Multipathd fails to accept a new valid scsi disk path

Solution Verified - Updated -

Issue

A new valid scsi disk path arrives but is not added to the required multipath group, even though multipathd is running and is reporting no errors .

Environment

  • Red Hat Enterprise Linux 7
    • kernel - 3.10.0-693.el7
    • SCSI devices over a Fibre Channel or iSCSI transport

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