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[Ussuri] Auto shutdown VM


Thanks for pointing out. Have 70 + vms and has issue with just 3 vms so i am really confused

Sent from my iPhone

> On 18-Nov-2020, at 1:56 PM, rui zang <rui.zang at yandex.com> wrote:
> 
> 
> [instance: 28cd861c-ef15-444a-a902-9cac643c72b5] Received unexpected event network-vif-unplugged-e97839a1-bbc4-4d26-af30-768ca3630ce9 for instance with vm_state active and task_state None.
>  
>  
> Clearly the network virtual interface was somehow removed or unplugged. What you should look into is OVS or whatever the network solution you are using.
>  
>  
> 18.11.2020, 01:44, "Deepa KR" <deepa.kr at fingent.com>:
>  Hi All
>  
> We have a Openstack setup with the Ussuri Version and I am regularly facing auto shutdown of a few VMs (ubuntu16.04) randomly .
> If I restart then the instance is back .
>  
> From logs I was able to see the messages below .
>  
>  WARNING nova.compute.manager [req-2a21d455-ac04-44aa-b248-4776e5109013 813f3fb52c434e38991bb90aa4771541 10b5279cb6f64ca19871f132a2cee1a3 - default default] [instance: 28cd861c-ef15-444a-a902-9cac643c72b5] Received unexpected event network-vif-unplugged-e97839a1-bbc4-4d26-af30-768ca3630ce9 for instance with vm_state active and task_state None.
>  INFO nova.compute.manager [-] [instance: 28cd861c-ef15-444a-a902-9cac643c72b5] VM Stopped (Lifecycle Event)
>  INFO nova.compute.manager [req-8261f607-4f1e-459d-85d4-e269694dd477 - - - - -] [instance: 28cd861c-ef15-444a-a902-9cac643c72b5] During _sync_instance_power_state the DB power_state (1) does not match the vm_power_state from the hypervisor (4). Updating power_state in the DB to match the hypervisor.
> syslog:Nov 13 07:01:07 fgshwbucehyp04 nova-compute[2680204]: 2020-11-13 07:01:07.684 2680204 WARNING nova.compute.manager [req-8261f607-4f1e-459d-85d4-e269694dd477 - - - - -] [instance: 28cd861c-ef15-444a-a902-9cac643c72b5] Instance shutdown by itself. Calling the stop API. Current vm_state: active, current task_state: None, original DB power_state: 1, current VM power_state: 4
>   nova.compute.manager [req-8261f607-4f1e-459d-85d4-e269694dd477 - - - - -] [instance: 28cd861c-ef15-444a-a902-9cac643c72b5] Instance is already powered off in the hypervisor when stop is called.
>  nova.virt.libvirt.driver [req-8261f607-4f1e-459d-85d4-e269694dd477 - - - - -] [instance: 28cd861c-ef15-444a-a902-9cac643c72b5] Instance already shutdown.
>  nova.virt.libvirt.driver [-] [instance: 28cd861c-ef15-444a-a902-9cac643c72b5] Instance destroyed successfully.
>  nova.compute.manager [req-7a0a0d03-e286-42f0-9e36-38a432f236f3 d9ca03b9d0884d51a26a39b6c82f02eb 304d859c43df4de4944ca5623f7f455c - default default] [instance: 28cd861c-ef15-444a-a902-9cac643c72b5] Get console output
>  nova.virt.libvirt.driver [-] [instance: 28cd861c-ef15-444a-a902-9cac643c72b5] Instance destroyed successfully.
>  
> I searched a few blogs and forums but couldn't find a solution to it .
>  
> Few mentioned to add sync_power_state_interval=-1 in /etc/nova/nova.conf .But understood that this will help only when nova stops vm.
> But in this case vm itself is shutting down (Instance shutdown by itself. Calling the stop API) 
> Also no memory issue in VM nor the hypervisor.
> Also did apt-get upgrade .
>  
> It would be great if anyone can shed light to this issue.
>  
> Regards,
> Deepa K R
> 
> Sent from my iPhone
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