Newly added LUNs do not show up under multipath -ll

Solution Verified - Updated -

Issue

  • Not able to see all multipath devices as expected although luns are discovered ok
  • Newly added LUNs do not show up under multipath -ll
  • Configured multipath and allocated 100GB of lun from storage,not able to see it on OS level
  • Newly added lun with wwid 360123456789cccccc is not showing up under multipath control as expected
  • Currently we have 3 devices that are seen by multipath however the 6 disks that we wish to add are not showing
  • Can't add new devices to multipath

Environment

  • Red Hat Enterprise Linux 6, 7, 8, 9
  • device-mapper-multipath

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