On 03/12/2013 01:29 PM, Jamie Fargen wrote: > Good Afternoon, > > I was curious to know what happens to running guests when the qemu-kvm rpm > is update via yum. I assume that the current qemu processes would be > running the old binary, but the new processes would be started using the > new binary. Please let me know if this assumption is correct. This is indeed correct. The only potential gotcha is if the newer qemu is newer than what libvirt is expecting (for example, about a year ago, if you ran Fedora 16 and installed qemu 1.0 from fedora-virt-preview but left libvirt from the stock Fedora install, then libvirt would fail to run qemu); but as long as you upgrade libvirt first or at the same time as qemu, and restart libvirtd before starting new guests (a libvirtd restart has no impact to running guests), you should never hit this situation. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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