expected sector size is bytes bytes

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

    Explanation: this message reports the expected sector size. This
    message can be caused by a volume that does not have the required
    sector size, or by a corrupted volume, or by an unsupported or
    unrecognized volume format.

    User Action: this message is informational, normally accompanying
    another message.