HPE D6020 Maintenance And Service Manual page 39

Table 6 Hard drive LED combination interpretations (continued)
Online/activity LED (green)
Off
Off
Fault/UID LED (amber/blue)
Amber, flashing regularly (1 Hz)
Off
Interpretation
A predictive failure alert has been received for this
drive. Replace the drive as soon as possible.
The drive is offline, a spare, or not configured as part
of an array.
Understanding hard drive LED combinations 39