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[Abhishek Kekane <abhishek.kekane@xxxxxxxxxxx>]

Public bug reported:

shelved_offload_time -1 means instance will remain in the SHELVED state until user unshelves it.
Current behavior of _poll_shelved_instances periodic task is not considering shelved_offload_time is configured as -1 and offloading all the instances which are in 'SHELVED' state.


Stpes to reproduce:
1. set shelved_offload_time to -1 and restart nova-compute service.
2. create instance and shelve it using command, "nova shelve <instance_id>"
3. verify instance is in SHELVED state and instance files are present in instance path.
4. wait until  _poll_shelved_instances periodic task executes (default is 3600 seconds, you can change it to 120 seconds)
5. Once _poll_shelved_instances periodic task is executed, instance state changes to SHELVED_OFFLOADED and instance files are deleted from instance path.

** Affects: nova
     Importance: Undecided
     Assignee: Abhishek Kekane (abhishek-kekane)
         Status: New

** Changed in: nova
     Assignee: (unassigned) => Abhishek Kekane (abhishek-kekane)

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https://bugs.launchpad.net/bugs/1472946

Title:
  _poll_shelved_instances periodic task is offloading instances even if
  shelved_offload_time is -1

Status in OpenStack Compute (Nova):
  New

Bug description:
  shelved_offload_time -1 means instance will remain in the SHELVED state until user unshelves it.
  Current behavior of _poll_shelved_instances periodic task is not considering shelved_offload_time is configured as -1 and offloading all the instances which are in 'SHELVED' state.

  
  Stpes to reproduce:
  1. set shelved_offload_time to -1 and restart nova-compute service.
  2. create instance and shelve it using command, "nova shelve <instance_id>"
  3. verify instance is in SHELVED state and instance files are present in instance path.
  4. wait until  _poll_shelved_instances periodic task executes (default is 3600 seconds, you can change it to 120 seconds)
  5. Once _poll_shelved_instances periodic task is executed, instance state changes to SHELVED_OFFLOADED and instance files are deleted from instance path.

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