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5-4
Drive Bay Installation/Removal
Accessing the Drive Bays
SAS Drives: You do not need to access the inside of the chassis or remove power
to replace or swap SAS drives. Proceed to the section below for instructions. You
must use standard 3.5" drives in the system.
Hard Drive Midplane
The hard drives plug into a midplane that provides power to the drives and the
controller nodes. It also provides bus termination and node-to-node communication
paths. The midplane is already preconfigured, so no jumper or switch configura-
tions are required.
SAS Drive Installation
These drives are mounted in drive carriers to simplify their installation and removal
from the chassis. The carriers also help promote proper airflow for the drives. For
this reason, even empty carriers without hard drives installed must remain in the
chassis.
Removing an HDD Carrier from the Chassis (Figure 5-4)
1. Press the release button on the drive tray. This extends the drive tray handle.
2. Use the handle to pull the drive out of the chassis.
Installing a SAS Hard Drive (Figures 5-5 and 5-6)
1. Remove the screws securing the dummy drive to the drive carrier.
2. Remove the dummy drive. Place the carrier on a flat surface.
3. Slide the hard drive into the carrier with the printed circuit board side down.
4. Carefully align the mounting holes in both the drive tray and the hard drive.
5. Secure the hard drive to the tray using the screws provided.
6. Insert the drive carrier into the chassis. Make sure to close the carrier handle
to lock the carrier into place.
Chapter 5: Advanced Chassis Setup
5-5
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