Cannot restore a ReaR backup: ERROR: Partition number '' of partition is not a valid number

Solution Verified - Updated -

Issue

  • When using a GPT partition, trying to restore a ReaR backup may fail with the following error

    ERROR: Partition number '' of partition is not a valid number
ERRO: Partition is numbered ''. More than 128 partition is not supported
Aborting due to an error, check log for details

  • When creating the ReaR rescue image (using rear mkrescue or rear mkbackup), the ReaR log file shows the following line

    sed: -e expression #1, char 12: unknown option to `s'

Environment

  • Red Hat Enterprise Linux 6 & 7
  • rear
  • GPT partitions

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