Multipath does not show the LUN of the system

Solution Verified - Updated -

Issue

  • In a boot from SAN system, the multipath command doesn't show the LUN where the root file system resides
  • The multipath configuration doesn't blacklist the system's LUN and the multipath doesn't show it

Environment

Red Hat Enterprise Linux 6 and 7
Boot from SAN system
Device-Mapper Multipath

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