How to properly shutdown/restart a Red Hat OpenStack deployment

Solution Verified - Updated -

Issue

  • How to properly prepare an OpenStack deployment for shutdown ?
  • How to properly start the OpenStack cluster after shutdown ?
  • How to stop and start multiple controller (HA setting) in openstack ?
  • How to poweroff OpenStack
  • How to shutdown overcloud
  • How to poweroff overcloud
  • How to reboot overcloud
  • how to reboot openstack

Environment

  • Red Hat Openstack 13
  • Red Hat Openstack 12
  • Red Hat OpenStack 11
  • Red Hat OpenStack 10
  • Red Hat OpenStack 9
  • Red Hat OpenStack 8
  • Red Hat OpenStack 7

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