Purpose of this information: This information describes how to use the DFSMSdss component of DFSMS to perform various storage management tasks. It also includes assistance for diagnosing DFSMSdss problems.

Before you begin diagnostic procedures, follow these steps to verify that the problem is not the result of incorrect command usage:

1. Verify that all of the parameters specified for each command are used correctly.
2. Correct any errors you might find and resubmit the JCL
3. Build a set of keywords that describes the error and, if all parameters appear to be correctly specified, contact IBM® for assistance.

Who should read this information: This information is intended for storage administrators and system programmers.