yahoo-eng-team team mailing list archive

[Tomoki Sekiyama <tomoki.sekiyama@xxxxxxx>]

Public bug reported:

os_require_quiesce image metadata is used in two different meanings in
volume backed instances and volume backed instances.

For volume backed instances (in nova-api):
  Quiescing is always tried on snapshot. The os_require_quiesce
  is used to determine whether snapshot should be aborted
  when quiescing is failed.

For image backed instances (in the libvirt driver):
  The os_require_quiesce metadata is used to determine whether
  quiescing is invoked or not (quiescing is invoked only when
  os_require_quiesce is set to True).

These behavior should be consistent.

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1436579

Title:
  os_require_quiesce has different meaning between volume backed
  instances and volume backed instances

Status in OpenStack Compute (Nova):
  New

Bug description:
  os_require_quiesce image metadata is used in two different meanings in
  volume backed instances and volume backed instances.

  For volume backed instances (in nova-api):
    Quiescing is always tried on snapshot. The os_require_quiesce
    is used to determine whether snapshot should be aborted
    when quiescing is failed.

  For image backed instances (in the libvirt driver):
    The os_require_quiesce metadata is used to determine whether
    quiescing is invoked or not (quiescing is invoked only when
    os_require_quiesce is set to True).

  These behavior should be consistent.

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