Boot-Time Led Diagnostics; Run Time Led Diagnostics - HP P4522A - Traffic Management Server Sa8220 User Manual

A P P E N D I X E

Boot-time LED Diagnostics

The front panel's Status, Act 1 and Act 2 LEDs display the transition
through a sequence of codes at boot time indicating the SA8220's
progress through the boot process. If the boot process aborts,
terminates, or hangs before the SA8220 is online and functional, the
state of the LEDs can help in diagnosing the problem. The table
below describes the restart sequence and conditions.
Status Act 1
Off Off
On Off
Off On
On On
Off Off
On Off
Off On
On On
After restart completes, the Status LED begins to blink and LED
activity begins as described in the next section, "Run time LED
Diagnostics."

Run time LED Diagnostics

At run time, the LEDs provide information about unit activity as
described below:
Status LED
• Blinks on and off quickly when serving as the active or
standalone SA8220.
• Blinks on and off slowly when configured for serial cable
failover and serving as the backup SA8220.
• Continuous on or off indicates a unit that has stopped responding
(hung).
Act 2 Condition
Off BIOS boot failed
Off OS boot process failed
Off OS boot stage 1 failed
Off OS boot stage 2 failed
On OS boot stage 3 failed
On
Application never started up
On
Application restart stage 1 failed
On
Application restart stage 2 failed
Running Diagnostics
301