Qumulo C-Series LED Guide

IN THIS ARTICLE 

Outlines the LED locations and status indicators for Qumulo C-series platforms

REQUIREMENTS

• Qumulo C-series 72T or 168T hardware

DETAILS

Qumulo C-series platforms include several LED indicators which can be used to diagnose health issues with the hardware. 

FRONT CONTROL PANEL

The LEDs on the front panel of Qumulo C-series servers can be located using the diagram below:

(1) Power Button (LED Blue): Push button to power the system on or press more than 4 sec. to shut down the system.

• LED on when node has power

(2) ID button: Press to light up / off the ID LED to identify this system

(3) ID LED (LED Blue):

• Blinking, selected unit ID
• Off, no ID requested

(4) USB 2.0 Port:  Connects to USB device

(5) Status LED (Amber):

• No LED equates to normal system status
• Blinking, DC off and critical error
• Blinking, DC on and critical error

(6) LAN 1 LED (Blue):

• On, link
• Blinking, LAN access

(7) LAN 2 LED (Blue):

• On, link
• Blinking, LAN access

(8) HDD ARRAY #LED (Amber):

• Off, HDD row # normal
• On, HDD row # fault
• Blinking, Predictive Failure Analysis (PFA) error occurs on HDD row #

PSU LEDS

Power LED (Green)

• On: Output OK or Power Supply warning
• Blinking (one second on, one second off): AC present/Only standby output on
• Blinking (.25 second on, .25 second off): Sleep status

Status LED (Amber)

• On: Power Supply Failure or AC present/Only standby outputs on

DRIVE LEDS

Each drive carrier features a 7mm Present/Fault LED that reflects the current status of the drive.

Front SSD LED

• Blue On Continuously: Drive present
• Amber On: Drive Failure
• Off: Empty Slot

Drawer HDD LED

• Blue On Continuously: Drive present
• Amber On: Drive Failure
• Off: Empty Slot

RESOLUTION

You should now be able to successfully utilize the built in LED indicators to diagnose hardware issues with Qumulo C-series platforms

ADDITIONAL RESOURCES

Quick Start Guide: Qumulo C-Series

QQ CLI: Comprehensive List of Commands

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