[Openstack] Restart instances after node reboot

Gonzalo Aguilar Delgado gaguilar at aguilardelgado.com
Mon Jun 30 08:27:53 UTC 2014


Hi JuanFra,


By the way, The |start_guests_on_host_boot=true| functionality has been 
removed in grizzly. I'm using Icehouse. So I suppose this will not work. 
Maybe with Heat or similar can be done, I have to investigate...

Thank you for your feedback.




El 29/06/14 20:34, JuanFra Rodriguez Cardoso escribió:
> Hi Gonzalo:
>
> You may find the solution in:
> https://ask.openstack.org/en/question/5100/after-reboot-doesnt-run-guest
>
> Regards,
> ---
> JuanFra Rodriguez Cardoso
>
>
> 2014-06-29 19:36 GMT+02:00 Gonzalo Aguilar Delgado 
> <gaguilar at aguilardelgado.com <mailto:gaguilar at aguilardelgado.com>>:
>
>     Hi,
>
>     I just rode about ops in nodes reboot.
>
>     http://docs.openstack.org/openstack-ops/content/maintenance.html
>
>     I found that one of my nodes had a bug in openvswitch (I have to
>     report it) that made it to coredump. So I loose conectivity to
>     this node everytime it happens. Normally only solution is reboot
>     the node.
>
>     The problem is that after reboot all instances get shutdown. But I
>     need to reboot the instances that were up. The only way to do it
>     now it's by hand. So I must log to the cluster to do it.
>
>     Is there any way to tell openstack to reboot anything that were up
>     after node recovers?
>
>     Document says:
>
>     nova list --host c01.example.com --all-tenants
>     nova reboot <uuid>
>
>     This can be tedious if you have lots of instances...
>
>
>     Best regards.
>
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