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[Xuanzhou Perry Dong <oss_xzdong@xxxxxxx>]

Tested in the latest master branch using devstack:

1. vif is unplugged

See logs in: paste.openstack.org/show/623286/

2. no stale iscsi session

See logs in: http://paste.openstack.org/show/623288/

Hi, Lucian,

Could you check the logs to see if you do things differently?

BR/Perry



** Changed in: nova
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1714247

Title:
  Cleaning up deleted instances leaks resources

Status in OpenStack Compute (nova):
  Invalid

Bug description:
  When the '_cleanup_running_deleted_instances' nova-compute manager
  periodic task cleans up an instance that still exists on the host
  although being deleted from the DB, the according network info is not
  properly retrieved. For this reason, vif ports will not be cleaned up.

  In this situation there may also be stale volume connections. Those
  will be leaked as well as os-brick attempts to flush those
  inaccessible devices, which will fail. As per a recent os-brick
  change, a 'force' flag must be set in order to ignore flush errors.

  Log: http://paste.openstack.org/raw/620048/

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