Best practice is to use shared storage and then the "copy" is really only the active memory. A few changes came about in about the newton? timeframe that allows for some memory convergence.
Take a look at the nova release notes from that time forward and you should see reference to the change(s). You likely won't get much more detail without providing a lot more detail about your environment (and maybe not even then.) This functionality is very dependent on your specific configuration regarding: storage design hypervisor choice and is also very dependent upon network load network bandwidth VM size VM busy-ness network design nova structure (regions AZs, etc.) -dave On Wed, Mar 21, 2018 at 1:35 PM, Torin Woltjer <torin.wolt...@granddial.com> wrote: > I can't find any up to date official documentation on the topic, and only > find documentation referring to the commands used. What is the best > practice for setting up live migration for nova? I have used live migration > over SSH in the past, but the documentation for how to do so is lost to me. > Also there is live migration over TCP, is this preferable to ssh and how > would you set it up. What are any general best practices for doing this, > and what recommendations do you have? > > Thanks, > > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/ > openstack > Post to : openstack@lists.openstack.org > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/ > openstack > >
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