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[Bug 2092391] [NEW] duplication instances when nova compute service restart

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: benlei <2092391@xxxxxxxxxxxxxxxxxx>
Date: Mon, 23 Dec 2024 08:00:50 -0000
Reply-to: Bug 2092391 <2092391@xxxxxxxxxxxxxxxxxx>
Sender: noreply@xxxxxxxxxxxxx

Public bug reported:

During the post phase of instance live migration, if the nova compute
service is restarted, duplication instances may occur.

The nova compute service restarted but the libvirt continue to execute
live migration, the below scenario:

The libvirt live migration completed and instance can work properly，the
source nova compute service will resume instance on source node while
nova compute serivce restarted.

This will produce duplication instances.

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2092391

Title:
  duplication instances when nova compute service restart

Status in OpenStack Compute (nova):
  New

Bug description:
  During the post phase of instance live migration, if the nova compute
  service is restarted, duplication instances may occur.

  The nova compute service restarted but the libvirt continue to execute
  live migration, the below scenario:

  The libvirt live migration completed and instance can work
  properly，the source nova compute service will resume instance on
  source node while nova compute serivce restarted.

  This will produce duplication instances.

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