[Bug 1859649] Re: networking disruption on upgrade from 14.0.0 to 14.0.3
Rodolfo Alonso
ralonsoh at redhat.com
Wed Jan 15 19:24:25 UTC 2020
Hello:
As Felipe pointed out, the compatibility layer relies on the server
side. But making a stable upgrade should not trigger this problem of
course.
The mentioned patch [1] complies with the OVO versioning rules, allowing
version downgrade (in the server side).
Is there an order in the upgrade procedure you used? According to "Rolling upgrade" section in [2]:
"""
To simplify the matter, it's always assumed that the order of service upgrades is as following:
first, all neutron-servers are upgraded.
then, if applicable, neutron agents are upgraded.
"""
Regards.
[1] https://github.com/openstack/neutron/commit/b452c508b62
[2] https://github.com/openstack/neutron/blob/master/doc/source/contributor/internals/upgrade.rst
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https://bugs.launchpad.net/bugs/1859649
Title:
networking disruption on upgrade from 14.0.0 to 14.0.3
Status in Ubuntu Cloud Archive:
New
Status in neutron:
New
Status in neutron package in Ubuntu:
Confirmed
Status in neutron source package in Disco:
New
Status in neutron source package in Eoan:
New
Status in neutron source package in Focal:
Confirmed
Bug description:
Hi,
Not entirely sure why, but if a cloud has services running these 2
versions of neutron (2:14.0.3-0ubuntu1~cloud0 and
2:14.0.0-0ubuntu1.1~cloud0), networking is basically broken until
everything is running 2:14.0.3-0ubuntu1~cloud0.
Which causes networking disruption when not all nodes are upgraded at
the same time.
Thanks
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