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194 RS/6000 43P 7043 Models 150 and 260 Handbook
Provides the SP with a means to detect hang conditions, hardware or
software failures while the operating system is running. It also provides
the operating system with a means to detect the SP failure by the lack of a
return heartbeat. Operating system surveillance is enabled by default.
This allows you to run operating systems that do not support this Service
Processor option. Operating system surveillance can be enabled and
disabled through:
• Service Processor Menus
• Service Processor Service Aids
Three parameters must be set for operating system surveillance:
• Surveillance enable/disable
• Surveillance interval
This is the maximum time in minutes the Service Processor should wait
for a heartbeat from the operating system before timeout.
• Surveillance delay
This is the length of time in minutes for the Service Processor to wait
from when the operating system is started to when the first heartbeat is
expected.
Surveillance takes effect immediately after setting the parameters from the
SP menus. If operating system surveillance is enabled (and system
firmware has passed control to the operating system), and the Service
Processor does not detect any heartbeats from the operating system, the
Service Processor assumes the system is hung. The machine is left
powered on and the Service Processor enters standby phase, displaying
the operating system surveillance failure code on the operator panel. If
Call-out is enabled, the Service Processor calls to report the failure.
7.5.1.6 Reset Service Processor
Allows you to reinitialize the Service Processor.
7.5.1.7 Reprogram Service Processor Flash EPROM
This is an automatic process. An update diskette can be acquired from the
RS/6000 Support page on the Internet or from your service team. The
Internet address is:
http://www.rs6000.ibm.com/support/micro
For more information how to update the SP firmware refer to the README file
that comes with the firmware update and 7.7, “Service Processor Firmware
Update” on page 210.