beautypg.com

Troubleshooting online diagnostics, Disk module request sense information – HP A3312A User Manual

Page 78

background image






Troubleshooting & Diagnostics
Diagnostic Information


72






Troubleshooting

Online Diagnostics

Most HP systems include online diagnostic utilities for use with SCSI mass storage devices. The following
online diagnostics may be available on your system. Refer to your system documentation for information
on using online diagnostics.

Sherlock Online Diagnostics for SCSI: Used to diagnose all devices.

SCSIDSK2: Used to diagnose disk devices.

SCSIDDS: Used to diagnose DDS tape devices.

Disk Module Request Sense Information

This section describes the data returned for a disk module when a Request Sense command is invoked.

Table 13. Disk Module Request Sense Data Format

Bit

Byte

7

6

5

4

3

2

1

0

0

Valid

Error Code

1

Segment Number

2

FM

EOM

ILI

0

Sense Key

3-6

Information Bytes (MSB=3; LSB=6)

7

Additional Sense Length

8-11

Command-Specific Information

12

Additional Sense Code

13

Additional Sense Code Qualifier

14

FRU Code

15

SKSV

Sense Key Specific

16-17

Sense Key Specific

18-n

Product Unique Sense Data

This manual is related to the following products: