Bug 1942523 - [16.x] After a minor update on composable control plane we can be left with lingering ban on the ovn-dbs VIP
Summary: [16.x] After a minor update on composable control plane we can be left with l...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat OpenStack
Classification: Red Hat
Component: openstack-tripleo-heat-templates
Version: 16.2 (Train)
Hardware: x86_64
OS: Linux
high
high
Target Milestone: beta
: 16.2 (Train on RHEL 8.4)
Assignee: Damien Ciabrini
QA Contact: Joe H. Rahme
URL:
Whiteboard:
Depends On:
Blocks: 1968522
TreeView+ depends on / blocked
 
Reported: 2021-03-24 13:53 UTC by Michele Baldessari
Modified: 2021-09-15 07:13 UTC (History)
2 users (show)

Fixed In Version: openstack-tripleo-heat-templates-11.5.1-2.20210506094805.28ae385.el8ost
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Doc Text:
Clone Of:
: 1968522 (view as bug list)
Environment:
Last Closed: 2021-09-15 07:13:08 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Launchpad 1921351 0 None None None 2021-03-27 09:04:01 UTC
OpenStack gerrit 782931 0 None MERGED HA: fix race when moving VIP during minor update 2021-05-06 12:50:15 UTC
Red Hat Product Errata RHEA-2021:3483 0 None None None 2021-09-15 07:13:32 UTC

Description Michele Baldessari 2021-03-24 13:53:40 UTC 
Description of problem:
Seen this sometimes via our nightly OSP16 job. http://10.19.227.133:8080/job/osp16_nightly_new/27/

Basically the controller replacement, succeeds but the tempest afterwards fail on networking problems.

The reason is that the OVN-DBS VIP is in Stopped state. It is in stopped state due to a ban on a node. Likely a leftover from our minor update process where we do ban/unban VIPs to minimize downtime:
[root@controller-1 ~]# pcs constraint ref ip-172.17.1.44
Resource: ip-172.17.1.44
  colocation-ip-172.17.1.44-ovn-dbs-bundle-INFINITY
  location-ip-172.17.1.44
  cli-ban-ip-172.17.1.44-on-controller-2
  order-ovn-dbs-bundle-ip-172.17.1.44-Optional

The controller-2 ban is what is problematic. If ovn-dbs runs as Master on controller-2 then the VIP will just not start.
Comment 8 errata-xmlrpc 2021-09-15 07:13:08 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 (RHOSP) 16.2 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/RHEA-2021:3483
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