthedocs.io
Status
| xCAT Version | Build Status |
|---|---|
| Latest (master branch) | |
| Stable (latest release) |
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Open Source License
xCAT is made available under the EPL license: https://opensource.org/licenses/eclipse-1.0.php
Developers
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