NonStop S-Series Operations Guide (G06.24+)

Contents

HP NonStop S-Series Operations Guide—522459-007

vii

15. Power Failures: Preparation and Recovery

When to Use This Section 15-1

How an Enclosure Responds to Power Failures 15-1

How External Devices Respond to Power Failures 15-2

With an Uninterruptible Power Supply (UPS) 15-2

Without an Uninterruptible Power Supply (UPS) 15-2

Preparing for Power Failure 15-3

Monitoring Power Supplies 15-3

Maintaining Batteries 15-3

Recharging Spare Batteries 15-3

Monitoring Batteries 15-3

Causes of Drained Batteries 15-3

Recharging Drained Batteries 15-4

Power Failure Recovery Operations 15-4

Procedure to Recover From a Power Failure 15-4

Setting System Time 15-5

Related Reading 15-5

16. Starting and Stopping the System

When to Use This Section 16-2

Minimizing the Frequency of Planned Outages 16-2

Anticipating and Planning for Change 16-2

Performing a Change Online 16-3

Powering On the System 16-3

Before Powering On the System 16-3

System Power-On Procedure 16-4

Troubleshooting and Recovery Operations When Powering On the System 16-4

Starting the System 16-6

The System Startup Dialog Box 16-6

The Load Processor-n From Disk Dialog Box 16-9

Troubleshooting and Recovery Operations When Starting the System 16-12

Getting a Corrupt System Configuration File Analyzed 16-17

Starting Other System Components 16-17

Stopping the System 16-18

Alerts 16-19

Preparing to Stop the System 16-19

Procedure to Stop the System Using OSM or TSM 16-21