Bbu Replacement Procedure - NEC BBU User Manual

3. BBU Replacement Procedure

Replace the BBU as described in the following procedure:
The procedure described here is the replacement of the BBU in the Internal
SAS HDD Disk Array Controller.
It is similar to the replacement of the BBU in the External SAS HDD Disk
Check Array Controller.
1.
Fill in the year and month of replacement on the Setup Date label that comes with the new BBU,
and stick the label on the BBU surface. (See Section 1-2 for details.). Remove any existing Setup
Date label, or make sure to stick the latest on top of the others.
2.
Exit from all applications and shut down the OS.
3.
Power off the server and remove all the power cords connected to the power unit from the
receptacles.
4.
Remove the side cover as described in the server User Guide.
5.
Disconnect all the cables from the disk array controller.
6.
Remove the disk array controller from the server.
7.
Open the lever of the disk array controller to release the BBU.
8.
Remove the BBU.
9.
Insert the new BBU into the slot.
Fill the year and month.
2005 12
Example) Y . M
23