User's Manual

8- DLT4000/DLT4500/DLT4700 Cartridge Tape Subsystem
.4 16 RECEIVE DIAGNOSTICS RESULTS (1Ch)
Bit
7 5 4 2 1
0 Operation Code (1Ch)
1 Logical Unit Number Reserved
2 Reserved
Byte 3 (MSB)
4 Allocation Length (LSB)
5 Unused Reserved Flag Link
Figure 8-66 RECEIVE DIAGNOSTICS RESULTS CDB
RECEIVE DIAGNOSTIC RESULTS tells the drive to send analysis data to the
initiator after completion of a SEND DIAGNOSTIC command. The following data
will be returned by this command. A REQUEST SENSE command should be issued to
obtain more detailed information following a check condition on a SEND
DIAGNOSTIC command.
Bit
7 6 5 4 3 2 1 0
0 Controller Present Flag
1 Controller Error Flag
2 Drive Present Flag
Byte 3 Drive Error Flag
4 Media Loader Present Flag
5 Media Loader Error Flag
Figure 8-67 Receive Diagnostic Result Data Format
This information simply indicates which of the main components of the subsystem has
failed testing.