[Openstack] Compute Node shutdown how to prevent instance suspend

Chris contact at progbau.de
Fri Nov 3 03:52:06 UTC 2017


Hello Remo,

Exactly what I was looking for! If I could give you a rating it would be 
the highest :)

Cheers,
Chris

On 2017-11-03 1:27, Remo Mattei wrote:
> sorry forgot to paste the file location
> /etc/sysconfig/libvirt-guests
> 
> 
> 
> 
> On 11/2/17 11:21 AM, Remo Mattei wrote:
>> If you are using CentOS  / Red Hat you can modify this file:
>> 
>> libvirt-guests:#ON_SHUTDOWN=suspend
>> 
>> 
>> 
>> # action taken on host shutdown
>> # - suspend   all running guests are suspended using virsh managedsave
>> # - shutdown  all running guests are asked to shutdown. Please be
>> careful with
>> #             this settings since there is no way to distinguish 
>> between a
>> #             guest which is stuck or ignores shutdown requests and a 
>> guest
>> #             which just needs a long time to shutdown. When setting
>> #             ON_SHUTDOWN=shutdown, you must also set SHUTDOWN_TIMEOUT 
>> to a
>> #             value suitable for your guests.
>> #ON_SHUTDOWN=suspend
>> 
>> 
>> 
>> Hope this help.
>> 
>> Remo
>> 
>> On 11/2/17 11:08 AM, Chris Friesen wrote:
>>> On 11/02/2017 01:03 AM, Chris wrote:
>>>> Hello,
>>>> 
>>>> When we shut down a compute node the instances running on it get
>>>> suspended. This
>>>> generates some difficulties with some applications like RabbitMQ 
>>>> dont
>>>> like to be
>>>> suspended. Is there a way to change this behavior so that the 
>>>> running
>>>> instances
>>>> gets killed or shutdown instead?
>>> This may be done by the libvirtd shutdown scripts rather than 
>>> anything
>>> in nova.
>>> 
>>> As others have said, you should probably either shut down the VMs in
>>> an orderly fashion or else cold/live migrate the instances off the
>>> compute node before rebooting it.
>>> 
>>> Chris
>>> 
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> 
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