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Bug 1148511 - Neutron DHCP Failover behavior
Neutron DHCP Failover behavior
Status: CLOSED ERRATA
Product: Red Hat OpenStack
Classification: Red Hat
Component: openstack-neutron (Show other bugs)
5.0 (RHEL 7)
Unspecified Unspecified
medium Severity medium
: z2
: 5.0 (RHEL 7)
Assigned To: Ihar Hrachyshka
Ofer Blaut
: OtherQA, ZStream
Depends On:
Blocks: 1154145 1154159
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Reported: 2014-10-01 11:34 EDT by Ken Schroeder
Modified: 2018-02-08 05:24 EST (History)
10 users (show)

See Also:
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.
Story Points: ---
Clone Of:
Environment:
Last Closed: 2014-11-03 03:39:09 EST
Type: Bug
Regression: ---
Mount Type: ---
Documentation: ---
CRM:
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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External Trackers
Tracker ID Priority Status Summary Last Updated
Launchpad 1288923 None None None Never
OpenStack gerrit 125919 None None None Never
Red Hat Product Errata RHSA-2014:1786 normal SHIPPED_LIVE Moderate: openstack-neutron security, bug fix, and enhancement update 2014-11-03 08:36:33 EST

  None (edit)
Description Ken Schroeder 2014-10-01 11:34:27 EDT 
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 03:39:09 EST 
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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