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On Apr 25, 2017 2:45 AM, "Ajay Kalambur (akalambu)" <akalambu at cisco.com>
wrote:

I see that when a host is gracefully rebooted nova-compute receives a
lifecycle event to shutdown the instance and it updates the database with
the state set to SHUTOFF.
Now when compute node reboot and libvirt brings the VM back up nova checks
its database and issues stop api and hence shuts down the VM

So even though resume guest state on reboot is set it does not work. Why
does nova compute ignore the lifecycle event from libvirt saying bring up
the VM and reconciles with database


How are you defining "graceful reboot"?

I am thinking that you may be defining it in a way that implies prior safe
shutdown of the guests including setting their state to "power off", in
which case restoring them to the prior state before reboot will correctly
leave them "power off". I believe this feature is only intended to work
with a shutdown of the hypervisor such as occurs when you "shutdown -r now"
on the hypervisor without first shutting down the guests.
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