ReaR cannot restore system disk made of multipath + software raid devices

Solution Unverified - Updated -

Issue

  • Trying to restore the backup using rear recover fails with the following error

    # rear recover
    ...
    Disk configuration is identical, proceeding with restore.
    Start system layout restoration.
    Creating partitions for disk /dev/mapper/mpathb (msdos)
    An error occurred during layout recreation.
    
  • ReaR corresponding log file shows the following error

    +++ parted -s /dev/mapper/mpathb mklabel msdos
    Error: Could not stat device /dev/mapper/mpathb - No such file or directory.
    
  • multipath -l command doesn't list the multipath disk

    # multipath -l
    

Environment

  • Red Hat Enterprise Linux (RHEL) 7
  • rear-2.00
  • multipath
  • software raid (mdadm)

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