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[Bug 1174132] Re: Only one instance of a DHCP agent is run per network

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Wed, 29 May 2013 11:11:14 -0000
Reply-to: Bug 1174132 <1174132@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: quantum
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1174132

Title:
  Only one instance of a DHCP agent is run per network

Status in OpenStack Quantum (virtual network service):
  Fix Released
Status in tripleo - openstack on openstack:
  Triaged

Bug description:
  DHCP Agent's are stateless and can run HA, but the scheduler only
  schedules one instance - when a network node fails (or is rebooted /
  has maintenance done on it) this results in user visible downtime.

  See also bug 1174591 which talks about the administrative overhead of
  dealing with failed nodes.

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