Sometimes your computer may display a device error message, the logical device identification code is not transmitted. There can be several reasons for this problem.

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    Request Sense (03h) returns sense data. The range generates discovery data when the previous command has definitely ended with a condition check condition (02h). Multiple errors may occur when processing a single SCSI command. The meaning key represents the error that occurred first.

    device error sense code logical unit communication failure

    If your organization issues a Request Sense command on an unsupported LUN, the library will fail the return check condition. Instead, the library returns a Sense with the Sense Marketing Information key set to Illegal Request (05h), ASC set to Unsupported LUN (25h), and ASCQ set to 00h.

    If the library is shared with you, issue a Request Sense command from an initiator that has not yet been configured with access, the inventory will not return a confirmation prompt. Instead, the library returns meaningful marketing information for unauthorized LUN access with Sense Key set to Not Ready (02h), ASC set to 74h, and ASCQ set to 71h.

    If unique discovery data is available, the library will providediscovery data with discovery key preset to no discovery (0h), ASC to no additional discovery information (00h) and ASCQ to 00h .

    The library returns the check condition status (02h) for the main Request Sense statement only for data errors that are specific to the statement itself – for example, the if directory finds a non-zero reserved bit in the entire CBD. If the library returns a Check Condition (02h) to receive a Request Sense command, then the Data Sense may be invalid.

    Description


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  • 0 means that the library returns fixed design recognition data.

    Distribution length


    device error sense code logical unit communication failure

    The number of bytes allocated for the returned audit data. The library allows you to record data for no more than 14 hours (20d) attachbytes.

    Detection Codes And Additional Qualifiers

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    장치 오류 감지 코드 논리 장치 통신 실패
    Kod Wykrywania Błędu Urządzenia Błąd Komunikacji Jednostki Logicznej
    Enhetsfel Avkänningskod Logisk Enhetskommunikationsfel
    Gerätefehler Erkennungscode Kommunikationsfehler Der Logischen Einheit
    Error Del Dispositivo Código De Detección Fallo De Comunicación De La Unidad Lógica
    Code De Détection D'erreur De Périphérique Échec De Communication De L'unité Logique
    Falha De Comunicação Da Unidade Lógica Do Código De Detecção De Erro Do Dispositivo
    Errore Del Dispositivo Codice Di Rilevamento Errore Di Comunicazione Dell'unità Logica
    Код ошибки устройства Сбой связи с логическим блоком
    Apparaatfoutdetectiecode Logische Eenheid Communicatiefout