How to find WWID of the disk in a RHEL guest on ESX host?

Solution Verified - Updated -

Issue

  • How to find WWID of the sd devices to create UDEV rules for Vmware exported disk.
  • How to find WWID of the disk in a RHEL guest on ESX host.
  • Why scsi_id command is not returning disk WWID when run against VMware virtual disks

Environment

  • Red Hat Enterprise Linux 5, 6, 7
    • Vmware ESX 4.1

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