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Learn how to deploy and operate a production OpenStack cloud that supports both ARM64 and x86 architectures simultaneously using Kolla-Ansible in this conference talk by Bartosz Bezak and Nathan Harper. Discover the technical implementation of a containerized control plane that manages mixed-architecture environments through multi-arch Kolla images, where continuous integration builds create single tags with manifest lists that automatically serve the correct binaries for each CPU architecture. Explore the unified provisioning approach using Kayobe and Bifrost for discovery, networking, and OS installation across heterogeneous hypervisors, and understand how Ironic bare metal service enables ARM64 and x86 nodes to enroll, inspect, and deploy together seamlessly. Gain insights into the real-world challenges encountered during production deployment and learn about the upstream patches that were necessary to make multi-architecture OpenStack operations successful, moving beyond experimental setups to proven production implementations.
