IBM TotalStorage FAStT700, User Manual

Page: 41 / 100

Table 2. 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 FAStT700 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 FAStT700
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
FAStT700 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 24 on page 24.
Chapter 2. Operating the FAStT700 Storage Server
23