IBM H80 User Manual download pdf (Page 87)

attempt to migrate all resources associated with that processor to another processor

and then stop the defective processor.

Run-Time Memory Page Deconfiguration (Memory Gard)

Correctable errors in system memory are monitored and tracked. When a predefined

error threshold is met, an error log with warning severity is returned to AIX. A

memory page will be deallocated by AIX.

Service Processor System Monitoring - Surveillance

Surveillance is a function in which the service processor monitors the system, and

the system monitors the service processor. This monitoring is accomplished by

periodic samplings called

heartbeats

Surveillance is available during two phases:

 System firmware bringup (automatic)

 Operating system runtime (optional)

System Firmware Surveillance

System firmware surveillance is automatically enabled during system power-on. It

cannot be disabled by the user.

If the service processor detects no heartbeats during system IPL (for 7 minutes), it

cycles the system power to attempt a reboot. The maximum number of retries is set

from the service processor menus. If the fail condition persists, the service

processor leaves the machine powered on, logs an error, and displays menus to the

user. If Call-out is enabled, the service processor calls to report the failure and

displays the operating-system surveillance failure code on the operator panel.

Chapter 3. Using the Service Processor 71

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IBM H80 User Manual Page 87