On 01/08/2014 07:46 AM, Scott Sullivan wrote: > I am using QEMU/KVM, using Live Migrations like this: > > virsh migrate --live ${name} qemu+ssh://${DESTINATION}/system > > My question, running this command makes it hang in the foreground. Is > there a way for this to return immediately, so I can just poll for the > migration status? Not at the moment, but it might be worth adding a 'migrate --detach' flag for that purpose, then using job control commands to track progress independently. > Also, is there a way to _cancel_ a migration? Hit Ctrl-C (or any other approach for sending SIGINT to virsh). > I see > the --timeout option, however if a given timeout is reached I would > rather have the ability to cancel the migration than force the suspend. > > I do see there is a QEMU api migrate_cancel..eg: > > virsh qemu-monitor-command ${name} --pretty '{"execute":"migrate_cancel"}' > > Is that the only way to cancel a migration using libvirt? That way is unsupported. The supported way (and the way used by ctrl-C during 'virsh migrate') is to call virDomainAbortJob().