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Qumulo K-Series LED Guide

IN THIS ARTICLE 

Outlines the LED locations and status indicators for Qumulo K-series 1U servers

REQUIREMENTS

  • Qumulo K-series 144T or 168T hardware

DETAILS

Qumulo K-series 1U servers 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 K-series 1U servers can be located using the diagram below:

c-leds.png

c_leds_zoom.png

(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

c_rear_leds.png

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

SSDLED.png

  • Solid Blue: Drive present
  • Blinking Blue: Drive locate function
  • Alternating Amber and Blue: Drive Failure
  • Off: Empty slot

Drawer HDD LED

drawer_leds.png

  • Solid Blue: Drive present
  • Blinking Blue: Drive locate function
  • Alternating Amber and Blue: Drive Failure
  • Off: Empty slot

Rear SSD LED

rear_ssd_led.png

  • Blue Blinking: SSD active
  • Off: Slot empty or SSD unactive

RESOLUTION

You should now be able to successfully utilize the built in LED indicators to diagnose hardware issues with Qumulo K-series 1U nodes

ADDITIONAL RESOURCES

Quick Start Guide: Qumulo K-Series

QQ CLI: Comprehensive List of Commands

 

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