Open Stack

update:
I use SAN as Cinder backend.
Nguyen Huu Khoi


On Thu, Apr 13, 2023 at 9:02 AM Nguyễn Hữu Khôi <nguyenhuukhoinw at gmail.com>
wrote:

> Hello guys.
>
> I do many tests on xena and yoga. then i am sure that without ha-queue and
> kombu_reconnect_delay=0.5(it can < 1)
> you cannot launch instances when 1 of 3 controllers is down.
> Somebody can verify what I say, I hope we will have a common solution for
> this problem because those who use openstack for the first time will
> continue to ask questions like that.
>
> Nguyen Huu Khoi
>
>
> On Thu, Apr 13, 2023 at 12:59 AM Satish Patel <satish.txt at gmail.com>
> wrote:
>
>> This is great! Matt,
>>
>> Documentation would be greatly appreciated. I have a counter question:
>> does Durable queue be good for large clouds with 1000 compute nodes or
>> better to not use durable queue. This is a private cloud and we don't care
>> about persistent data.
>>
>> On Wed, Apr 12, 2023 at 12:37 PM Radosław Piliszek <
>> radoslaw.piliszek at gmail.com> wrote:
>>
>>> Hi Matt,
>>>
>>> > As you're now reconfiguring a running deployment, there are
>>> > some extra steps that need to be taken to migrate to durable queues.
>>> >
>>> > 1. You will need to stop the OpenStack services which use RabbitMQ.
>>> >
>>> > 2. Reset the state of RabbitMQ one each rabbit node with the following
>>> > commands. You must run each command on all RabbitMQ nodes before
>>> > moving on to the next command. This will remove all queues.
>>> >
>>> >     rabbitmqctl stop_app
>>> >     rabbitmqctl force_reset
>>> >     rabbitmqctl start_app
>>> >
>>> > 3. Start the OpenStack services again, at which point they will
>>> > recreate the appropriate queues as durable.
>>>
>>> This sounds like a great new addition-to-be to the Kolla Ansible docs!
>>> Could you please propose it as a change?
>>>
>>> Kindest,
>>> Radek
>>>
>>>
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