invalid or corrupt target volume partition record
    Facility: EFI$CP, The OpenVMS EFI Partition Control Program
    Explanation: this message indicates that the target volume is not
    partitioned, or that the partition header has been corrupted.
    User Action: Verify that the target volume is consistent and
    uncorrupted, and particularly that the partition record is
    correct using SHOW MBR or another verification utility. If the
    volume partition record is valid, please contact the customer
    support center.