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 xvii.
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 System Storage DS5000 Problem Determination Guide may 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
DCS3700 storage system or DCS3700 expansion enclosure. The following table 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 the following table, 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 this table for a FRU
replacement decision.
© Copyright IBM Corp. 2011 129
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