Chapter 2 Managing RAS Features and System Firmware 49
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 (817-3881-xx).
▼ To Enable the Hardware Watchdog Mechanism
1. Edit the /etc/system file to include the following entry:
2. Bring the system to the ok prompt by typing the following:
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:
To generate automated crash dumps in case of system hangs:
● At the ok prompt, type the following:
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.
set watchdog_enable = 1
# init 0
ok setenv error-reset-recovery boot
ok setenv error-reset-recovery none
