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[Bug 1236714] Re: have to redeploy baremetal instances when changing network interfaces

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Tue, 01 Apr 2014 19:39:57 -0000
Reply-to: Bug 1236714 <1236714@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

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

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https://bugs.launchpad.net/bugs/1236714

Title:
  have to redeploy baremetal instances when changing network interfaces

Status in Ironic (Bare Metal Provisioning):
  Fix Released
Status in OpenStack Compute (Nova):
  Triaged

Bug description:
  when a node has an instance deployed to it (or one trying to deploy)
  and the network card is wrong, the solution (after physically swapping
  out the NIC) is to run 'nova baremetal-interface-add <id> <nic MAC>'

  but - neutron doesn't get told about the update, so the port
  registration is wrong, and DHCP will fail. As a result you need to
  nova delete + nova boot, which is more disruptive than necessary.

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