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[OpenStack Infra <1444841@xxxxxxxxxxxxxxxxxx>]

Fix proposed to branch: master
Review: https://review.openstack.org/226683

** Changed in: nova
       Status: Invalid => In Progress

** Changed in: nova
     Assignee: Qin Zhao (zhaoqin) => lee jian (leejian0612)

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https://bugs.launchpad.net/bugs/1444841

Title:
  Resize instance fails after creating host aggregate

Status in OpenStack Compute (nova):
  In Progress

Bug description:
  Latest Kilo code

  
  Reproduce steps:

  1. Do not define any host aggregate. AZ of host is 'nova'. Boot one
  instance named 'zhaoqin-nova' whose AZ is 'nova'

  2. Create host aggregate 'zhaoqin' whose AZ is 'zhaoqin-az'. Add host
  to 'zhaoqin' aggregate.  Now AZ of instance 'zhaoqin-nova' in db is
  still 'nova'; and 'nova list' displays AZ of 'zhaoqin-nova' is
  'zhaoqin-az'.

  3. Resize 'zhaoqin-nova' fails, no valid host.

  4. Boot another instance 'zhaoqin-my-az' whose AZ is 'zhaoqin-az'.
  Resize 'zhaoqin-my-az' succeed.

  5. Remove host from aggregate 'zhaoqin'.

  6. Resize 'zhaoqin-nova' succeed.  Resize 'zhaoqin-my-az' fails, no
  valid host.

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