Administrator's Guide

3. Extend the hard drive drawer (3).
10. Replace all hard drives.
IMPORTANT: Install the hard drives in the same slots from which you removed them or the
system might fail. Use the drive labels to ensure they are replaced in the correct order.
11. Push the drive drawer back into the messaging system enclosure.
12. Plug in all cables at the back of the messaging system enclosure to their original locations.
13. Power on the system by pressing the power button On.
14. Confirm the messaging system has resumed normal operations.
Removing and replacing the enclosure rails
This section describes how to remove and replace the enclosure rails in the messaging system.
Removing the enclosure rails
To remove the enclosure rails:
1. Power off the system:
1. Shut down blade 2 by clicking on Start and then Shut Down while you are connected to
blade 1.
2. Shut down blade 1 by clicking on Start and then Shut Down while you are connected to
blade 2.
3. Power off the expansion nodes, if present, by pressing and holding the power button at
the back.
4. Power off the storage solution by pressing and holding the power button at the back of
the enclosure.
5. Disconnect the power cables.
2. Extend the hard drive drawer:
1. Press upward on the release button on the hard drive drawer (1).
2. Pull the drawer handle down 90 degrees (2).
132 Removing and replacing hardware components