![background image](http://html2.mh-extra.com/html/quantum/dlt-s4/dlt-s4_reference-manual_3531879310.webp)
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.