How to recover a ceph OSD server in case of an operating system disk replacement or reinstallation.

Solution Verified - Updated -

Issue

  • In case of object storage daemon (OSD) server operating system (OS) failure that can be a cause by:
    • OS disk hardware failure
    • major malfunction to the OS that will require RHEL reinstallation
      how can the entire OSD content be recovered?

Environment

  • Red Hat Ceph Storage 4.x
  • Red Hat Ceph Storage 3.x

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