Fabric OS Reference Manual

Telnet Commands 241
uptime
Display length of time the system has been operational.
Synopsis
uptime
Availability All users
Description Use this command to display the length of time the system has been in
operation (also known as “up time”), the total cumulative amount of up
time since the system was first powered-on, the date and time of the last
reboot, and the reason for the last reboot.
For up and powered-on times less than 60 seconds, the time is displayed in
seconds. For times greater than or equal to 60 seconds, the time is displayed
in minutes. The output format adjusts accordingly.
The reason for the last switch reboot is also recorded in the error log. Not
all reasons are applicable to all switch models:
Unknown Reason is unknown.
Bus time-out* Port ASIC was accessed and no response was received.
Bus error* Non-existent system address was accessed.
Panic* Firmware detected a critical hardware error or an
internal inconsistency.
Fault* CPU signaled a fault condition (critical firmware error).
Power-on Last reboot was caused by a power-on.
Watchdog* Watchdog timer caused a reset.
PushButtons Push buttons 1 and 3 were depressed for 2 seconds,
causing a system reset.
Reboot Last reboot was caused by a user (from any
management interface).