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Troubleshooting & Diagnostics
Diagnostic Information
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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