9

Processors and Components: Monitoring and Recovery

When to Use This Section on page 9-1

Overview of the NonStop Blade Complex on page 9-2Monitoring and Maintaining Processors on page 9-4

Monitoring Processor Status Using the OSM Low-Level Link on page 9-5Monitoring Processor Status Using the OSM Service Connection on page 9-5Monitoring Processor Performance Using ViewSys on page 9-7

Identifying Processor Problems on page 9-7

Processor or System Hangs on page 9-7

Processor Halts on page 9-8

OSM Alarms and Attribute Values on page 9-8

Recovery Operations for Processors on page 9-9

Recovery Operations for a Processor Halt on page 9-9

Halting One or More Processors on page 9-10

Reloading a Single Processor on a Running Server on page 9-10Recovery Operations for a System Hang on page 9-14Enabling/Disabling Processor and System Freeze on page 9-15Freezing the System and Freeze-Enabled Processors on page 9-15Dumping a Processor to Disk on page 9-15

Backing Up a Processor Dump to Tape on page 9-19Replacing Processor Memory on page 9-19

Replacing the Processor Board and Processor Entity on page 9-19Submitting Information to Your Service Provider on page 9-19

Related Reading on page 9-22

When to Use This Section

Use this section to monitor processors and to perform recovery operations such as processor dumps.

HP Integrity NonStop NS-Series Operations Guide529869-005

9-1

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HP NonStop NS manual Processors and Components Monitoring and Recovery, When to Use This Section