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[OpenStack Infra <1547142@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/257275
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=e89e1bdc60211622440c964f8be8563da89341ac
Submitter: Jenkins
Branch:    master

commit e89e1bdc60211622440c964f8be8563da89341ac
Author: Andrea Rosa <andrea.rosa@xxxxxx>
Date:   Thu Sep 14 13:47:06 2017 -0400

    Call terminate_connection when shelve_offloading
    
    When nova performs a shelve offload for an instance, it needs to terminate
    all the volume connections for that instance as with the shelve offload
    it is not guaranteed that the instance will be placed on the same host once
    it gets unshelved.
    This change adds the call to the terminate_volume_connections on the
    _shelve_offload_instance method in the compute manager.
    
    Closes-Bug: #1547142
    
    Change-Id: I8849ae0f54605e003d5b294ca3d66dcef89d7d27


** Changed in: nova
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1547142

Title:
  A shelved_offload VM's volumes are still attached to a host

Status in OpenStack Compute (nova):
  Fix Released
Status in OpenStack Compute (nova) ocata series:
  Confirmed
Status in OpenStack Compute (nova) pike series:
  In Progress

Bug description:
  When shelve_offloading a VM, the VM loses it's connection to a host.
  However, connection to the host is not terminated to it's volumes, so they are still attached to a host.

  Afterwards, when the VM is unshleved, nova calls initialize_connection
  to the new host for it's volumes, and they are now connected to 2
  hosts.

  The correct behaviour is to call terminate_connection on the VM's
  volumes when it's being shelved_offloaded

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