Bug 2278028 - Neutron control plane outage during in-place update
Summary: Neutron control plane outage during in-place update
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat OpenStack
Classification: Red Hat
Component: openstack-tripleo-heat-templates
Version: 17.1 (Wallaby)
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: z3
: 17.1
Assignee: Mikolaj Ciecierski
QA Contact: Archana Singh
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2024-04-30 19:47 UTC by Jakub Libosvar
Modified: 2024-05-22 20:41 UTC (History)
9 users (show)

Fixed In Version: openstack-tripleo-heat-templates-14.3.1-17.1.20231103010840.el9ost
Doc Type: Bug Fix
Doc Text:
Before this update, during upgrades to RHOSP 17.1 and updates between minor versions of 17.1, Networking service (neutron) environments that used the ML2/OVN mechanism driver stopped receiving updates from the OVN databases for a period of time. When the Controller node that contained the RAFT leader was also updated, the mechanism driver would then receive the updates from the OVN databases. + With this update, this problem has been fixed. Now, during RHOSP updates and upgrades, the Networking service using the ML2/OVN mechanism driver operates properly.
Clone Of:
Environment:
Last Closed: 2024-05-22 20:41:17 UTC
Target Upstream Version:
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker OSP-31988 0 None None None 2024-04-30 19:54:15 UTC
Red Hat Product Errata RHBA-2024:2741 0 None None None 2024-05-22 20:41:19 UTC

Description Jakub Libosvar 2024-04-30 19:47:17 UTC 
Description of problem:
Neutron server stops receiving updates from OVN databases if the database schema is converted to the new one. This is caused by another bug in python-ovs - fixed upstream https://patchwork.ozlabs.org/project/openvswitch/patch/20231218233124.669221-1-twilson@redhat.com/

In order to avoid the downtime of the Neutron control plane, we need to update the images for Neutron first before the OVN containers get updated and the images Neutron need to have OVS where this problem doesn't exist. The update of OVS version is tracked in the bug 2262077.

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Additional info:
Comment 25 errata-xmlrpc 2024-05-22 20:41:17 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (Red Hat OpenStack Platform 17.1.3 bug fix and enhancement advisory), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2024:2741
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