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[Launchpad Bug Tracker <1785568@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/1785568

Title:
  Multiple migration requests for same vm might fail

Status in OpenStack Compute (nova):
  Expired
Status in tripleo:
  Won't Fix

Bug description:
  If there are multiple migration requests for the same instance, 
  the placement inventory might not be cleaned up in time, 
  leading to further migration requests to this compute to fail: 

  Allocation for VCPU on resource provider b6d1973f-
  bc39-4ea0-8d28-15f988f762e1 violates min_unit, max_unit, or step_size.
  Requested: 5, min_unit: 1, max_unit: 4, step_size: 1 Placement API
  returning an error response: Unable to allocate inventory: Unable to
  create allocation for 'VCPU' on resource provider The requested amount
  would violate inventory constraints

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