IBM DS4700 manual Hardware maintenance, General checkout, Solving problems

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 xxvi.

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 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 51 on page 184 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 51 on page 184, 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 51 on page 184 for a FRU replacement decision.

See the problem determination maps in the DS4000 Problem Determination Guide for more detailed procedures for problem isolation.

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