Enabling the Hardware Watchdog Mechanism and Its Options
For background information about the hardware watchdog mechanism and related externally initiated reset (XIR) functionality, refer to the Netra 440 Server Product Overview
▼To Enable the Hardware Watchdog Mechanism
1.Edit the /etc/system file to include the following entry:
set watchdog_enable = 1
2.Bring the system to the ok prompt by typing the following:
#init 0
3.Reboot the system so that the changes can take effect.
To have the hardware watchdog mechanism automatically reboot the system in case of system hangs:
●At the ok prompt, type the following:
ok setenv
To generate automated crash dumps in case of system hangs:
●At the ok prompt, type the following:
ok setenv
The sync option leaves you at the ok prompt in order to debug the system. For more information about OpenBoot configuration variables, see Appendix A.
Chapter 2 Managing RAS Features and System Firmware 49
