[Fedora-xen] Re: [Xen-users] Checkpointing

Christopher G. Stach II cgs at ldsys.net
Thu Jun 29 23:54:40 UTC 2006

Chris Vaughan wrote:
> So what's the difference between a "Live Migration" & "Save" then?  Does
> the live migration keep the image open and the save does not?  To me
> they seam to be 2 peas in a pod but I guess I'm mistaken.
> Thanks

Migration saves VM state and assumes that the filesystem does not
change.  Checkpointing would have to restore the filesystem to the same
point in time that the snapshot was taken of the VM.  Perhaps you could
swing it with CoW or something, but it doesn't work now.

Christopher G. Stach II

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