<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class=""><br class=""></div>Thanks for your help, really.<div class="">My cluster: 2 controllers nodes, OVS, L3-HA.</div><div class="">All nodes had to be rebooted </div><div class="">All is working for example with external networks (so dhcp on external networks). </div><div class="">There are no dead containers, all seems ok.</div><div class=""><br class=""></div><div class="">I try to create a new instance on a L3 network. No ERROR in neutron*.log.</div><div class="">The only error is nova-api.log:</div><div class=""><br class=""></div><div class="">Example:</div><div class=""><font color="#e32400" class="">2022-11-11 08:45:54.452 42 ERROR oslo.messaging._drivers.impl_rabbit [-] [8b6fd776-f096-4c8a-927e-88225a3adb43] AMQP server on 10.0.5.109:5672 is unreachable: <RecoverableConnectionError: unknown error>. Trying again in 1 seconds.: amqp.exceptions.RecoverableConnectionError: <RecoverableConnectionError: unknown error></font></div><div class=""><br class=""></div><div class="">But on the first node (10.0.5.109 on the internal network) « netstat -atnp |wc-l » ———>>> 505 connections</div><div class=""><br class=""></div><div class="">So…. if I backup /etc/kolla, my glance images, my configuration files…</div><div class="">if a do « koll-ansible destroy », is next step « kolla-ansible bootstraps…. » and preaches, and deploy,</div><div class="">or directly deploy ? </div><div class=""><br class=""></div><div class="">What’s the difference with cleanup-containers ? </div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><div class="">I use this openstack cluster for my students, I have a month to get it working again. I could reinstall everything (and change the operating system) but I don't have time for that.</div><div class="">So I can lose all the users data, if I have my glance images, my flavors, the configuration to hang the ldap, the certificates, I think it will be ok.</div></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""><div class=""><div class="">
<meta charset="UTF-8" class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div><span style="color: rgb(31, 73, 125); font-family: Arial, sans-serif; font-size: 10pt; orphans: 2; widows: 2;" class="">Franck VEDEL</span></div></div></div></div></div></div></div><div><blockquote type="cite" class=""><div dir="ltr" class=""><div class="gmail_quote"><div class=""><br class=""></div><div class="">Are you asking how to completely zero out your entire cluster and rebuild it? That seems a bit drastic.</div><div class=""><br class=""></div><div class="">kolla-ansible destroy will nuke everything. Take a backup of /etc/kolla (or wherever your inventory / globals.yml / passwords/yml is) first. Older versions removed some things there when running destroy and I can't recall when / if that changed.</div><div class=""><br class=""></div><div class="">How many controllers do you have? </div><div class=""><br class=""></div><div class=""><div class="">Are you using OVS, OVN, or something else? </div><div class=""><br class=""></div><div class="">Are you using L3-HA? DVR? </div></div><div class=""><br class=""></div><div class="">Did all nodes have to be rebooted? If not, then which ones?</div><div class=""><br class=""></div><div class="">Have you confirmed there are no dead containers on any controllers? ( docker ps -a )<br class=""></div><div class=""><br class=""></div><div class="">Have you looked in logs for ERROR messages? In particular: neutron-server.log, neutron-dhcp-agent.log, nova-api.log, and nova-compute.log ?</div><div class=""><br class=""></div><div class="">Strange things happen when time is out of sync. Verify all the nodes synced properly to an NTP server. Big symptom of this is 'openstack hypervisor list' will show hosts going up and down every few seconds.</div><div class=""><br class=""></div><div class=""> </div></div></div>
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