IBM TotalStorage DS4300 Installation, User's, And Maintenance Manual page 128

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IBM TotalStorage DS4300 Fibre Channel Storage Subsystem: Installation, User's, and Maintenance Guide
Table 14. DS4300 RAID controller LEDs (continued)
Icon LED
Cache
active
Battery
+
Expansion
port bypass
Expansion
Loop Link
No icon 2 Gbps
No icon 10BT
No icon 100BT
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Always use the storage management software to identify the failure.
Color Operating states
Green
v On - There is data in the RAID
controller cache.
v Off - One of the following situations has
occurred:
– There is no data in the cache.
– There are no cache options enabled
for this DS4300 subsystem.
– The cache memory failed, or the
battery failed.
Green
v On - Normal operation
v Flashing - The battery is recharging or
performing a self-test.
v Off - The battery or battery charger
failed.
Amber
v Off - Normal operation
v On - One of the following situations has
occurred:
– An SFP module is inserted in the
drive loop port and the fibre channel
cable is not attached to it.
– The fibre channel cable is not
attached to an expansion unit.
– The attached expansion unit is not
turned on.
– An SFP failed, a fibre channel cable
failed, or an SFP failed on the
attached expansion unit.
Note: There is no Expansion port bypass
LED on the DS4300 model 6LU and 6LX
storage subsystem.
Green
v On - Normal operation
v Off - The RAID controller circuitry failed,
or the RAID controller has no power.
Green
v On - Normal operation (host connection
is at 2 Gbps)
v Off - Host connection is at 1 Gbps
(which is not supported for controller
firmware 05.33.xx.xx).
Green
v If the Ethernet connection is
10BASE-T: The 10BT LED is on; the
100BT LED flashes faintly.
v If the Ethernet connection is
100BASE-T: The 10BT LED is off; the
100BT LED is on.
v If there is no Ethernet connection:
Both LEDs are off.
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