Nova scheduler -- which compute node?

Budai Laszlo laszlo.budai at
Sun Jun 16 01:44:57 UTC 2019

Hi Ken

If you have admin rights in your openstack then "nova show <VM-name>" will tell you the host on which the VM was scheduled and the instance name on the host (what you would see locally using "virsh list").


On 6/14/19 11:04 PM, Ken D'Ambrosio wrote:
> Hey, all.  First things first: we're running Juno.  Yeah, it's ancient, and we've got Queens on-deck, but it's Juno.  Anyway, to my question: how can you tell which compute node is *actually getting* the VM request, shy of logging into them and looking?  For example, on the Nova node, you can see the nova-scheduler.log file talk about which hosts are weighted how, but it doesn't seem as if it actually comes out and says which host it's trying to give the VM to.  Am I missing something?  (I'd happily supply log snippets, but I figure this is a fairly general question, and didn't want to paste 1.7 TB of random, possibly-relevant logs.)
> Thanks!
> -Ken

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