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Live Migration Support for bhyve Guests Introduced in FreeBSD 15.1

A live migration implementation for bhyve guests on FreeBSD 15.1 has been introduced, allowing running guests to move between hosts with minimal downtime. The project aims to improve virtualization capabilities and is currently in a testing phase, with feedback from the community encouraged.

The FreeBSD 15.1 update introduces live migration support for bhyve guests, allowing them to transition between hosts with minimal disruption. This feature is crucial for enterprise virtualization and is currently in a testing phase, with the code available for community feedback. Initial tests indicate downtime of approximately 138 to 171 ms for a 512 MiB guest. The project aims to enhance FreeBSD's virtualization capabilities and is seeking input from users.

Key facts

  • Live migration for bhyve guests is implemented in FreeBSD 15.1.
  • The migration process allows running guests to move between hosts over TCP.
  • Initial tests show downtime of 138 to 171 ms for a 512 MiB guest.
  • The project is currently in a Work in Progress Request for Comments phase.
  • Community feedback is encouraged to refine the implementation.
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Original Headline

Live-migration support in FreeBSD and bhyve coming

Neutral Headline

Live Migration Support for bhyve Guests Introduced in FreeBSD 15.1