Open Stack

Hi Jay,
would you like to evacuate a failed compute node or evacuate a running
compute node ?

Ignazio

Il giorno gio 11 lug 2019 alle ore 11:48 Jay See <jayachander.it at gmail.com>
ha scritto:

> Hi Ignazio,
>
> I am trying to evacuate the compute host on older version (mitaka).
> Could please share the process you followed. I am not able to succeed with
> openstack live-migration fails with error message (this is known issue in
> older versions) and nova live-ligration - nothing happens even after
> initiating VM migration. It is almost 4 days.
>
> ~Jay.
>
> On Thu, Jul 11, 2019 at 11:31 AM Ignazio Cassano <ignaziocassano at gmail.com>
> wrote:
>
>> I am sorry.
>> For simulating an host crash I used a wrong procedure.
>> Using  "echo 'c' > /proc/sysrq-trigger" all work fine
>>
>> Il giorno gio 11 lug 2019 alle ore 11:01 Ignazio Cassano <
>> ignaziocassano at gmail.com> ha scritto:
>>
>>> Hello All,
>>> on ocata when I  poweroff a node with active instance , doing a nova
>>> host-evacuate works  fine
>>> and instances are restartd on an active node.
>>> On queens it does non evacuate instances but nova-api reports for each
>>> instance the following:
>>>
>>> 2019-07-11 10:19:54.745 13811 INFO nova.api.openstack.wsgi
>>> [req-daad0a7d-87ce-41bf-b096-a70fc306db5c 0c7a2d6006614fe2b3e81e47377dd2a9
>>> c26f8d35f85547c4add392a221af1aab - default default] HTTP exception thrown:
>>> Cannot 'evacuate' instance e8485a5e-3623-4184-bcce-cafd56fa60b3 while it is
>>> in task_state powering-off
>>>
>>> So it poweroff all instance on the failed node but does not start them
>>> on active nodes
>>>
>>> What is changed ?
>>> Ignazio
>>>
>>>
>>>
>
> --
> ​
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