Before you begin, What to do – Sun Microsystems Sun Fire V490 User Manual
Page 184
156
Sun Fire V490 Server Administration Guide • August 2004
How to Enable the Watchdog
Mechanism and Its Options
Before You Begin
For background information about the hardware watchdog mechanism and related
externally initiated reset (XIR) functionality, see:
■
“Hardware Watchdog Mechanism and XIR” on page 23
What to Do
1. Edit the /etc/system file to include the following entry.
2. Choose the desired system recovery behavior.
The hardware watchdog mechanism can automatically reboot the system in case the
system hangs. This can be done with or without first generating an automated crash
dump file. As superuser, do one of the following:
■
To reboot without generating an automated crash dump file, type:
■
To reboot and generate an automated crash dump file, type:
■
To have the system not automatically reboot, but rather wait at the OpenBoot
prompt for manual intervention and recovery, type:
set watchdog_enable = 1
# eeprom error-reset-recovery=boot
# eeprom error-reset-recovery=sync
# eeprom error-reset-recovery=none