How to backup/restore an openstack system installed with UEFI - error 'Empty string passed to get_device_name' during recovery

Solution Verified - Updated -


  • An openstack system installed on a UEFI configuration will show this error during the recovery step, even if the backup was successful:

    +++ Log 'ERROR:
    BUG in /usr/share/rear/lib/ line 487:
    '\''Empty string passed to get_device_name'\''
  • How to backup openstack system installed with UEFI


  • Red Hat Enterprise Linux
  • Openstack
  • REAR

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