“I previously discussed the state of bhyve live migration, its historical development, existing limitations, and why it matters for the future of FreeBSD virtualization in my article bhyve on FreeBSD and VM Live Migration”
This project presents a first working state for live migration of bhyve guests on FreeBSD 15.1. A running amd64 guest can move between two hosts over TCP while continuing to run; it is paused only for the final stop-and-copy phase. The work builds on bhyve's experimental snapshot support and adds dirty-page tracking in the vmm kernel module together with a migration protocol in bhyve and bhyvectl. I previously discussed the state of bhyve live migration, its historical development, existing limitations, and why it
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