Live migration has been supported on kvm for years on shared storage (nfs, ceph, solidfire, clvm). The patch referenced is live migration on local storage I believe.
Simon Weller/ENA (615) 312-6068 -----Original Message----- From: Sergey Levitskiy [sergey.levits...@autodesk.com] Received: Wednesday, 23 Nov 2016, 7:24PM To: users@cloudstack.apache.org [users@cloudstack.apache.org] Subject: Re: Instance migration I might be incorrect stating KVM live migration is not supported. Per 4.9 admin guide it is. There are some limitations but go ahead and try. http://docs.cloudstack.apache.org/projects/cloudstack-administration/en/4.9/virtual_machines.html#moving-vms-between-hosts-manual-live-migration