This section describes the panel LEDs for Arrow appliance platforms running Qumulo Core.

This section describes the front and rear panel LED indicators for Arrow appliance platforms running Qumulo Core.

LED Color Codes

Arrow platforms use the following standard LED color codes:

LED Color Status Meaning
Green (solid) Normal System operating normally
Green (blinking) Activity Disk/network activity
Amber/Yellow Warning Attention required
Red Critical Failure or critical error
Off Inactive Component powered off or not present

Front Panel LEDs

LED Color Description
Power Green System power status
System Health Green/Amber System health indicator
Network Activity Green Network traffic indicator
Drive Activity Green Drive I/O activity
UID Blue Unit identification (for locating server in rack)

Drive LEDs

Each drive bay has activity and status LEDs:

LED Color Description
Activity Green (blinking) Drive I/O activity
Status Green (solid) Drive healthy
Status Amber Drive warning or predictive failure
Status Off Drive not present or powered off

Using the UID LED

The Unit Identification (UID) LED helps locate a specific server in a rack:

  1. Activate the UID LED through IPMI web interface, IPMI command line, or front panel button.
  2. The blue UID LED illuminates on both front and rear panels.
  3. Locate the server with the illuminated blue LED.
  4. Deactivate the UID LED after identification.