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NSS LEDs
System LED
NSS3000 Series Network Storage System Getting Started Guide 26
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You can also use the Power button LED to perform a graceful shutdown or hard
shutdown of the NSS:
• To perform a graceful shutdown: Press the Power button and hold for
about 1 to 2 seconds to trigger a graceful shutdown of the NSS.
• To p er fo rm a hard shutdown : Press the Power button and hold for about
eight seconds. Choose this option only if the NSS is not responding to a
graceful shutdown.
System LED
The System (SYS) LED indicates that a system error has occurred on the NSS.
These are the LED colors and their meanings:
• Solid Yellow: Indicates one of these error conditions. You can view the error
through the NSS configuration interface.
- 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: Indicates a critical system failure. The system could not boot due
to a corrupted firmware image.
• Off: There are no system-related problems.