diagnostic partition must be marked as contiguous
    Facility: EFI$CP, The OpenVMS EFI Partition Control Program
    Explanation: The SYS$DIAGNOSTICS hardware diagnostic partition
    is comprised of two or more ranges of blocks, or could otherwise
    become fragmented.
    User Action: Use COPY/CONTIGUOUS or similar command to ensure
    that the diagnostic partition is contiguous, and retry the
    command.