OpenVMS System Management Guide, 2nd Edition

Chapter 8: Queue Management

8.1 Chapter Objectives

  • Present methods for configuring and naming print and batch queues

  • Focus on the centralized queue manager

  • Provide guidelines for configuring queues and the queue manager to ensure proper fail-over

  • Discuss procedures for defining forms and device control libraries

8.2 Introduction

Many changes have been made to the queue-management subsystem over the last several years, and it can be difficult to remember what features are available in each OpenVMS version. To clarify this, table 8.1 summarizes queue-management changes that have occurred between VMS/VAX 5.4 and OpenVMS 6.0.

Table 8.1: Summary of Queue-Management Changes

Feature

VMS/VAX A5.5, OpenVMS Alpha v1.0, pre-VAX/VMS v5.5

OpenVMS v5.5, OpenVMS/Alpha v1.5

OpenVMS/VAX v6.0 and later, OpenVMS/Alpha v6.1 and later

Queue manager

Distributed

Centralized

Centralized

Queue manager fail-over

No

Yes

Yes

Queue autostart and fail-over

No

Yes

Yes

Multiple queue managers

No

No

Yes

The first set of queue-management changes was introduced in VAX/ VMS v5.5. At the same time, Digital provided a vA5.5 that was equivalent to v5.5, less the queue-management changes. This was to provide a smoother migration path for sites that needed v5.5 functionality, but required additional time to make changes to queue configurations. In terms of queue management, VMS/VAX v5.4 and earlier and A5.5 are identical. Since this changeover is more than 10 years old, version-specific features are not discussed further in this chapter. Only post-v6 features are described.

8.3 Queue Types

The OpenVMS queue-management subsystem allows printers and computer resources to be shared using two types of queues.

8.3.1 Print...

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