RHEL5 and parted disk errors

Solution Unverified - Updated -

Issue

  • Disks were partitioned with the following 'parted' command:
parted -- /dev/mapper/${lun} mklabel gpt
  • The following error is received:
Warning: Disk has a valid GPT signature but invalid PMBR.
Assuming this is *not* a GPT disk anymore.

Environment

  • Red Hat Enterprise Linux 5
  • parted (libparted)

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