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[Alan Pevec <1485883@xxxxxxxxxxxxxxxxxx>]

** Also affects: neutron
   Importance: Undecided
       Status: New

** Changed in: neutron
       Status: New => Invalid

** Also affects: neutron/juno
   Importance: Undecided
       Status: New

** Changed in: neutron/juno
       Status: New => Fix Committed

** Changed in: neutron/juno
     Assignee: (unassigned) => Salvatore Orlando (salvatore-orlando)

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https://bugs.launchpad.net/bugs/1485883

Title:
  NSX-mh: bad retry behaviour on controller connection issues

Status in neutron:
  Invalid
Status in neutron juno series:
  Fix Committed
Status in vmware-nsx:
  Fix Committed

Bug description:
  If the connection to a NSX-mh controller fails - for instance because
  there is a network issue or the controller is unreachable - the
  neutron plugin keeps retrying the connection to the same controller
  until it times out, whereas a  correct behaviour would be to try to
  connect to the other controllers in the cluster.

  The issue can be reproduced with the following steps:
  1. Three Controllers in the cluster 10.25.56.223,10.25.101.133,10.25.56.222
  2. Neutron net-create dummy-1 from openstack cli
  3. Vnc into controller-1, ifconfig eth0 down
  4. Do neutron net-create dummy-2 from openstack cli

  The API requests were forwarded to 10.25.56.223 originally. eth0
  interface was shutdown on 10.25.56.223. But the requests continued to
  get forwarded to the same Controllers and timed out.

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