StorageTek 6 Diagnostic Techniques, SCP Task/Job Data Relationships, Subsystem Data Relationships

SCP Task/Job Data Relationships

Refer to Figure 26 on page 403 for a description of these relationships.

Subsystem Data Relationships

Refer to Figure 27 on page 404 for a description of these relationships.

Diagnostic Techniques

The user must be logged on the ACS virtual console.

1.Loops:

a. Disabled loops:

1.Press PA1. Enter:

SET RUN OFF

2. Press PA1. Enter:

VMDUMP 0.END FORMAT SLK * comments

The PSW will be within the loop.

b.Enabled loops:

These will be detected by the dispatcher. The logging task will be ‘‘DEFERRED’’ and TTEs for CPU timer interrupts will be produced. SLUETRAC will indicate the name of the ‘‘DEFERRED’’ task.

When viewing a dump, RQBLOKs which have ‘‘100S’’ in the RQLIC field and ‘‘E’’ in the RQITYPE field, may be looping.

2.Waits:

a.Disabled Waits:

Probably during CMS processing.

1. Press PA1. Enter:

SET RUN OFF

402VM/HSC 6.0 System Programmer’s Guide

1st ed., 6/30/04 - 312579601