Fujitsu C150-E049-02EN Benutzerhandbuch
M3099GX/GH OEM Manual
3-49
INTERFACE
REQUEST SENSE Command (See ANSI SCSI-2 8.2.14)
The REQUEST SENSE command (Table 3.27) requests that the
target transfer sense data to the initiator.
target transfer sense data to the initiator.
Table 3.27 REQUEST SENSE Command
Bit
Byte
0
1
2
3
4
5
7
6
5
3
2
1
0
Operation Code (03h)
Reserved
Reserved
Allocation Length
Control
Logical Unit Number
4
Reserved
The sense data:
1) shall be available if a contingent allegiance condition exists for the
1) shall be available if a contingent allegiance condition exists for the
I_T_x nexus;
2) shall be available if other information is available in any field;
3) may be available if an unexpected disconnect occurred.
3) may be available if an unexpected disconnect occurred.
If the target has no other sense data available to return, it shall return
a sense key of NO SENSE and an additional sense code of NO
ADDITIONAL SENSE INFORMATION.
a sense key of NO SENSE and an additional sense code of NO
ADDITIONAL SENSE INFORMATION.
The sense data shall be preserved by the target for the initiator until
retrieved by a REQUEST SENSE command or until the receipt of
any other I/O process for the same I_T_x nexus. Sense data shall be
cleared upon receipt of any subsequent I/O process (including
REQUEST SENSE) to the same I_T_x nexus.
retrieved by a REQUEST SENSE command or until the receipt of
any other I/O process for the same I_T_x nexus. Sense data shall be
cleared upon receipt of any subsequent I/O process (including
REQUEST SENSE) to the same I_T_x nexus.
The sense data format for error code 70h(current errors) is
supported.
supported.
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