IBM manual 30IBM RS/6000 7025 F50 Series Users Guide

3. 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 will take effect immediately after setting the parameters from the Service Processor 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.

4-30IBM RS/6000 7025 F50 Series User's Guide