Bring-up phase, Runtime phase – IBM 6C4 User Manual
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Bring-Up Phase
The bring-up phase components are as follows:
v
Retry Request Check
The service processor checks to see if the previous boot attempt failed. If the
specified number of failures are detected, the service processor displays an error
code and places an outgoing call to notify an external party if the user has enabled
this option.
v
Dial Out
The service processor can dial a preprogrammed telephone number in the event of
an IPL failure. The service processor issues an error report with the last reported IPL
status indicated and any other available error information.
v
Update Operator Panel
The service processor displays operator panel data on the HMC virtual terminal
window if a remote connection is active.
v
Environmental Monitoring
The service processor provides expanded error recording and reporting.
v
System Firmware Surveillance (Heartbeat Monitoring)
The service processor monitors and times the interval between system firmware
heartbeats.
v
Responding to System Processor Commands
The service processor responds to any command issued by the system processor.
Runtime Phase
This phase includes the tasks that the service processor performs during steady-state
execution of the operating system.
v
Environmental Monitoring
The service processor monitors voltages, temperatures, and fan speeds (on some
servers).
v
Responding to System Processor Commands
The service processor responds to any command issued by the system processor.
v
Run-Time Surveillance
If the device driver is installed and surveillance enabled, the service processor
monitors the system heartbeat. If the heartbeat times out, the service processor
places an outgoing call. This is different from the bring-up phase scenario, where the
specified number of reboot attempts are made before placing an outgoing call.
v
HMC surveillance
On an HMC-managed system, the service processor monitors the communication link
between the managed system and the HMC. If the service processor detects that this
communication link has been broken, it will post an error to the operating system
running on the managed system.
Chapter 3. Using the Service Processor
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