CEPH cluster Maintenance question

Solution In Progress - Updated -

Issue

  • What is the proper way to manage RHOS cluster with CEPH OSD 3 nodes and 1 monitor nodes in a case of reboot/poweroff a whole RHOS cluster with CEPH nodes?
  • What is the order to shutdown/boot up all nodes ?
  • How to restart a ceph cluster.
  • How to power off and reboot a ceph cluster.

Environment

  • Red Hat OpenStack 7.0

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