Error: Unable to open /dev/sd? - unrecognised disk label.

Solution Verified - Updated -

Issue

  • Error: Unable to open /dev/sd? - unrecognised disk label.
  • After live ESXi migration, commands are not found
  • After live ESXi migration, disks are no longer available to the RHEL guest.
  • Volume Groups, Logical Volumes, and filesystems are all online, but attempts to access them fail.

Environment

  • Red Hat Enterprise Linux 7

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