15

Starting and Stopping the System

When to Use This Section on page 15-2

Powering On a System on page 15-2

Powering On the System From a Low Power State on page 15-3

Powering On the System From a No Power State on page 15-3

Starting a System on page 15-5

Loading the System on page 15-5

Starting Other System Components on page 15-9

Performing a System Load on page 15-9

Performing a System Load From a Specific Processor on page 15-11Reloading Processors on page 15-12

Minimizing the Frequency of Planned Outages on page 15-14

Anticipating and Planning for Change on page 15-14

Stopping Application, Devices, and Processes on page 15-14

Stopping the System on page 15-16

Alerts on page 15-16

Halting All Processors Using OSM on page 15-16

Powering Off a System on page 15-17

System Power-Off Using OSM on page 15-17

System Power-Off Using SCF on page 15-17

Emergency Power-Off Procedure on page 15-18

Troubleshooting and Recovery Operations on page 15-18

Fans Are Not Turning on page 15-18

System Does Not Appear to Be Powered On on page 15-19

Green LED Is Not Lit After POSTs Finish on page 15-19

Amber LED on a Component Remains Lit After the POST Finishes on page 15-19Components Fail When Testing the Power on page 15-19

Recovering From a System Load Failure on page 15-20

Getting a Corrupt System Configuration File Analyzed on page 15-21

HP Integrity NonStop NS-Series Operations Guide529869-005

15-1

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HP NonStop NS manual Starting and Stopping the System, Alerts on