IBM TotalStorage DS4400, Руководство пользователя

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Table 10. Storage server indicator lights
Indicator light Color
Normal
operation
Problem
indicator
Possible conditions indicated by the
problem indicator
1
Power Green On Off
v
No power to DS4400 Storage Server
v Power supply cables are loose or the
switches are off
v
Both power supplies have failed, are
missing, or are not fully seated in DS4400
Storage Server
v Overtemperature condition
Power supply
fault
Amber Off On
v One of the redundant power supplies has
failed or the power supply is turned off,
disconnected, or is not fully seated in the
DS4400 Storage Server
v Overtemperature condition
v If both power supplies have failed, are
turned off, or disconnected (all of the
indicator lights will not be lit)
Storage server
fan fault
Amber Off On
v Storage server fan has failed
v Fan and communications module is missing,
unplugged, or has failed
v Storage server fan circuitry failure
v Overtemperature condition
Controller fault Amber Off On
v RAID controller is restarting
v RAID controller has failed
v One or more controller memory modules
have failed
Fast write
cache
Green Steady or
blinking
2
Software
dependent
1
During normal operation, the indicator light is
not lit in the following conditions:
v
RAID controller cache is not enabled
v
Battery is not ready
1
Always use the storage-management software to identify the failure.
2
The fast write cache indicator light is on when
there is data in cache and blinks during a fast write operation.
RAID controller indicator lights
Each RAID controller has ten indicator lights: one power, one fault, and eight status
lights, as shown in Figure 25 on page 30.
Note: To view the RAID controller indicator lights, remove the DS4400 Storage
Server bezel, as shown in Figure 21 on page 23.
Chapter 2. Operating the DS4400 Storage Server
29