Why does Red Hat Enterprise Linux 6 to 7 in-place upgrade fail if /usr is on separate partition ?

Solution Verified - Updated -

Issue

  • Trying to upgrade Red Hat Enterprise Linux 6 to Red Hat Enterprise Linux 7 using in-place upgrade procedure.
  • preupg reports a FAIL when /usr is on a separate partition.
|In-place Upgrade Requirements for the /usr/ Directory    |fail              |  

Environment

  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • redhat-upgrade-tool

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