How do I convert my root disk to RAID1 after installation of Red Hat Enterprise Linux 7?

Solution Verified - Updated -

Issue

  • Need to convert a non-raided root disk to RAID1 mirror after installation of Red Hat Enterprise Linux 7.

Environment

  • Red Hat Enterprise Linux (RHEL) 7
  • Logical Volume Manager (LVM)
  • Software Raid (mdadm)

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