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[Launchpad Bug Tracker <1737172@xxxxxxxxxxxxxxxxxx>]

[Expired for OpenStack Compute (nova) because there has been no activity
for 60 days.]

** Changed in: nova
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1737172

Title:
  Resize on same host in multiple-compute nodes environment not possible

Status in OpenStack Compute (nova):
  Expired

Bug description:
  Hi,

  On Ocata release, nova 15.0.7( Libvirt+KVM) its not possible to resize working instance on the same host, in multiple compute nodes environment
  In nova.conf is set:
  allow_migrate_to_same_host = True

  but this is not enough. Resize in Dashboard returns:
  Error: No valid host was found.

  2017-12-08 14:35:36.127 18389 INFO nova.filters [req-21f0e039-f92a-
  41d7-88c3-fbecd9b46c4b a719e1fa1583410e84a60584b057854f
  76544321203c4ea5b40651daf4505f35 - - -] Filtering removed all hosts
  for the request with instance ID 'cb76c5cc-3b0b-40eb-
  ba54-05b21331b693'. Filter results: ['RetryFilter: (start: 1, end:
  1)', 'AvailabilityZoneFilter: (start: 1, end: 0)']

  It is not possible to specify:
  scheduler_default_filters = AllHostsFilter
  as this will ignore Availability zone specified per each instance launch.

  Please advice if this is expected behavior and if can be fixed.

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