HP 70 Replacement Instructions

MSA7X Series Enclosure
Backplane replacement
instructions
For updates, visit the HP website:
http://www.hp.com/support/manuals.
© Copyright 2007 Hewlett-Packard Development Company, L.P.
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.
Part number: 436513-001
First edition: 02/2007
*436513-001*
About this document
This document details procedures for replacing a failed
backplane in an MSA7X Series Enclosure.

Before you begin

CAUTION: Before removing the failed component, make sure
that you have the replacement part available. Removing a
component impacts the airflow and cooling ability of the
device.
To prevent improper cooling and thermal damage, do not
operate the storage enclosure unless all bays are populated
with either a component or a blank.
Do not remove more than one component or blank from the
enclosure at a time. Doing so impacts the airflow and cooling
ability of the device. To avoid possible overheating, insert the
new or replacement component as quickly as possible. If the
internal temperature exceeds acceptable limits, the enclosure
may overheat and automatically shut down or restart.
Parts can be damaged by electrostatic discharge. Use proper
anti-static protection.
Verifying component failure
Before replacing the midplane, use the following methods to
verify component failure:
• Check the following component status LEDs as identified in
the following tables:
Hard drives—test with known good hard drives.
•
I/O module—test with known good I/O module.
•
Fan module—test with known good fan module.
•
Check the host log for errors.
•
Hard drive LED combinations
Online/activity LED Fault/UID LED
(green) (amber/blue)
On, off, or flashing Alternating amber
and blue
On, off, or flashing Steadily blue
On Amber, flashing
regularly (1 Hz)
On Off
Interpretation
The drive has failed, or
a predictive failure
alert has been received
for this drive; it also
has been selected by a
management
application.
The drive is operating
normally, and it has
been selected by a
management
application.
A predictive failure
alert has been received
for this drive.
Replace the drive as
soon as possible.
The drive is online, but
it is not currently active.