Last Restart Reason; Hardware Watchdog Timer; Show Hardware Commands - Dell Force10 Z9000 Configuration Manual

Last restart reason

If a Z9000 system restarted for some reason (automatically or manually), the
output includes the reason for the restart. The following table shows the reasons displayed in the output
and their corresponding causes.
Table 12-1. Line card restart causes and reasons
Causes
Remote power cycle of the chassis
reload
reboot after a crash

Hardware watchdog timer

The
hardware watchdog
unresponsive. This is a last resort mechanism intended to prevent a manual power cycle.
Command
hardware watchdog

show hardware commands

Note: The show hardware command tree is supported on the S4810 and Z9000.
The
show hardware
These commands display information from a hardware sub-component and from hardware-based feature
tables. 0
Table 12-2
Note: The show hardware commands should only be used under the guidance of the Dell Force10
Technical Assistance Center.
| Z-Series Debugging and Diagnostics
294
command automatically reboots an FTOS switch/router when a unit is
command tree consists of EXEC Privilege commands used with the Z9000 system.
lists the
show hardware
Displayed Reasons
push button reset
soft reset
soft reset
Description
Enable the hardware watchdog mechanism.
commands available as of the latest FTOS version on the Z9000.
show system command