Removing the disk-drive backplane: 2145-DH8

You can remove the SAN Volume Controller 2145-DH8 disk-drive backplane, which includes the SAS backplane.

Before you begin

DANGER

Multiple power cords. The product might be equipped with multiple power cords. To remove all hazardous voltages, disconnect all power cords. (L003)

or

or

This service action assumes that the following conditions exist:

• The node is turned off. If you must turn off the node, ensure that hosts will not lose access to data in volumes, as described in MAP 5350: Powering off a node.
• The power cables are disconnected.

To remove the SAN Volume Controller 2145-DH8 disk-drive backplane, complete the following steps:

1. Read the safety information.
2. Turn off the server and peripheral devices and disconnect the power cords and all external cables, if necessary.
3. Remove the top cover.
4. Pull the hard disk drives out of the server slightly to disengage them from the hard disk drive backplane assembly/backplane.
5. To obtain more working room, remove the fans.
6. Lift the two front tabs and rotate the backplane assembly/backplane toward the rear of the server to remove the backplane assembly/backplane, as shown in Figure 1.
   Figure 1. The 2145-DH8 disk drive backplane

   
7. Disconnect all cables from the hard disk drive backplane.
8. If you are instructed to return the hard disk drive backplane assembly/backplane, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.