NQE Administration

Table of Contents

New Features

Preface

Related Publications

Ordering Cray Research Publications

Conventions

Reader Comments

1. NQE Overview

Scope of This Manual

NQE Environment

Running NQE As an Environment

NQE File Structure

Using the World Wide Web Interface

2. Concepts and Terms

Batch Requests

Request States

Queues

Request Processing

Queue Attributes

Queue States

Queue Complexes

Global Limits

Load Balancing and Destination Selection

File Transfer

3. Configuring NQE variables

Starting the NQE Configuration Utility

Editing the NQE Configuration Variables

NQE Configuration Display Menus

4. Starting and Stopping NQE

Starting NQE

Stopping NQE

5. NQS Configuration

Configuration Guidelines

Overview of NQS Manager Actions

Defining NQS Hosts in the Network

Defining Managers and Operators

Configuring the Scope of the User Status Display

Defining NQS Queues

Defining a Default Queue

Restricting User Access to Queues

Defining Queue Complexes

Defining Global Limits

Defining Per-request and Per-process Limits

Defining Job Scheduling Parameters

Defining Political Scheduling Daemon Threshold

Unified Resource Manager (URM) for UNICOS Systems

Miser Scheduler for IRIX Systems

NQS Periodic Checkpointing

Setting the Log File

Setting the Debug Level

Establishing NQS Accounting Procedures

Setting the Validation Strategy for Remote Access

Defining Other System Parameters

Using a Script File As Input to the qmgr Utility

Output Validation

NQS and Multilevel Security on UNICOS and UNICOS/mk Systems

NQS Local Changes for UNICOS and UNICOS/mk Systems

6. Operating NQS

Overview of Operator Actions

Starting NQS

NQS Shutdown and Restart

Monitoring NQS

Controlling the Availability of NQS Queues

Manipulating Requests

Recovering Jobs Terminated Because of Hardware Problems

7. NLB Administration

NLB Overview

Overview of NLB Configuration

Editing the NLB Configuration File

Configuring ACLs for the NLB

Starting the NLB Server

Specifying the NLB Server Location

Creating Redundant NLB Servers

Starting NLB Collectors

Managing the NLB Server

8. Implementing NLB Policies

Defining Load-balancing Policies

The policies File

Example of How Policies Are Applied

Testing Policies

File Formats

Implementing NQS Destination-selection Policies

Using Batch Request Limits in Policies

Storing Arbitrary Information in the NLB Database (Extensible Collector)

NLB Differences on UNICOS/mk

9. NQE Database

NQE Database Model

NLB Scheduling Versus NQEDB Scheduling

Overview of the NQE Database

NQE Database Components

NQE Database Concepts and Terms

Starting the NQE Database

Stopping the NQE Database

Obtaining Status

Security

Compacting the NQE Database

Configuring the Database Components

10. Writing an NQE Scheduler

The Scheduler System Task

Writing a Simple Scheduler

Attribute Names and nqeinfo File Variable Names

Tcl Built-in Functions

11. Using csuspend

csuspend Options

csuspend Functionality

csuspend Examples

12. Job Dependency Administration

Managing the NLB Database for Job Dependency

Multiple NLB Servers and Job Dependency

13. FTA Administration

FTA Overview

Configuration

Administration

14. Configuring DCE/DFS

Enabling DCE Support for NQE

Using a Password to Submit a Task

Using a Forwardable Ticket to Submit a Task

Checkpoint and Restart Support on UNICOS Systems

Support for Renewing and Refreshing Tickets

User Requirements

Administrating Kerberos and DCE

15. Configuring ilb

ilbrc File

$HOME/.ilbrc File

User Environment Variables

16. Problem Solving

Verifying That NQE Components Are Running

Verifying That Daemons Are Running

NQS Troubleshooting

Client Troubleshooting

NLB Troubleshooting

NQE Database Troubleshooting

Network Debugging

User's Job Project Displays As 0

Reinstalling the Software

Calling Customer Service

A. Man Page List

User Man Pages

Application Interfaces Man Pages

File Formats Man Pages for UNICOS Systems

Product Support Man Page

Administrator-level Man Pages

B. NQE Sample Configurations

NQE Servers and Clients

NQE Cluster Configuration

NQS Queue Configuration

NQE Database and Scheduler Structure

C. config.h/nqeinfo File Variables