HP Array Controller HSG V8.7 Software - Manual (Page 6)

vi
Chapter 4 Troubleshooting
Maintenance Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–1
Troubleshooting Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–2
Troubleshooting Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–4
Significant Event Reporting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–14
Events that cause controller termination . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–14
Events that do not cause controller operation to terminate . . . . . . . . . . . . . 4–15
Fault Management Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–17
Displaying Failure Entries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–17
Translating Event Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–18
Controlling the Display of Significant Events and Failures. . . . . . . . . . . . . 4–20
Using VTDPY to Check for Communication Problems . . . . . . . . . . . . . . . . . . . 4–23
Checking Controller-to-Host Communications . . . . . . . . . . . . . . . . . . . . 4–24
Checking Controller-to-Device Communications . . . . . . . . . . . . . . . . . . . . 4–24
Checking Unit Status and I/O Activity . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–29
Checking Fibre Channel Link Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–31
Checking for Disk-Drive Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–36
Finding a Disk Drive in the Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–36
Testing the Read Capability of a Disk Drive . . . . . . . . . . . . . . . . . . . . . . . . 4–36
Testing the Read and Write Capabilities of a Disk Drive . . . . . . . . . . . . . . 4–37
DILX Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–40
Running the Controller’s Diagnostic Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–41
Chapter 5 Replacement Procedures
Replacing Modules in a Single Controller Configuration. . . . . . . . . . . . . . . . . . . 5–2
Replacing the Controller and Cache Module in a Single Controller
Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–2
Replacing the Controller in a Single Controller Configuration . . . . . . . . . . . 5–3
Replacing the Cache Module in a Single Controller Configuration . . . . . . . 5–6
Replacing Modules in a Dual-Redundant Controller Configuration. . . . . . . . . . . 5–8
Replacing a Controller and Cache Module in a Dual-Redundant Controller
Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–9
Replacing a Controller in a Dual-Redundant Controller Configuration . . . 5–15
Replacing a Cache Module in a Dual-Redundant Controller
Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–21