IBM DS4800 User Manual

Table 39. DS4800 Symptom-to-FRU index (continued)
Problem
indicator Component Possible cause Possible solutions
Amber LED is on
and blue LED is
on, and Overall
DS4800 Storage
Subsystem
Needs Attention
LED is on
Power supply-fan
v Amber Needs
Attention LED
on.
v Blue Service
Action Allowed
LED on.
Power supply-fan failure or
power supply failure
Use DS4000 Storage Manager client software to
verify the failure and replace the power supply
and fan unit.
RAID controller
v Amber
Controller
Needs
Attention LED
is on.
v Blue
Controller
Service Action
Allowed LED
is on.
RAID controller offline If you have placed the controller offline, use the
DS4000 Storage Manager client software to place
it online.
If one controller has been placed offline by the
other controller, contact IBM support. (This is the
case if you use the DS4000 Storage Manager
client software to make repeated attempts to bring
an offline controller online, but the controller keeps
reverting back to an offline state.)
RAID controller failure If the RAID controller Needs Attention LED is on
and the Service Action Allowed LED for that RAID
controller is lit, replace the RAID controller.
If the Service Action Allowed LED for the RAID
controller is not lit, perform additional diagnostics
to identify other component failures. Replace the
other failed components before replacing the
RAID controller.
Interconnect-
battery unit
v Amber Needs
Attention LED
is on.
v Blue Service
Action Allowed
LED is on.
Interconnect-battery unit
failure
Contact IBM Support.
Chapter 6. Hardware maintenance 171

IBM DS4800 Specifications

General

Brand	IBM
Model	DS4800
Category	Storage
Language	English