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HP 4400 Replacement Instructions

Controller enclosure battery.
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HP Controller Enclosure Battery
© Copyright 2009 Hewlett-Packard Development Company, L.P.
Second edition: May 2011
The information in this document is subject to change without notice.
Printed in Puerto Rico
www.hp.com
*593090-001*
For the latest documentation, go to
manuals, and select your product.
The information contained herein is subject to change without notice.
The only warranties for HP products and services are set forth in the
express warranty statements accompanying such products and services.
Nothing herein should be construed as constituting an additional
warranty. HP shall not be liable for technical or editorial errors or
omissions contained herein.
WARRANTY STATEMENT:
To obtain a copy of the warranty for this product, see the warranty
information website:
http://www.hp.com/go/storagewarranty
Observe the following precautions when replacing the battery module.
CAUTION:
Removing a battery module significantly changes the air flow
within the enclosure. Both modules must be installed for the
enclosure to cool properly. If a single battery module fails, leave
it in place in the enclosure until a new module is available to
install.
Port-colored (purple) handles on components like the battery module
means the component is hot-swappable. The battery can be removed
and replaced without having to power the system down.
There are two battery modules under the bezel on the front of the
controller enclosure. See
provides power to the controller directly across from it in the enclos-
ure. Battery 1 (B1) provides power to controller 2 (C2) and battery
2 (B2) provides power to controller 1 (C1).
Your controller enclosure model may vary slightly from what is illus-
trated in this document.
Page 1
http://www.hp.com/support/
Figure 1
for the locations. Each battery

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   Summary of Contents for HP 4400

  • Page 1: Replacement Instructions, About This Document, Before You Begin

    Port-colored (purple) handles on components like the battery module © Copyright 2009 Hewlett-Packard Development Company, L.P. means the component is hot-swappable. The battery can be removed and replaced without having to power the system down.

  • Page 2: Verifying Component Failure

    Verify the correct battery module to replace. Battery 1 powers controller 2 and battery 2 powers controller 1. NOTE: If the battery amber LED is lit solid, the LUNs owned by the controller with the faulted battery have already failed over to the other controller. If the battery amber LED is blinking, the LUNs may or may not have failed over to the other controller, and if not, will fail over 1.

This manual also for:

P6000

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