On Mon, Jan 23, 2017 at 1:38 PM, Nathanaël Blanchet <blanchet@abes.fr> wrote:

Hi

The update notifier in the webadmin was originally designed to alert for new vdsm* packages. Now, I noticed that available update of virt packages and more are notified. I know that hot updating qemu-kvm package does break vms that are running on concerned hosts, but what about other one like libvirt-client? I know it is recommended to put in maintenance while updating, but can we update some minor packages without waiting for migration?

Hot-updating any package should not break any running VMs. If it does, it's a bug.

I personally agree it's not the best habit to do it nevertheless, and I expect users to put hosts to maintenance before performing any upgrade.

We cannot tell which update requires maintenance and which doesn't (or for that matter - requires a reboot or a service restart) - there's no metadata available to do attached to the packages that can tell us that.

--
Nathanaël Blanchet

Supervision réseau
Pôle Infrastrutures Informatiques
227 avenue Professeur-Jean-Louis-Viala
34193 MONTPELLIER CEDEX 5
Tél. 33 (0)4 67 54 84 55
Fax 33 (0)4 67 54 84 14
blanchet@abes.fr

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