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[Bug 1909634] [NEW] There is a proble with attaching a volume to the VM when the libvirt domain is in transient status.

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Arthur Dayne <1909634@xxxxxxxxxxxxxxxxxx>
Date: Wed, 30 Dec 2020 07:07:07 -0000
Reply-to: Bug 1909634 <1909634@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

Public bug reported:

Description
===========
When the libvirt domain is in transient status, attaching volume to the VM is reported as success, with bdm infomation  
updated in the database. But the volume has not actually been attached to the libvirt domain.

Steps to reproduce
==================
1. virsh undefine <the-uuid-of-the-VM>
  2. use Nova to attach a volume to the VM
  3. nova instance-action-list <the-uuid-of-the-VM>
  4. virsh domblklist <the-uuid-of-to-VM>

Expected result
===============
  Attaching volume action is successful, and domblklist can show the attached volume.

Actual result
=============
  Attaching volume action is successful, but there is no corresponding volume in domblklist.

** Affects: nova
     Importance: Undecided
     Assignee: Arthur Dayne (palagend)
         Status: New


** Tags: volumes

** Changed in: nova
     Assignee: (unassigned) => Arthur Dayne (palagend)

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https://bugs.launchpad.net/bugs/1909634

Title:
  There is a proble with attaching a volume to the VM when the libvirt
  domain is in transient status.

Status in OpenStack Compute (nova):
  New

Bug description:
  Description
  ===========
  When the libvirt domain is in transient status, attaching volume to the VM is reported as success, with bdm infomation  
  updated in the database. But the volume has not actually been attached to the libvirt domain.

  Steps to reproduce
  ==================
  1. virsh undefine <the-uuid-of-the-VM>
    2. use Nova to attach a volume to the VM
    3. nova instance-action-list <the-uuid-of-the-VM>
    4. virsh domblklist <the-uuid-of-to-VM>

  Expected result
  ===============
    Attaching volume action is successful, and domblklist can show the attached volume.

  Actual result
  =============
    Attaching volume action is successful, but there is no corresponding volume in domblklist.

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