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Re: [Libvir] save/restore support for KVM



Daniel P. Berrange wrote:
- I append the domain's UUID at the end of the migration image. This doesn't affect KVM at all (it ignores the extra data).
  Does that seem reasonable?  It's unclear how the saved image
  is supposed to get associated with a particular VM configuration
  without doing something like this.

Actually I'd store the entire XML config appended to the end of the image.
Its quite possible the saved image may be restored on a different machine
so libvirt will need the XML config there & its not much work to automatically
append it all & use it when restoring later.

How does this (or even _does_ this) work in the Xen case? Does Xen save this info like UUID, name, etc. in the migration image?

Rich.

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