recovery from corruption may or may not be possible

    Facility: EFI$CP, The OpenVMS EFI Partition Control Program

    Explanation: this message is usually reported in conjunction
    with other messages, and is typically displayed when there are
    errors reading the File Allocation Table (FAT). These errors are
    ominous.

    User Action: Attempt to copy all user data off the FAT volume, as
    it appears the FAT volume is failing.