P r e f a c e
Preface
What is in this guide
This guide gives you
Who should use this guide
This guide assumes that you have a working knowledge of the Fibre Channel Arbitrated Loop
NOTE : Not all information contained in the following sections will pertain directly to your particular product model.
Getting information, help, and service
If you need help, service, or technical assistance or just want more information about IBM products, you will find a wide variety of sources available from IBM to assist you. This section contains information about where to go for additional information about IBM and IBM products, what to do if you experience a problem with your IBM System Storage DCS9550 product, and whom to call for service, if it is necessary.
Support information
For online support information for your IBM System Storage DCS9550 product, visit the following Web site:
www.ibm.com/support
For telephone support information, in the United States, contact IBM at
In other countries, visit the following Web site for support telephone numbers:
www.ibm.com/planetwide/
Before you call
Before you call, make sure that you have taken these steps to try to solve the problem yourself:
•Check all cables on your hardware to make sure that they are connected properly.
•Check the power switches to make sure that the system is turned on.
•Use the troubleshooting information in your system documentation and use the diagnostic tools that come with your system.
Using the documentation
Information about the DCS9550 product is available on a documentation CD that comes with your product. You can also access documents using the IBM Publications Center:
http://www.ibm.com/shop/publications/order
IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide | i |