IBM totalstorage fastt100, Installation, User And Maintenance Manual, Page: 94 / 160

Table 10. Storage server LEDs (front) (continued)
LED Color Operating states
1
Power Green
v
On - Normal operation.
v Off - One of the following situations has occurred:
– The storage server has no power.
– Both power supplies have failed.
– There is an over-temperature condition.
General system
error
Amber
v
Off - Normal operation.
v
On - A storage server component has failed
2
.
1
Always use the Storage Manager client to identify the failure.
2
Not all component failures turn on this LED. For more information, see “Monitoring status
through software” on page 62.
Table 11. RAID controller LEDs
Icon LED Color Operating states
1
Fault Amber
v Off - Normal operation.
v On - One of the following situations has
occurred:
– The RAID controller has failed.
– The RAID controller was placed offline
– The controller battery had failed (in
conjunction with the battery LED in off
state).
Host loop Green
v
On - Normal operation.
v
Off - One of the following situations has
occurred:
– The host loop is down, not turned on,
or not connected.
– A SFP has failed, or the host port is not
occupied.
– The RAID controller circuitry has failed,
or the RAID controller has no power.
Controller
fault
Expansion
by-pass
Expansion
10BT
2Gb/s 2Gb/s
10101
100BT
Battery
charging
Expansion link indicator
Cache
active
10BT 100BT
Host 1
Host 1
indicator
Host 2
indicator
Host 2
+
2Gbps
f10ug025
Figure 51. RAID controller LEDs
64
IBM TotalStorage FAStT100 Storage Server: Installation, User’s, and Maintenance Guide