Replacing The Entire Engine; Installing And Replacing Raid Storage Controller Components; Handling Static-Sensitive Devices; Working With Hot-Swap Drives - IBM TotalStorage 300 Service Manual

1. Align the trim bezel with the front of the engine.
2. Press inward on the top sides of the bezel and press the bezel toward the
To complete the installation:
If you disconnected any cables from the back of the engine, reconnect the cables;
then, plug the power cords into properly grounded electrical outlets.

Replacing the entire engine

Replacing a rack-mounted engine is similar to replacing a Fibre Channel hub. See
"Working with the Fibre Channel hub" on page 110 for the steps to replace a
rack-mounted IBM NAS 300 component.

Installing and replacing RAID storage controller components

This section provides instructions to help you install or remove CRUs, such as
hot-swap disk drives, fans, RAID controllers, and power supplies.

Handling static-sensitive devices

Attention:
avoid damage, keep static sensitive devices in their static protective bag until you
are ready to install them.
To reduce the possibility of electrostatic discharge (ESD) when you handle options
and storage server components, observe the following precautions:
v Limit your movement. Movement can cause static electricity to build up around
v Handle the device carefully, holding it by its edges or its frame.
v Do not touch solder joints, pins, or exposed printed circuitry.
v Do not leave the device where others can handle and possibly damage the
v While the device is still in its anti-static package, touch it to an unpainted metal
v Remove the device from its package and install it directly into your storage
v Take additional care when handling devices during cold weather as heating

Working with hot-swap drives

Drives are devices that the system uses to store and retrieve data. This section
explains how you can replace a defective drive.
engine until it clicks into place.
Static electricity can damage storage server components or options. To
you.
device.
part of the storage server for at least two seconds. (This drains static electricity
from the package and from your body.)
server without setting it down. If it is necessary to set the device down, place it
on its static-protective package. Do not place the device on your storage server
cover or any metal surface.
reduces indoor humidity and increases static electricity.
Chapter 5. Installing and replacing IBM NAS 300 components
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