IBM Netfinity EXP300, Hardware Maintenance Manual

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Netfinity EXP300 Type 3531
21
4. Check the drive LEDs.
a. When a drive is ready for use, the green activity LED and the amber fault
LED are off.
b. If the amber fault LED is on, remove the drive from the unit and wait 10
seconds; then, reinstall the drive.
Working with hot-swap power
The power supplies are customer replaceable units (CRUs) and do not require
preventive maintenance.
• The power supplies must always be installed in the proper place to maintain
proper expansion unit cooling.
• Use only the supported power supplies for your specific expansion unit.
Removing a hot-swap power supply/fan unit
Complete the following steps to remove a hot-swap power supply:
1. Turn off the power supply.
2. Unplug the power supply cord from the electrical outlet.
3. Disconnect the power cord from the power supply.
4. Loosen the power supply thumbscrews
Þ
1
Ý
.
5. Grasp the handles Þ
2
Ý on each side of the power supply, and pull the unit out of
the expansion unit.
ServeRAID information
In some cases, the ServeRAID controller will automatically reset the drive to the
Hot Spare or Rebuild state. If the drive state change does not occur automatically
(amber LED stays lit), refer to your ServeRAID documentation for information
about manually changing the state of the drive from the current state to another
state, such as Hot Spare or Ready. The amber LED should turn off within 10
seconds after the drive-state change.
Before you begin
• Read the safety and handling guidelines provided in “Safety information” on
page 41 and "Handling electrostatic discharge-sensitive devices."