HP MSA Controllers - Manual (Page 14)

14 HP 2012i Modular Smart Array user guide • January 2013
Figure 1-1 shows the components and LEDs on the front of a controller.
Figure 1-1 Controller (Front View)
Table 1-2 describes the LEDs on the front of a controller.
Table 1-2 Controller LEDs (Front)
LED Color
Operating
State
Description
Enclosure ID Green On Shows the enclosure ID, which enables you to correlate
an enclosure with logical views presented by
management software. The enclosure ID for a controller
enclosure is zero (0); the enclosure ID for an attached
drive enclosure is nonzero.
UID
(Unit
Identification) Blue On Identified.
Off Not identified.
Fault ID Amber Off No fault condition exists.
On Fault condition exists. Service action is required. The
event has been acknowledged but the problem needs
attention.
Heartbeat
LED Green On The enclosure is powered on with at least one power and
cooling module operating normally.
Off Both power and cooling modules are off.
Drive modules are numbered by column top to bottom: 0–2, 3–5, 6–8, 9–11
Drive module LEDs (top to bottom) Enclosure ID Status LEDs (top to bottom):
UID
Fault ID
Heartbeat
Fault/UID
Online/Activity