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 xxiv.
General checkout
Use the indicator lights, the diagnostics and test information, the symptom-to-FRU
index, and the connected server Problem Determination and Service Guide to
diagnose problems.
The Recovery Guru of the IBM System Storage DS Storage Manager client
program also provides 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 22 on page 158 contains the problem
symptoms and error messages, along with suggested actions to take to resolve
problems.
Always use the DS Storage Manager client to diagnose storage subsystem
problems and component failures and find solutions to problems that have definite
symptoms.
You can use Table 22 on page 158, which contains the problem symptoms and
error messages, along with suggested actions as a guide for troubleshooting
problems in addition to the DS Storage Manager Recovery Guru in the Subsystem
Management window. Do not depend solely on Table 22 on page 158 for a FRU
replacement decision.
© Copyright IBM Corp. 2009, 2012 157
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