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Chapter 6. Hardware maintenance
This chapter contains information to help you solve some of the simpler problems
that you might have with your storage subsystem. It contains the problem indicators
and error messages along with suggested actions to take to resolve the problem.
For instructions on how to obtain service and technical assistance for your storage
subsystem and other IBM products, see "Getting information, help, and service" on
page xxi.
General checkout
Use the indicator lights, the diagnostics and test information, the symptom-to-FRU
index, and the connected server HMM to diagnose problems.
The PD maps found in the IBM TotalStorage DS4000 Problem Determination Guide
provide you with additional diagnostic aids.
Solving problems
This section contains information to help you solve some of the problems you might
have with your storage subsystem. Table 33 on page 136 contains the problem
symptoms and error messages, along with suggested actions to take to resolve
problems.
Always use the DS4000 Storage Manager client to diagnose storage subsystem
problems and component failures and find solutions to problems that have definite
symptoms.
You can use Table 33 on page 136, which contains the problem symptoms and
error messages, along with suggested actions as a guide for troubleshooting
problems in addition to the DS4000 Storage Manager Recovery Guru in the
Subsystem Management window. Do not depend solely Table 33 on page 136 for a
FRU replacement decision.
See the problem determination maps in the DS4000 Problem Determination Guide
for more detailed procedures for problem isolation.
© Copyright IBM Corp. 2006
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