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System LED (Front Panel)
NSS2000 Getting Started Guide 24
A
The Power button lets you do a graceful or hard shutdown of the NSS:
• Graceful Shutdown: Press the Power button for 1 to 2 seconds to trigger a
graceful shutdown of the NSS.
• Hard Shutdown: Press the Power button and hold for about eight seconds.
You would choose this option only if the NSS is not responding to a graceful
shutdown.
System LED (Front Panel)
The System LED can be in any of the following conditions, depending on the
current type of system error on the NSS:
• Solid Yellow: The administrator needs to look into the exact error condition
through the configuration interface as one of the following has occurred:
- A volume is more than 90% full.
- A disk drive has failed or is about to fail.
- A fan has stalled.
- The system temperature is above the maximum threshold.
- The temperature of a disk drive is above the maximum threshold.
- A voltage rail is above or below specification.
- The NSS is running on UPS due to a mains power failure.
• Solid Red: There is a critical system failure. The system could not boot due
to a corrupted firmware image. In this case, contact your support
representative.
• Off: There are no system-related problems.