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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, dis-
playing the operating system surveillance failure code on the operator panel. If
Call-out is enabled, the Service Processor calls to report the failure.
Call Out (Call-Home)
The Service Processor can call out (Call-Home) when it detects one of the following
conditions:
System firmware surveillance failure
Operating system surveillance failure (if supported by Operating System)
Critical environmental failures
Restarts
To enable the call out feature, you need to do the following:
Have a modem connected to serial port 1 or 2
Set up the following using the Service Processor Menus or Diagnostic Service
Aids:
– Enable call out for the serial port where the modem is connected
– Set up serial port line speed
– Enter the modem configuration filename
– Set up site specific parameters (i.e. phone numbers for call out,
call out policy, etc).
To call out before restart, set “Call-Out before restart” to ENABLED from the
Reboot/Restart Policy Setup menu.
Note: Some modems, such as IBM 7857-017, are not designed for the paging
function. Although they can be used for paging, they will return an error
message when they do not get the expected response from another modem.
Therefore, even though the paging was successful, the error message will
cause the Service Processor to retry, continuing to place pager calls for the
number of retries specified in the Call-Out policy Setup Menu. These retries
result in redundant pages.
Chapter 3. Service Processor Menus 3-29