Chapter 3. IBM System Storage DS4000 and DS5000 hardware 47
The LEDs are:
Power LED (green):
– On: Storage subsystem is powered on.
– Off: Storage subsystem is powered off.
Locate/identify (blue):
– Off: Normal status.
– On: Storage subsystem locate.
Overall DS5000 storage subsystem configuration needs attention (amber):
– Off: Normal status.
– On: One or more failures exist either in the storage system chassis or expansion
enclosures.
RAID controller LEDs
The LEDs on the RAID controllers serve as indicators of key information (Figure 3-21).
Figure 3-21 RAID controller LEDs (controller B): FC HIC version
Figure 3-25 on page 49 labels each LED (see the descriptions of each LED number after
Figure 3-25 on page 49).
Important: The displayed order of the Overall Configuration Needs Attention and
Locate/Identify LEDs on the interconnect-battery unit are reversed when the bezel is
removed. See “Interconnect module LEDs” on page 54 for more information.
Note: This LED is shown as white (and displayed in a different order) on the
interconnect-battery unit when the DS5000 storage subsystem bezel is removed.
2 Gbit
1 Gbit
(not supported)
4 Gbit (both)
FC drive port speed
Ethernet link speed
on = 1000BASE-T
off = 100 or 10BASE-T
Ethernet link activity
off = no link
on = link established
blinking = activity
Drive port bypass
(off = normal status)
safe to remove
needs attention
fast write cache
numeric display
HIC Card
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