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Figure 43. Drive status LEDs on an IBM Storage Scale System 3500 drive carrier
The following table describes the behavior of drive carrier assembly LEDs of IBM Storage Scale System
3500.
Table 21. IBM Storage Scale System 3500 LEDs behavior
LED type
Identify LED
Drive carrier (bi-color,
Green/Amber) LED
Fan module LEDs
The IBM Storage Scale System 3500 includes three LEDs with each of the six fan modules. The available
LEDs are of blue, amber, and green color. These LEDs are used to monitor fan modules.
Note: To get access to the fan, requires the removal of the fan cover screw.
On system startup, the green LED illuminates automatically until the system is initialized completely. The
following figure shows fan module LEDs.
Color
Blue
Green
Amber
OFF
Behavior
ON (Solid): The SSD has been identified (with
Green LED) or in replace state.
OFF: The SSD is not in Identify or Replace
state.
Solid: Refers drive power. There are no
detectable faults.
Flash: The drive LED flashes green for an
activity.
ON: The drive is in Failing state.
The SSD does not have any power.
Chapter 5. Monitoring the system using LEDs 57
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