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Chapter 5: Subsystem Maintenance and Upgrading
Step 4. Install the replacement module by aligning it with the module bay
on the PSU module and gently lowering it into. The fan outlet
should be aligned with the PSU faceplate and that the side with
screw holes should be facing up.
Do this with a precisely vertical motion so that the cooling
module’s connector can correctly mate with the connector in the
module bay.
Step 5. Secure the module by fastening the screws you previously
removed.
Step 6. Reinstall the PSU module into chassis. When powered on, check
if the cooling fan LEDs are lit. If not, that means your cooling fans
are operating properly.
5.7. Replacing a Failed Hard Drive
5.7.1 Hard Drive Maintenance Overview
• Hot-swappable drive trays: The drive trays are all hot-swappable. A disk drive
failure can be corrected online.
• Handles: If the failed hard drive is behind either the left or right front handle,
unfold the handles to open the front access to the drive trays.
Figure 5--14: Open the Front Handles
Step 1. Open flap: Once the front flap on the drive tray has been opened, the
drive tray must be removed from the subsystem. Failure to remove
the drive tray from the subsystem after the front flap has been
opened may cause data errors.
Step 2. Slowly remove a faulty drive: When removing a drive tray from the
subsystem,
pull the drive tray out only about one inch and
Replacing a Failed Hard Drive 5-19