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[melanie witt <1896621@xxxxxxxxxxxxxxxxxx>]

https://review.opendev.org/c/openstack/nova/+/758732 has been released
in ussuri 21.2.0

** Changed in: nova/ussuri
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1896621

Title:
  instance corrupted after volume retype

Status in OpenStack Compute (nova):
  Fix Released
Status in OpenStack Compute (nova) queens series:
  In Progress
Status in OpenStack Compute (nova) rocky series:
  In Progress
Status in OpenStack Compute (nova) stein series:
  In Progress
Status in OpenStack Compute (nova) train series:
  In Progress
Status in OpenStack Compute (nova) ussuri series:
  Fix Released
Status in OpenStack Compute (nova) victoria series:
  Fix Released

Bug description:
  Description
  ===========

  Following a cinder volume retype on a volume attached to a running
  instance, the instance became corrupt and cannot boot into the guest
  operating system any more.

  Upon further investigating it seems the retype operation failed.  The
  nova-compute logs registered the following error:

  Exception during message handling: libvirtError: block copy still
  active: domain has active block job

  see log extract: http://paste.openstack.org/show/798201/

  Steps to reproduce
  ==================

  I'm not sure how easy this would be to replicate the exact problem.

  As an admin user within the project, in Horizon go to Project | Volume
  | Volume, then from the context menu of the required volume select
  "change volume type".

  Select the new type and migration policy 'on-demand'.

  Following this it was reported that the instance was none-responsive,
  when checking in the console the instance was unable to boot from the
  volume.

  
  Environment
  ===========
  DISTRIB_ID="OSA"
  DISTRIB_RELEASE="18.1.5"
  DISTRIB_CODENAME="Rocky"
  DISTRIB_DESCRIPTION="OpenStack-Ansible"

  # nova-manage --version
  18.1.1

  # virsh version
  Compiled against library: libvirt 4.0.0
  Using library: libvirt 4.0.0
  Using API: QEMU 4.0.0
  Running hypervisor: QEMU 2.11.1

  
  Cinder v13.0.3 backed volumes using Zadara VPSA driver

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