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Warning: Disk has a valid GPT signature but invalid PMBR (Doc ID 401038.1)

Last updated on FEBRUARY 03, 2019

Applies to:

Linux OS - Version 2.4 to 2.6
Oracle Cloud Infrastructure - Version N/A and later
Linux Itanium
Linux x86-64
Linux x86
Linux ItaniumLinux x86-64Linux x86

Symptoms

System consistently gets  the following in /var/log/messages

  Warning: Disk has a valid GPT signature but invalid PMBR.
  Assuming this disk is *not* a GPT disk anymore.
  Use gpt kernel option to override.  Use GNU Parted to correct disk.
  unknown partition table

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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