User Guide

Drobo 5C Getting Started Guide 35
3.8 Guide to meaning of indicator lights (LEDs)
Your Drobo 5C provides a variety of status information via its indicator lights, as described in the
table below.
3.8.1 Indicator light messages
Light
Color
Meaning
Drive Bay
Status
Indicator
Green (solid)
Drive is healthy. No action required.
Yellow (solid)
Add a drive or replace the current drive with a larger drive
soon. Your Drobo is running out of disk space. See Adding
disk capacity.
Yellow-Green
(alternating)
Do not remove these drives or power down. Your Drobo is
working to protect your data.
Red (Solid)
Add a drive or replace the current drive with a larger drive
immediately. Your Drobo is critically low on space. See
Adding disk capacity.
Red (blinking)
Replace this drive immediately. This drive has failed. See
Adding disk capacity.
Power
Green (solid)
The power is on and your Drobo is ready.
Yellow (solid)
Your Drobo is in the process of powering on.
Red (solid)
Your Drobo has overheated. Safely power down your Drobo,
disconnect the data cable and then the power cable. Let it
cool down and then restart.
Activity
Capacity
Gauge
Green (blinking)
Data is actively being transferred between your computer
and your Drobo.
Blue (on/off)
Shows the percentage of your Drobo that is full in 10
percent increments. For example: if your Drobo is 30 percent
full, three blue lights are on.