HP StorageWorks ExDS9100c/X9720 Storage System Controller Cache Module (448023-003, December 2009)
HP StorageWorks
ExDS9100c/X9720 Storage
System Controller Cache Module
Customer Self Repair Instructions
© Copyright 2009 Hewlett-Packard Development Company, L.P.
Second edition: November 2009
The information in this document is subject to change without notice.
Printed in Singapore.
www.hp.com
*448023-003*
Customer self repair (CSR)
The following information is included in all CSR documents:
• Before you begin—Component-specific precautions or notices. Be
sure to read and observe these statements.
• Verifying component failure—Before replacing a component, confer
with HP technical support to verify that the hardware component has
failed and that you are authorized to replace it. Verification proced-
ures may include:
• Viewing LED illumination patterns on the enclosure and the com-
ponent.
• Viewing system event logs or other reports generated by systems
management tools.
• Removing the failed component—Procedural steps to properly remove
the component, including illustrations.
• Installing the replacement component—Procedural steps to properly
install the component, including illustrations.
• Verifying component status — After replacing the component, verify
that the replacement component is operating properly. Verification
procedures may include:
• Viewing LED illumination patterns on the enclosure and the com-
ponent.
• Viewing system event logs or other reports generated by systems
management tools.
Before you begin
CAUTION:
When handling system components, there is a danger to
equipment from electrostatic discharge (ESD). Use proper
anti-static protection at all times:
• Keep the replacement component in the ESD bag until needed.
• Wear an ESD wrist strap grounded to an unpainted surface
of the chassis.
• If an ESD wrist strap is unavailable, touch an unpainted surface
of the chassis before handling the component.
• Never touch connector pins.
CAUTION:
Be sure the replacement is available before removing the failed
component. Removing a component impacts airflow and cooling
within the enclosure.
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Verifying component failure
Check for an error message on the seven-segment display.
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