Replace Controller In Duplex Configuration; Prepare To Replace Controller (Duplex) - Fujitsu ETERNUS AB Series Maintaining Hardware

• You must have installed SANtricity System Manager on a management station, so you can use the storage
array's command line interface (CLI).
If this software has not yet been installed, follow the instructions in the
Windows express
Duplex configuration
For a controller shelf with two controllers (duplex configuration), you can replace a controller canister while
your storage array is powered on and performing host I/O operations, as long as the following conditions are
true:
• The second controller canister in the shelf has Optimal status.
• The OK to remove field in the Details area of the Recovery Guru in SANtricity System Manager displays Yes,
indicating that it is safe to remove this component.

Replace controller in duplex configuration

You can replace a controller canister in a duplex configuration, which is a two-controller module configuration
within the storage array. Each controller canister contains a controller card, a battery, and an optional host
interface card (HIC). When you replace a controller canister, you must remove the battery and HIC, if one is
installed, from the original controller canister, and install them in the replacement controller canister.
Related concepts
Controller overview on page 14
Requirements for replacing a controller

Prepare to replace controller (duplex)

You prepare to replace a controller canister by verifying that the replacement controller canister has the
correct FRU part number, backing up the configuration, and collecting support data. If the controller is still
online, you must take it offline.
About this task
This task describes how to prepare to replace a controller canister in the duplex version (two controllers) for
the following controller shelves:
• HB5100 controller shelf
• HB5200 controller shelf
Perform this task only if your storage array has two controllers (duplex configuration).
Procedure
1. Unpack the new controller canister, and set it on a flat, static-free surface.
Save the packing materials to use when shipping the failed controller canister.
2. Locate the MAC address and FRU part number labels on the back of the controller canister.
configuration, or VMware express configuration
on page 14
Linux express configuration,
to download and install it.
| Controllers |
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