Technical data

ix
Compaq HSZ80 Array Controller ACS Version 8.3 Maintenance and Service Guide
Instance Codes and Last-Failure Codes . . . . . . . . . . . . . . . . . . . . . . . . . 4–40
Controlling the Display of Significant Events and Failures . . . . . . . . . . 4–40
Using VTDPY to Check for Communication Problems . . . . . . . . . . . . . . . . 4–43
Checking Controller-to-Host Communications . . . . . . . . . . . . . . . . . . 4–45
Checking Controller-to-Device Communications . . . . . . . . . . . . . . . . . 4–47
Checking Device Type and Location . . . . . . . . . . . . . . . . . . . . . . . . 4–48
Checking Device Status and I/O Activity . . . . . . . . . . . . . . . . . . . . 4–48
Checking Device-Port Status and I/O Activity . . . . . . . . . . . . . . . . 4–50
Checking Unit Status and I/O Activity . . . . . . . . . . . . . . . . . . . . . . . . . . 4–51
Disk Inline Exerciser (DILX). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–55
Checking for Disk-Drive Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–55
Finding a Disk Drive in the Subsystem . . . . . . . . . . . . . . . . . . . . . . 4–55
Testing the Read Capability of a Disk Drive . . . . . . . . . . . . . . . . . . 4–56
Testing the Read and Write Capabilities of a Disk Drive . . . . . . . . 4–57
DILX Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–60
Configuration Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–60
Code Load and Code Patch Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–62
Clone Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–63
Field Replacement Utility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–63
Change Volume Serial Number Utility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–64
Device Statistics Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–64
Chapter 5
Event Reporting: Templates and Codes
Passthrough Device Reset Event Sense Data Response . . . . . . . . . . . . . . . . . . . . . 5–2
Last Failure Event Sense Data Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–3
Multiple-Bus Failover Event Sense Data Response . . . . . . . . . . . . . . . . . . . . . 5–5
Failover Event Sense Data Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–7
Nonvolatile Parameter Memory Component Event Sense Data Response . . . 5–9