Bug 1148511 - Neutron DHCP Failover behavior
Summary: Neutron DHCP Failover behavior
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat OpenStack
Classification: Red Hat
Component: openstack-neutron
Version: 5.0 (RHEL 7)
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: z2
: 5.0 (RHEL 7)
Assignee: Ihar Hrachyshka
QA Contact: Ofer Blaut
URL:
Whiteboard:
Depends On:
Blocks: 1154145 1154159
TreeView+ depends on / blocked
 
Reported: 2014-10-01 15:34 UTC by Ken Schroeder
Modified: 2022-07-09 07:25 UTC (History)
10 users (show)

Fixed In Version: openstack-neutron-2014.1.2-14.el6ost openstack-neutron-2014.1.2-12.el7ost
Doc Type: Bug Fix
Doc Text:
Cause: on DHCP agent failover, DHCP port was not retained. Consequence: this broke DNS service for instances served by the DHCP agent that was failed over. Fix: the port is now saved on dhcp-agent-network-remove invocation, and later restored when dhcp-agent-network-add is called. Result: instances are still served via DNS after DHCP agent failover.
Clone Of:
Environment:
Last Closed: 2014-11-03 08:39:09 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Launchpad 1288923 0 None None None Never
OpenStack gerrit 125919 0 None MERGED Provide way to reserve dhcp port during failovers 2020-09-06 01:13:48 UTC
Red Hat Issue Tracker OSP-16614 0 None None None 2022-07-09 07:25:03 UTC
Red Hat Product Errata RHSA-2014:1786 0 normal SHIPPED_LIVE Moderate: openstack-neutron security, bug fix, and enhancement update 2014-11-03 13:36:33 UTC

Description Ken Schroeder 2014-10-01 15:34:27 UTC 
When dhcp-agent-network-remove, dhcp-agent-network add is issued the DHCP port IP address changes.  This results in breaking DNS for any VM that has been deployed on given network.  There is community bug and fix for this already and we'd like to see back port to Icehouse if possible.  


https://bugs.launchpad.net/neutron/+bug/1288923
https://review.openstack.org/#/c/79018/
Comment 5 errata-xmlrpc 2014-11-03 08:39:09 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, 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://rhn.redhat.com/errata/RHSA-2014-1786.html
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