Administrator's Guide

3. Extend the hard drive drawer (3).
5. Label the hard drives.
NOTE: Use the drive labels provided with the replacement drive drawer when removing the
drives to ensure you replace the drives in the correct order.
6. Remove all hard drives.
IMPORTANT: You must install the hard drives into the same slots from which they were
removed, or the system might fail.
7. Push the drive drawer back into the messaging system enclosure.
8. Label each server blade, and the remove both server blades.
9. Label the cables, and then unplug all cables from the back of the messaging system enclosure.
10. Unscrew the retaining screws from the bezel ears, and then remove the enclosure from the
rack.
WARNING! The messaging system enclosure is heavy, even after removing the hard drives.
Always use at least two people to remove the messaging system from the rack.
11. Remove the top back panel by pressing the panel release button and lifting the latch to slide
the top back panel off.
12. Lift up on the drive fan release mechanism and remove the fan.
13. Push up on the SAS I/O module release button.
14. Push down on the SAS I/O module lever (1), and then remove the SAS I/O module (2).
Removing and replacing a drive drawer 119