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[OpenStack Infra <1843439@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.opendev.org/683245
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=ddd7273ac35e4ff6c80853172338555039b368cc
Submitter: Zuul
Branch:    master

commit ddd7273ac35e4ff6c80853172338555039b368cc
Author: Matt Riedemann <mriedem.os@xxxxxxxxx>
Date:   Thu Sep 19 17:55:19 2019 -0400

    Add evacuate vs rebuild contributor doc
    
    People often get confused about the differences between
    evacuate and rebuild operations, especially since the
    conductor and compute methods are both called "rebuild_instance".
    This change adds a contributor document which explains some
    of the high and low level differences between the two operations.
    
    Change-Id: I146fbc65237c4729ce3c28a4614589ba085dfce0
    Closes-Bug: #1843439


** Changed in: nova
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1843439

Title:
  doc: Rebuild vs. Evacuate (and other move-ish ops)

Status in OpenStack Compute (nova):
  Fix Released

Bug description:
  Following discussion on IRC [1], it would be nice to have a
  contributor document describing the differences among the various
  move-ish operations -- for purposes of this bug, just rebuild and
  evacuate -- in terms of what happens to their allocations, images,
  UUIDs (instance vs migration), hosts (dest same/different from src),
  etc.

  [1] http://eavesdrop.openstack.org/irclogs/%23openstack-nova
  /%23openstack-nova.2019-09-10.log.html#t2019-09-10T13:31:17

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