Archived - Xserve: Status Light Overview

This document provides an overview of the Xserve status lights, what the lights indicate, and what action is appropriate.
This article has been archived and is no longer updated by Apple.
The Xserve's status lights are shown in the figure and table below.

Figure 1 Location of Xserve status lights.

Indicator Color Description
Power White On and OK
Security Lock Yellow Lock is engaged
System Identifier Yellow Indicates that someone has toggled it on or that the server has a hardware issue; check the server monitor application for more information.
Ethernet
(lower LED is built-in;
Upper LED is network card)
Green Link
  No light No connection
System Activity Blue Two rows of eight LEDs: on servers with one processor, rows of lights work in tandem; on dual-processor servers, rows operate independently of each other.
Drive module
(Upper LED)
Green Powered and running
  Yellow Warning condition; check the server monitor application for more information.
  Red Urgent issue or failure; check the server monitor application for more information.
Drive module
(Lower LED)
No light Drive can be removed
  Flashing blue Disk activity; do not remove drive

Last Modified: Feb 19, 2012
  • Last Modified: Feb 19, 2012
  • Article: TA27369
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