Reference Guide

Chapter 4 SCSI Commands
RECEIVE DIAGNOSTIC RESULTS Command (1Ch)
DLT-S4 Interface Reference Guide 276
RECEIVE DIAGNOSTIC RESULTS Command (1Ch) 4
The RECEIVE DIAGNOSTIC RESULTS command fetches the results of the
last
SEND DIAGNOSTIC command sent to the tape drive.
Figure 137 RECEIVE
DIAGNOSTIC RESULTS
Command Descriptor Block —
Data Format
Table 153 RECEIVE
DIAGNOSTIC RESULTS
Command Data — Field
Descriptions
The drive returns the following data as a result of the RECEIVE
DIAGNOSTIC RESULTS
command. The sense data will contain more
detailed information following a
CHECK CONDITION status on a SEND
DIAGNOSTIC
command.
Bit
7 6 5 4 3 2 1 0
Byte
0 Operation Code (1Ch)
1 Reserved PCV
2 Page Code
3 — 4
(MSB)
Allocation Length
(LSB)
5 Control
Field Description
PCV Page Code Valid. Must be set to 0, indicating that
the most recent
SEND DIAGNOSTIC command
defines the data this command returns.
Page Code Not used.
Allocation
Length
Specifies the number of bytes of diagnostic page
results the drive is allowed to send to the initiator.