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[Tomasz Paszkowski <1668295@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

In an environment with multiple nova-computes running Ironic driver with
hashring, when one of the compute nodes is down all instances bound to
this nova-compute are not manageable (start, stop, get-serial-console).
This is because OS-EXT-SRV-ATTR:host is pointing to dead nova-compute.

We should take advantage of hashring which we have here and update OS-
EXT-SRV-ATTR:host as well during nodes reassignment.

** Affects: nova
     Importance: Undecided
         Status: New

** Project changed: ironic => nova

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https://bugs.launchpad.net/bugs/1668295

Title:
  Ironic hash ring in Ironic nova-compute driver does not  update
  hypervisor host

Status in OpenStack Compute (nova):
  New

Bug description:
  In an environment with multiple nova-computes running Ironic driver
  with hashring, when one of the compute nodes is down all instances
  bound to this nova-compute are not manageable (start, stop, get-
  serial-console). This is because OS-EXT-SRV-ATTR:host is pointing to
  dead nova-compute.

  We should take advantage of hashring which we have here and update OS-
  EXT-SRV-ATTR:host as well during nodes reassignment.

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