<div dir="ltr">update:<div>I use SAN as Cinder backend.<br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr">Nguyen Huu Khoi<br></div></div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Apr 13, 2023 at 9:02 AM Nguyễn Hữu Khôi <<a href="mailto:nguyenhuukhoinw@gmail.com">nguyenhuukhoinw@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>Hello guys.</div><div><br></div><div>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)</div><div>you cannot launch instances when 1 of 3 controllers is down. </div><div>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. </div><div><br></div><div><div dir="ltr"><div dir="ltr">Nguyen Huu Khoi<br></div></div></div><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Apr 13, 2023 at 12:59 AM Satish Patel <<a href="mailto:satish.txt@gmail.com" target="_blank">satish.txt@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">This is great! Matt, <div><br></div><div>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. </div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Apr 12, 2023 at 12:37 PM Radosław Piliszek <<a href="mailto:radoslaw.piliszek@gmail.com" target="_blank">radoslaw.piliszek@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi Matt,<br>
<br>
> As you're now reconfiguring a running deployment, there are<br>
> some extra steps that need to be taken to migrate to durable queues.<br>
><br>
> 1. You will need to stop the OpenStack services which use RabbitMQ.<br>
><br>
> 2. Reset the state of RabbitMQ one each rabbit node with the following<br>
> commands. You must run each command on all RabbitMQ nodes before<br>
> moving on to the next command. This will remove all queues.<br>
><br>
> rabbitmqctl stop_app<br>
> rabbitmqctl force_reset<br>
> rabbitmqctl start_app<br>
><br>
> 3. Start the OpenStack services again, at which point they will<br>
> recreate the appropriate queues as durable.<br>
<br>
This sounds like a great new addition-to-be to the Kolla Ansible docs!<br>
Could you please propose it as a change?<br>
<br>
Kindest,<br>
Radek<br>
<br>
</blockquote></div>
</blockquote></div>
</blockquote></div>