Flash Backup Unit For Raid Controller; Handling Precautions; Installing Fbu - NEC Express5800 Series User Manual

Chapter 2 Preparations
1.10

Flash Backup Unit for RAID Controller

If a RAID controller (N8103-176/177/178/179) is installed with a Flash Backup Unit (FBU), you can avoid data
loss caused by accidents including temporary blackout during Write Back operation. The model of the FBU to be
used depends on RAID controller.

For N8103-176/177/178, use N8103-181

For N8103-179, use N8103-179 accessories Flash Backup Unit (FBU)

1.10.1 Handling precautions

Observe the followings when using FBU. Ignoring these precautions may cause damage to your data or other
devices.

Use the FBU dedicated to the RAID controller you are using.

The FBU is a very delicate electronic device. Before installation, touch the metal frame part of the server to
discharge the static electricity from your body.

Do not drop or bump the FBU.

For recycling and disposing of the FBU, refer to the User's Guide that comes with it.

The order in which FBU is installed on this server is as follows.
(Top side of main unit) #1 → #2 → #3 → #4 (bottom side of main unit)

1.10.2 Installing FBU

This section describes the procedure of installing an FBU for RAID controller (N8103-176/177/178/179).
1. See steps 1 to 5 in Chapter 2 (1.3 Overview of Installation and Removal) for preparations.
2. If no RAID Controller is installed, install a RAID Controller in PCI slot, and connect SAS/SATA cable
according to Chapter 2 (1.16 Use of Internal hard disk drives in the RAID System).
3. Remove one screw and remove battery tray for RAID controller.
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Express5800/T120g User's Guide
1. Installing Internal Optional Devices